./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9 --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 75ff820dd36f20c64c375216ffd4b303053bda30295697fb4d1080aa6a2532fe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:44:20,762 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:44:20,843 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:44:20,847 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:44:20,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:44:20,869 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:44:20,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:44:20,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:44:20,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:44:20,872 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:44:20,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:44:20,873 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:44:20,873 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:44:20,874 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:44:20,874 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:44:20,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:44:20,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:44:20,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:44:20,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:44:20,876 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:44:20,877 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:44:20,881 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:44:20,881 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:44:20,882 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:44:20,882 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:44:20,883 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:44:20,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:44:20,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:44:20,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:44:20,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:44:20,885 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:44:20,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:44:20,885 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:44:20,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75ff820dd36f20c64c375216ffd4b303053bda30295697fb4d1080aa6a2532fe [2023-12-03 01:44:21,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:44:21,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:44:21,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:44:21,155 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:44:21,155 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:44:21,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i [2023-12-03 01:44:23,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:44:24,246 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:44:24,247 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i [2023-12-03 01:44:24,274 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/data/66ec15891/e62004df0a014642a29be7987bbb1b98/FLAGc097a4240 [2023-12-03 01:44:24,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/data/66ec15891/e62004df0a014642a29be7987bbb1b98 [2023-12-03 01:44:24,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:44:24,293 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:44:24,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:44:24,294 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:44:24,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:44:24,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:24" (1/1) ... [2023-12-03 01:44:24,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fb65d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:24, skipping insertion in model container [2023-12-03 01:44:24,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:24" (1/1) ... [2023-12-03 01:44:24,406 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:44:25,228 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i[71411,71424] [2023-12-03 01:44:25,432 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoops(CHandler.java:3572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:225) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 01:44:25,437 INFO L158 Benchmark]: Toolchain (without parser) took 1143.03ms. Allocated memory is still 167.8MB. Free memory was 136.3MB in the beginning and 108.3MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-03 01:44:25,437 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory was 88.8MB in the beginning and 88.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:44:25,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1140.75ms. Allocated memory is still 167.8MB. Free memory was 136.3MB in the beginning and 108.3MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-03 01:44:25,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 115.3MB. Free memory was 88.8MB in the beginning and 88.6MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1140.75ms. Allocated memory is still 167.8MB. Free memory was 136.3MB in the beginning and 108.3MB in the end (delta: 28.0MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9 --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 75ff820dd36f20c64c375216ffd4b303053bda30295697fb4d1080aa6a2532fe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:44:27,216 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:44:27,290 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 01:44:27,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:44:27,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:44:27,322 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:44:27,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:44:27,324 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:44:27,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:44:27,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:44:27,325 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:44:27,326 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:44:27,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:44:27,327 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:44:27,327 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:44:27,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:44:27,328 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 01:44:27,329 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 01:44:27,329 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 01:44:27,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:44:27,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:44:27,331 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:44:27,331 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:44:27,332 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:44:27,332 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:44:27,333 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:44:27,333 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 01:44:27,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:44:27,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:44:27,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:44:27,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:44:27,336 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:44:27,336 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 01:44:27,336 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 01:44:27,337 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:44:27,337 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 01:44:27,337 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 01:44:27,338 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75ff820dd36f20c64c375216ffd4b303053bda30295697fb4d1080aa6a2532fe [2023-12-03 01:44:27,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:44:27,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:44:27,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:44:27,643 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:44:27,643 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:44:27,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i [2023-12-03 01:44:30,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:44:30,735 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:44:30,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i [2023-12-03 01:44:30,764 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/data/a434cf6b5/f4988072f170444dac3c5517a35223bc/FLAG19e21c821 [2023-12-03 01:44:30,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/data/a434cf6b5/f4988072f170444dac3c5517a35223bc [2023-12-03 01:44:30,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:44:30,783 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:44:30,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:44:30,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:44:30,790 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:44:30,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:30" (1/1) ... [2023-12-03 01:44:30,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@828c83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:30, skipping insertion in model container [2023-12-03 01:44:30,792 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:44:30" (1/1) ... [2023-12-03 01:44:30,861 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:44:31,784 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i[71411,71424] [2023-12-03 01:44:32,120 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:44:32,134 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 01:44:32,158 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:44:32,195 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i[71411,71424] [2023-12-03 01:44:32,288 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:44:32,294 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:44:32,335 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_0_unsafe.c-amalgamation.i[71411,71424] [2023-12-03 01:44:32,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:44:32,703 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:44:32,703 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:44:32,704 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:44:32,704 WARN L675 CHandler]: The function recurrent_activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:44:32,704 WARN L675 CHandler]: The function output_activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:44:32,711 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:44:32,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:32 WrapperNode [2023-12-03 01:44:32,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:44:32,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:44:32,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:44:32,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:44:32,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:32" (1/1) ... [2023-12-03 01:44:32,779 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:32" (1/1) ... [2023-12-03 01:44:32,829 INFO L138 Inliner]: procedures = 779, calls = 757, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 393 [2023-12-03 01:44:32,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:44:32,830 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:44:32,830 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:44:32,830 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:44:32,839 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:32" (1/1) ... [2023-12-03 01:44:32,840 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:32" (1/1) ... [2023-12-03 01:44:32,848 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:32" (1/1) ... [2023-12-03 01:44:32,848 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:32" (1/1) ... [2023-12-03 01:44:32,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:32" (1/1) ... [2023-12-03 01:44:32,885 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:32" (1/1) ... [2023-12-03 01:44:32,891 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:32" (1/1) ... [2023-12-03 01:44:32,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:32" (1/1) ... [2023-12-03 01:44:32,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:44:32,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:44:32,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:44:32,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:44:32,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:44:32" (1/1) ... [2023-12-03 01:44:32,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:44:32,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:44:32,938 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:44:32,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:44:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 01:44:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2023-12-03 01:44:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2023-12-03 01:44:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:44:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 01:44:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:44:32,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:44:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 01:44:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 01:44:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:44:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 01:44:32,979 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2023-12-03 01:44:32,979 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2023-12-03 01:44:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 01:44:32,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 01:44:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:44:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 01:44:32,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 01:44:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 01:44:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2023-12-03 01:44:32,981 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2023-12-03 01:44:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 01:44:32,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 01:44:32,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 01:44:33,167 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:44:33,169 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:44:47,418 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:44:47,793 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:44:47,794 INFO L309 CfgBuilder]: Removed 20 assume(true) statements. [2023-12-03 01:44:47,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:47 BoogieIcfgContainer [2023-12-03 01:44:47,795 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:44:47,796 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:44:47,796 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:44:47,806 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:44:47,806 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:44:47" (1/1) ... [2023-12-03 01:44:47,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:44:47,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:47,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2023-12-03 01:44:47,874 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2023-12-03 01:44:47,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:44:47,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:47,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:44:47,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:44:47,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:44:47,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 01:44:48,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:44:48,612 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:44:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:44:49,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:44:49,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:44:49,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:44:49,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 01:44:52,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:44:52,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:44:52,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 