./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/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_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/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_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/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 c2a61c21f879a9f3db979a97051f46ac62d65baebd933d88db2e2624ef339d70 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:30:44,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:30:44,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:30:44,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:30:44,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:30:44,681 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:30:44,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:30:44,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:30:44,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:30:44,684 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:30:44,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:30:44,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:30:44,686 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:30:44,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:30:44,687 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:30:44,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:30:44,688 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:30:44,688 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:30:44,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:30:44,701 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:30:44,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:30:44,702 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:30:44,703 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:30:44,703 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:30:44,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:30:44,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:30:44,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:30:44,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:30:44,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:30:44,706 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:30:44,707 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:30:44,707 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:30:44,707 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:30:44,708 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_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2a61c21f879a9f3db979a97051f46ac62d65baebd933d88db2e2624ef339d70 [2023-12-03 02:30:44,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:30:44,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:30:44,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:30:44,934 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:30:44,934 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:30:44,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i [2023-12-03 02:30:47,689 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:30:48,006 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:30:48,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i [2023-12-03 02:30:48,030 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/data/435ec0752/9cbcc3699c3b44f49bcdcce5ebdfaaa6/FLAG78150303a [2023-12-03 02:30:48,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/data/435ec0752/9cbcc3699c3b44f49bcdcce5ebdfaaa6 [2023-12-03 02:30:48,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:30:48,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:30:48,046 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:30:48,046 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:30:48,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:30:48,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:30:48" (1/1) ... [2023-12-03 02:30:48,051 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47f7f373 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:48, skipping insertion in model container [2023-12-03 02:30:48,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:30:48" (1/1) ... [2023-12-03 02:30:48,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:30:48,936 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_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i[71417,71430] [2023-12-03 02:30:49,121 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 02:30:49,126 INFO L158 Benchmark]: Toolchain (without parser) took 1079.21ms. Allocated memory is still 178.3MB. Free memory was 145.6MB in the beginning and 117.6MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 02:30:49,126 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory was 88.4MB in the beginning and 88.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:30:49,127 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1077.57ms. Allocated memory is still 178.3MB. Free memory was 144.9MB in the beginning and 117.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-03 02:30:49,129 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 121.6MB. Free memory was 88.4MB in the beginning and 88.3MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1077.57ms. Allocated memory is still 178.3MB. Free memory was 144.9MB in the beginning and 117.6MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/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_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/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_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/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 c2a61c21f879a9f3db979a97051f46ac62d65baebd933d88db2e2624ef339d70 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:30:50,844 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:30:50,912 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:30:50,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:30:50,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:30:50,944 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:30:50,945 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:30:50,945 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:30:50,946 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:30:50,946 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:30:50,947 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:30:50,948 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:30:50,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:30:50,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:30:50,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:30:50,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:30:50,950 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:30:50,951 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:30:50,952 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:30:50,952 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:30:50,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:30:50,956 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:30:50,957 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:30:50,957 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:30:50,958 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:30:50,958 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:50,959 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:30:50,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:30:50,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:30:50,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:30:50,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:30:50,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:30:50,961 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:30:50,961 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:30:50,962 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:30:50,962 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:30:50,962 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:30:50,962 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_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c2a61c21f879a9f3db979a97051f