109 transitions. [2023-12-03 01:44:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2023-12-03 01:44:52,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:44:52,713 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:44:52,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:44:52,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:44:52,714 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:44:52,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 01:45:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:45:48,538 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:45:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:45:49,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-03 01:45:49,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:45:49,154 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-12-03 01:45:49,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 28 [2023-12-03 01:45:49,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:45:49,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 01:45:53,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:46:04,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:46:05,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:05,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 122 transitions. [2023-12-03 01:46:05,349 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 122 transitions. [2023-12-03 01:46:05,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 01:46:05,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:05,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:46:05,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:46:05,352 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:46:05,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 01:47:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:00,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:47:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:01,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 01:47:01,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:01,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 01:47:01,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 36 [2023-12-03 01:47:01,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-12-03 01:47:01,508 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 01:47:01,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 132 treesize of output 44 [2023-12-03 01:47:01,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:47:01,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 01:47:06,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:47:17,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:47:19,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:19,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 82 states and 135 transitions. [2023-12-03 01:47:19,741 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2023-12-03 01:47:19,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:47:19,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:19,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:47:19,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:47:19,745 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:47:19,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 01:47:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:20,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:47:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:20,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:47:20,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:20,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:47:20,707 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 01:47:20,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-12-03 01:47:20,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:20,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 83 states and 136 transitions. [2023-12-03 01:47:20,816 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2023-12-03 01:47:20,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:47:20,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:20,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:47:20,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:47:20,818 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:47:20,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 01:47:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:21,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:47:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:21,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:47:21,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:22,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:47:22,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 01:47:27,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:47:38,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:47:44,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:44,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 88 states and 153 transitions. [2023-12-03 01:47:44,321 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 153 transitions. [2023-12-03 01:47:44,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:47:44,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:44,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:47:44,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:47:44,324 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:47:44,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 01:47:44,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:44,946 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:47:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:45,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:47:45,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:45,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:47:45,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 01:47:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:48,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 89 states and 156 transitions. [2023-12-03 01:47:48,164 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 156 transitions. [2023-12-03 01:47:48,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:47:48,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:48,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:47:48,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:47:48,167 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:47:48,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 01:47:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:48,754 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:47:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:49,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:47:49,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:49,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:47:49,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 01:47:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 158 transitions. [2023-12-03 01:47:50,493 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 158 transitions. [2023-12-03 01:47:50,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:47:50,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:50,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:47:50,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:47:50,496 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:47:50,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 01:47:51,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:51,167 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:47:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:51,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:47:51,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:51,976 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 01:47:51,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 01:47:55,036 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:47:57,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:57,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 93 states and 168 transitions. [2023-12-03 01:47:57,836 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 168 transitions. [2023-12-03 01:47:57,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 01:47:57,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:57,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:47:57,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:47:57,840 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:47:57,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 01:47:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:58,515 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:47:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:47:58,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 01:47:58,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:47:58,924 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 01:47:58,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 01:47:59,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:47:59,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 95 states and 176 transitions. [2023-12-03 01:47:59,922 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 176 transitions. [2023-12-03 01:47:59,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:47:59,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:47:59,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:47:59,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:47:59,925 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:47:59,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 01:48:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:00,633 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:48:00,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:01,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:48:01,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:48:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:48:01,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 01:48:01,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:48:01,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 100 states and 184 transitions. [2023-12-03 01:48:01,967 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 184 transitions. [2023-12-03 01:48:01,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:48:01,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:48:01,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:48:01,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:48:01,970 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:48:01,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 01:48:02,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:02,717 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:48:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:03,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:48:03,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:48:03,161 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 01:48:03,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 01:48:03,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:48:03,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 93 states and 162 transitions. [2023-12-03 01:48:03,713 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 162 transitions. [2023-12-03 01:48:03,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 01:48:03,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:48:03,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:48:03,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:48:03,715 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:48:03,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 01:48:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:04,535 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:48:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:04,954 INFO L262 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:48:04,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:48:06,669 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:48:06,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 01:48:08,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:48:08,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 95 states and 167 transitions. [2023-12-03 01:48:08,679 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 167 transitions. [2023-12-03 01:48:08,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:48:08,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:48:08,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:48:08,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:48:08,681 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:48:08,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 01:48:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:09,448 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:48:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:09,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 01:48:09,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:48:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 01:48:09,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 01:48:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:48:13,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 101 states and 178 transitions. [2023-12-03 01:48:13,486 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 178 transitions. [2023-12-03 01:48:13,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 01:48:13,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:48:13,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:48:13,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:48:13,488 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:48:13,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 01:48:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:14,340 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:48:14,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:14,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 01:48:14,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:48:14,808 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 01:48:14,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 01:48:14,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:48:14,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 101 states and 177 transitions. [2023-12-03 01:48:14,864 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 177 transitions. [2023-12-03 01:48:14,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:48:14,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:48:14,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:48:14,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:48:14,866 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:48:14,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 01:48:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:18,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:48:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:48:18,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:48:18,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:48:21,694 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:48:21,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 01:48:27,660 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 01:48:41,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:48:52,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:49:08,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:08,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 112 states and 215 transitions. [2023-12-03 01:49:08,137 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 215 transitions. [2023-12-03 01:49:08,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:49:08,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:08,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:08,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:08,139 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:08,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 01:49:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:11,688 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:12,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:49:12,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:12,309 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:49:12,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 01:49:25,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 01:49:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:28,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:49:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:49:28,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:49:28,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:28,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:28,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:28,495 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:28,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 01:49:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:32,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:32,632 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:49:32,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:32,761 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:49:32,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 01:49:32,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:32,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:49:32,798 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:49:32,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:49:32,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:32,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:32,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:32,800 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:32,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 01:49:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:36,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:36,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:49:36,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:37,109 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:49:37,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2023-12-03 01:49:37,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:37,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:49:37,149 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:49:37,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:49:37,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:37,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:37,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:37,151 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:37,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 01:49:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:40,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:41,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:41,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:49:41,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:41,376 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:49:41,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 01:49:41,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:41,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:49:41,426 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:49:41,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:49:41,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:41,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:41,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:41,428 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:41,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 01:49:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:45,138 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:45,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:45,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:49:45,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:45,779 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:49:45,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2023-12-03 01:49:45,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:45,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:49:45,825 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:49:45,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:49:45,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:45,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:45,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:45,828 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:45,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 01:49:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:49,746 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:50,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:49:50,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:50,513 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:49:50,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 01:49:50,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:50,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:49:50,575 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:49:50,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:49:50,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:50,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:50,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:50,578 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:50,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 01:49:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:54,789 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:55,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:49:55,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:49:55,471 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:49:55,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 01:49:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:49:55,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:49:55,518 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:49:55,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:49:55,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:49:55,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:49:55,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:49:55,520 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:49:55,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 01:49:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:59,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:49:59,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:49:59,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:49:59,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:00,068 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:50:00,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 01:50:00,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:00,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:50:00,122 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:50:00,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:50:00,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:00,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:00,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:00,124 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:00,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 01:50:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:03,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:04,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:04,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:50:04,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:04,331 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:50:04,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 01:50:04,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:04,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:50:04,371 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:50:04,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:50:04,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:04,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:04,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:04,373 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:04,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 01:50:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:08,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:08,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:08,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:50:08,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:08,690 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:50:08,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 01:50:08,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:08,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:50:08,743 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:50:08,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:50:08,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:08,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:08,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:08,745 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:08,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 01:50:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:12,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:12,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:50:12,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:12,999 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:50:13,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 01:50:13,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:13,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:50:13,040 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:50:13,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:50:13,041 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:13,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:13,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:13,042 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:13,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 01:50:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:16,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:17,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:17,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:50:17,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:17,312 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:50:17,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 01:50:17,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:17,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:50:17,352 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:50:17,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:50:17,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:17,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:17,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:17,354 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:17,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 01:50:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:21,012 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:21,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:50:21,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:21,621 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:50:21,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 01:50:21,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:21,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:50:21,664 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:50:21,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:50:21,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:21,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:21,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:21,666 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:21,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 01:50:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:25,414 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:25,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:50:25,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:26,022 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:50:26,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 01:50:26,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:26,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:50:26,071 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:50:26,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:50:26,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:26,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:26,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:26,073 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:26,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 01:50:29,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:29,838 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:30,301 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:50:30,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:30,441 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:50:30,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 01:50:30,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:30,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:50:30,493 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:50:30,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:50:30,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:30,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:30,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:30,495 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:30,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 01:50:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:34,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:34,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:50:34,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:50:34,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 01:50:34,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:34,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:50:34,970 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:50:34,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:50:34,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:34,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:34,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:34,972 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:34,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 01:50:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:38,799 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:39,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:50:39,249 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:39,394 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:50:39,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-03 01:50:39,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:39,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:50:39,450 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:50:39,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:50:39,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:39,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:39,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:39,452 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:39,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 01:50:43,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:43,358 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:43,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:50:43,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:43,929 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:50:43,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 01:50:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:43,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:50:43,984 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:50:43,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:50:43,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:43,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:43,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:43,985 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:43,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 01:50:47,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:47,870 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:48,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:48,338 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:50:48,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:48,475 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:50:48,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2023-12-03 01:50:48,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:48,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:50:48,519 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:50:48,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:50:48,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:48,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:48,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:48,521 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:48,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 01:50:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:52,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:53,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:50:53,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:53,188 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:50:53,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 01:50:53,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:53,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:50:53,235 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:50:53,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:50:53,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:53,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:53,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:53,237 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:53,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 01:50:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:57,206 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:50:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:50:57,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:50:57,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:50:57,808 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:50:57,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 01:50:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:50:57,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:50:57,866 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:50:57,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:50:57,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:50:57,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:50:57,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:50:57,867 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:50:57,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 01:51:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:01,871 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:02,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:51:02,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:02,503 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:51:02,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 01:51:02,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:02,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:51:02,549 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:51:02,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:51:02,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:02,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:02,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:02,553 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:02,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 01:51:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:06,555 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:07,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:07,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:51:07,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:07,212 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:51:07,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 01:51:07,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:07,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:51:07,262 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:51:07,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:51:07,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:07,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:07,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:07,263 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:07,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 01:51:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:11,204 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:11,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:51:11,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:51:11,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 01:51:11,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:11,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:51:11,836 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:51:11,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:51:11,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:11,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:11,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:11,838 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:11,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 01:51:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:15,972 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:16,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:51:16,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:51:16,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 01:51:16,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:16,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:51:16,643 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:51:16,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:51:16,643 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:16,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:16,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:16,645 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:16,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 01:51:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:20,605 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:21,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:51:21,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:21,200 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:51:21,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 01:51:21,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:21,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:51:21,258 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:51:21,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:51:21,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:21,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:21,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:21,259 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:21,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 01:51:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:25,139 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:25,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:51:25,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:25,748 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:51:25,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 01:51:25,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:25,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:51:25,798 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:51:25,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:51:25,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:25,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:25,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:25,800 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:25,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 01:51:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:29,769 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:30,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:51:30,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:30,363 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:51:30,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 01:51:30,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:30,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:51:30,420 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:51:30,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:51:30,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:30,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:30,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:30,422 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:30,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 01:51:34,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:34,576 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:34,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:35,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:51:35,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:35,161 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:51:35,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2023-12-03 01:51:35,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:35,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:51:35,211 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:51:35,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:51:35,212 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:35,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:35,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:35,213 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:35,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 01:51:39,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:39,369 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:39,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:51:39,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:39,971 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:51:39,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 01:51:40,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:40,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:51:40,022 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:51:40,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:51:40,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:40,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:40,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:40,023 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:40,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 01:51:44,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:44,218 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:44,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:44,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:51:44,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:51:44,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 01:51:44,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:44,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:51:44,896 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:51:44,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:51:44,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:44,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:44,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:44,898 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:44,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 01:51:49,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:49,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:49,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:51:49,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:49,657 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:51:49,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 01:51:49,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:49,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:51:49,708 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:51:49,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:51:49,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:49,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:49,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:49,709 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:49,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 01:51:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:54,014 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:54,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:51:54,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:54,618 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:51:54,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 01:51:54,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:54,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:51:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:51:54,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:51:54,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:54,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:54,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:54,674 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:54,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 01:51:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:58,768 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:51:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:51:59,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:51:59,224 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:51:59,361 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:51:59,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 01:51:59,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:51:59,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:51:59,413 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:51:59,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:51:59,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:51:59,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:51:59,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:51:59,415 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:51:59,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 01:52:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:03,605 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:04,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:04,089 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:04,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:04,228 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:52:04,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 01:52:04,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:04,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:52:04,286 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:52:04,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:52:04,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:04,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:04,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:04,287 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:04,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 01:52:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:08,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:08,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:08,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:09,138 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:52:09,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 01:52:09,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:09,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:52:09,191 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:52:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:52:09,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:09,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:09,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:09,193 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:09,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 01:52:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:13,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:13,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:13,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:14,084 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:52:14,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 01:52:14,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:14,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:52:14,144 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:52:14,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:52:14,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:14,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:14,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:14,146 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:14,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 01:52:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:18,458 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:18,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:18,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:52:19,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 01:52:19,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:19,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:52:19,143 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:52:19,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:52:19,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:19,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:19,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:19,144 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:19,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 01:52:23,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:23,467 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:23,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:23,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:23,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:24,056 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:52:24,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 01:52:24,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:24,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:52:24,114 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:52:24,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:52:24,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:24,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:24,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:24,116 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:24,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 01:52:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:28,576 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:29,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:29,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:29,187 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:52:29,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2023-12-03 01:52:29,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:29,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:52:29,253 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:52:29,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:52:29,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:29,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:29,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:29,254 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:29,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 01:52:33,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:33,269 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:33,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:33,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:33,860 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:52:33,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 01:52:33,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:33,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:52:33,917 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:52:33,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:52:33,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:33,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:33,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:33,918 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:33,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 01:52:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:38,567 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:39,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:39,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:39,210 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:52:39,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 01:52:39,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:39,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:52:39,270 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:52:39,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:52:39,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:39,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:39,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:39,271 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:39,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 01:52:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:43,653 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:44,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:44,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:44,287 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:52:44,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 01:52:44,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:44,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:52:44,352 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:52:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:52:44,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:44,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:44,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:44,353 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:44,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 01:52:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:49,079 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:49,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:49,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:49,707 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:52:49,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 01:52:49,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:49,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:52:49,765 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:52:49,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:52:49,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:49,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:49,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:49,767 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:49,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 01:52:54,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:54,483 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:52:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:54,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:52:54,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:52:55,079 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:52:55,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 01:52:55,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:52:55,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:52:55,146 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:52:55,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:52:55,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:52:55,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:52:55,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:52:55,148 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:52:55,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 01:52:59,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:52:59,740 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:53:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:00,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:53:00,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:00,328 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:53:00,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 01:53:00,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:00,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:53:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:53:00,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:53:00,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:00,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:53:00,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:53:00,389 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:53:00,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 01:53:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:05,047 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:53:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:05,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:53:05,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:05,655 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:53:05,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 01:53:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:53:05,715 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:53:05,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:53:05,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:05,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:53:05,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:53:05,716 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:53:05,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 01:53:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:10,273 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:53:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:10,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:53:10,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:53:10,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 01:53:10,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:10,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:53:10,983 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:53:10,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:53:10,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:10,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:53:10,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:53:10,985 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:53:10,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 01:53:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:15,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:53:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:16,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:53:16,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:16,239 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:53:16,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 01:53:16,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:16,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:53:16,307 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:53:16,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:53:16,308 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:16,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:53:16,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:53:16,309 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:53:16,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 01:53:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:21,031 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:53:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:21,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:53:21,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:21,615 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:53:21,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2023-12-03 01:53:21,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:21,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:53:21,691 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:53:21,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:53:21,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:21,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:53:21,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:53:21,692 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:53:21,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 01:53:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:26,469 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:53:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:26,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:53:26,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:27,070 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:53:27,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 01:53:27,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:27,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:53:27,130 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:53:27,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:53:27,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:27,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:53:27,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:53:27,131 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:53:27,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 01:53:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:31,794 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:53:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:32,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:53:32,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:32,390 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:53:32,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 01:53:32,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:32,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:53:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:53:32,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:53:32,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:32,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:53:32,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:53:32,453 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:53:32,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 01:53:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:37,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:53:37,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:37,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:53:37,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:37,715 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:53:37,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 01:53:37,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:37,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:53:37,780 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:53:37,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:53:37,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:37,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:53:37,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:53:37,781 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:53:37,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 01:53:42,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:42,559 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:53:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:43,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:53:43,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:43,155 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:53:43,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 01:53:43,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:43,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:53:43,230 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:53:43,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:53:43,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:43,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:53:43,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:53:43,232 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:53:43,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 01:53:47,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:47,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:53:48,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:48,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:53:48,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:48,500 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:53:48,538 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2023-12-03 01:53:48,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:48,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:53:48,563 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:53:48,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:53:48,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:48,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:53:48,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:53:48,564 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:53:48,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 01:53:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:53,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:53:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:53,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:53:53,643 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:53,786 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:53:53,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 01:53:53,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:53,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:53:53,854 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:53:53,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:53:53,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:53,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:53:53,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:53:53,855 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:53:53,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 01:53:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:58,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:53:58,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:53:58,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:53:58,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:53:59,119 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:53:59,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 01:53:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:53:59,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:53:59,195 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:53:59,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:53:59,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:53:59,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:53:59,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:53:59,197 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:53:59,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 01:54:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:03,955 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:54:04,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:04,416 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:54:04,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:04,546 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:54:04,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 01:54:04,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:04,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:54:04,610 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:54:04,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:54:04,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:04,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:54:04,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:54:04,612 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:54:04,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 01:54:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:09,540 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:54:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:10,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:54:10,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:10,155 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:54:10,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 01:54:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:10,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:54:10,220 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:54:10,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:54:10,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:10,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:54:10,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:54:10,222 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:54:10,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 01:54:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:15,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:54:15,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:15,613 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:54:15,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:15,749 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:54:15,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2023-12-03 01:54:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:15,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:54:15,814 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:54:15,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:54:15,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:15,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:54:15,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:54:15,815 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:54:15,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 01:54:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:20,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:54:21,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:21,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:54:21,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:21,365 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:54:21,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 01:54:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:21,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:54:21,430 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:54:21,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:54:21,431 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:21,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:54:21,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:54:21,432 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:54:21,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 01:54:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:26,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:54:26,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:26,818 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:54:26,819 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:26,941 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:54:26,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 01:54:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:27,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:54:27,005 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:54:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:54:27,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:27,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:54:27,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:54:27,006 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:54:27,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 01:54:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:32,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:54:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:32,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:54:32,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:32,589 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:54:32,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 01:54:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:32,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:54:32,660 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:54:32,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:54:32,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:32,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:54:32,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:54:32,662 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:54:32,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 01:54:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:37,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:54:38,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:38,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:54:38,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:38,299 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:54:38,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2023-12-03 01:54:38,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:38,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:54:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:54:38,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:54:38,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:38,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:54:38,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:54:38,371 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:54:38,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 01:54:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:43,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:54:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:43,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:54:43,698 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:43,824 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:54:43,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 01:54:43,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:43,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:54:43,891 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:54:43,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:54:43,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:43,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:54:43,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:54:43,892 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:54:43,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 01:54:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:48,892 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:54:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:49,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:54:49,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:49,512 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:54:49,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 01:54:49,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:49,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:54:49,597 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:54:49,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:54:49,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:49,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:54:49,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:54:49,598 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:54:49,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 01:54:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:54,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:54:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:54,994 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:54:54,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:54:55,155 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:54:55,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2023-12-03 01:54:55,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:55,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:54:55,227 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:54:55,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:54:55,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:55,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:54:55,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:54:55,228 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:54:55,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 01:55:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:00,107 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:55:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:00,626 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:55:00,627 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:00,765 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:55:00,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 01:55:00,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:00,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:55:00,835 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:55:00,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:55:00,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:00,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:00,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:55:00,837 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:55:00,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 01:55:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:06,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:55:06,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:06,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:55:06,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:06,599 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:55:06,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 01:55:06,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:06,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:55:06,674 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:55:06,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:55:06,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:06,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:06,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:55:06,675 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:55:06,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 01:55:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:11,605 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:55:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:12,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:55:12,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:12,251 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:55:12,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 01:55:12,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:12,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:55:12,325 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:55:12,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:55:12,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:12,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:12,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:55:12,326 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:55:12,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 01:55:17,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:17,321 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:55:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:17,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:55:17,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:17,902 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:55:17,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 01:55:17,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:17,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:55:17,973 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:55:17,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:55:17,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:17,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:17,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:55:17,974 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:55:17,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 01:55:22,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:22,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:55:23,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:23,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:55:23,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:23,488 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:55:23,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2023-12-03 01:55:23,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:23,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:55:23,551 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:55:23,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:55:23,551 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:23,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:23,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:55:23,552 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:55:23,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 01:55:28,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:28,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:55:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:29,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:55:29,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:29,291 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:55:29,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 01:55:29,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:29,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:55:29,347 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:55:29,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:55:29,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:29,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:29,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:55:29,349 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:55:29,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 01:55:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:34,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:55:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:34,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:55:34,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:55:35,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 01:55:35,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:35,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:55:35,139 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:55:35,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:55:35,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:35,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:35,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:55:35,140 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:55:35,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 01:55:40,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:40,400 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:55:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:40,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:55:40,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:40,995 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:55:41,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 01:55:41,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:41,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:55:41,058 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:55:41,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:55:41,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:41,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:41,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:55:41,059 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:55:41,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 01:55:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:46,072 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:55:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:46,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:55:46,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:55:46,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 01:55:46,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:46,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:55:46,731 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:55:46,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:55:46,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:46,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:46,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:55:46,733 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:55:46,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 01:55:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:51,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:55:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:52,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:55:52,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:52,319 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:55:52,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 01:55:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:52,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:55:52,377 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:55:52,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:55:52,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:52,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:52,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:55:52,378 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:55:52,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 01:55:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:57,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:55:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:57,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:55:57,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:55:57,883 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:55:57,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 01:55:57,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:57,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:55:57,954 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:55:57,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:55:57,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:57,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:55:57,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:55:57,955 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:55:57,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 01:56:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:03,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:03,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:56:03,638 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:03,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:56:03,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 01:56:03,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:03,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:56:03,839 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:56:03,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:56:03,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:03,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:03,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:03,841 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:03,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 01:56:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:08,828 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:09,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:09,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:56:09,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:09,433 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:56:09,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 01:56:09,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:09,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:56:09,498 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:56:09,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:56:09,499 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:09,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:09,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:09,499 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:09,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 01:56:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:14,673 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:15,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:56:15,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:15,312 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:56:15,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 01:56:15,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:15,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:56:15,369 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:56:15,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:56:15,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:15,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:15,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:15,370 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:15,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 01:56:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:20,772 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:21,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:56:21,222 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:21,351 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:56:21,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 01:56:21,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:21,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:56:21,418 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:56:21,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:56:21,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:21,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:21,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:21,419 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:21,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 01:56:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:26,686 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:27,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:56:27,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:56:27,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2023-12-03 01:56:27,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:27,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:56:27,350 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:56:27,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:56:27,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:27,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:27,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:27,351 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:27,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 01:56:32,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:32,481 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:32,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:56:32,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:33,065 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:56:33,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 01:56:33,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:33,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:56:33,124 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:56:33,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:56:33,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:33,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:33,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:33,126 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:33,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 01:56:38,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:38,290 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:38,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:56:38,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:56:38,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 01:56:38,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:38,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:56:38,950 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:56:38,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:56:38,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:38,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:38,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:38,952 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:38,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 01:56:44,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:44,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:44,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:56:44,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:45,042 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:56:45,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 01:56:45,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:45,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:56:45,101 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:56:45,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:56:45,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:45,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:45,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:45,102 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:45,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 01:56:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:50,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:50,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:50,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:56:50,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:50,999 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:56:51,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 01:56:51,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:51,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:56:51,060 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:56:51,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:56:51,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:51,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:51,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:51,061 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:51,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 01:56:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:56,500 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:56:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:56,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:56:56,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:56:57,088 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:56:57,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 01:56:57,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:57,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:56:57,147 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:56:57,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:56:57,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:57,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:56:57,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:56:57,148 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:56:57,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 01:57:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:02,590 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:03,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:57:03,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:03,207 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:57:03,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2023-12-03 01:57:03,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:03,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:57:03,267 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:57:03,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:57:03,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:03,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:03,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:03,269 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:03,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 01:57:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:08,630 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:09,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:57:09,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:09,289 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:57:09,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 01:57:09,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:09,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:57:09,356 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:57:09,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:57:09,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:09,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:09,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:09,358 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:09,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 01:57:14,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:14,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:15,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:57:15,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:15,373 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:57:15,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 01:57:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:15,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:57:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:57:15,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:57:15,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:15,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:15,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:15,434 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:15,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 01:57:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:20,963 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:21,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:21,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:57:21,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:21,628 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:57:21,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2023-12-03 01:57:21,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:21,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:57:21,687 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:57:21,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:57:21,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:21,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:21,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:21,688 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:21,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 01:57:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:27,624 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:28,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:57:28,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:28,245 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:57:28,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 01:57:28,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:28,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:57:28,307 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:57:28,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:57:28,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:28,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:28,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:28,308 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:28,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 01:57:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:33,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:34,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:34,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:57:34,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:34,293 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:57:34,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 01:57:34,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:34,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:57:34,364 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:57:34,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:57:34,364 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:34,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:34,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:34,365 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:34,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 01:57:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:40,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:40,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:40,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:57:40,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:40,727 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:57:40,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 01:57:40,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:40,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:57:40,796 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:57:40,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:57:40,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:40,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:40,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:40,798 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:40,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 01:57:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:46,539 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:46,984 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:57:46,986 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:47,108 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:57:47,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 01:57:47,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:47,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:57:47,183 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:57:47,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:57:47,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:47,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:47,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:47,185 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:47,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 01:57:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:52,608 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:53,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:57:53,101 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:53,243 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:57:53,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 01:57:53,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:53,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:57:53,306 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:57:53,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:57:53,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:53,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:53,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:53,308 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:53,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 01:57:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:59,007 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:57:59,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:57:59,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:57:59,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:57:59,658 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:57:59,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 01:57:59,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:57:59,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:57:59,737 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:57:59,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:57:59,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:57:59,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:57:59,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:57:59,738 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:57:59,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 01:58:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:05,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:05,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:58:05,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:05,582 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:58:05,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 01:58:05,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:05,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:58:05,662 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:58:05,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:58:05,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:05,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:05,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:05,664 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:05,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 01:58:11,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:11,331 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:11,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:58:11,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:11,942 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:58:11,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 01:58:12,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:12,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:58:12,020 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:58:12,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:58:12,020 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:12,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:12,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:12,021 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:12,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 01:58:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:17,852 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:18,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:18,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:58:18,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:18,451 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:58:18,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 01:58:18,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:18,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:58:18,515 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:58:18,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:58:18,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:18,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:18,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:18,516 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:18,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 01:58:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:24,239 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:24,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:24,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:58:24,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:24,932 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:58:24,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 01:58:24,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:24,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:58:24,995 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:58:24,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:58:24,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:24,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:24,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:24,996 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:24,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 01:58:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:30,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:31,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:31,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:58:31,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:31,511 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:58:31,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 01:58:31,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:31,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:58:31,580 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:58:31,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:58:31,581 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:31,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:31,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:31,582 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:31,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 01:58:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:37,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:37,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:58:37,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:37,942 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:58:37,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 01:58:38,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:38,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:58:38,005 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:58:38,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:58:38,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:38,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:38,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:38,006 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:38,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 01:58:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:43,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 01:58:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:44,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:58:44,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:58:44,349 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 01:58:44,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 01:58:44,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-03 01:58:44,416 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-03 01:58:44,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 01:58:44,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:44,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 01:58:44,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 01:58:44,417 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 01:58:44,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4badc92-725a-4272-a649-22c1a5bdbdd9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process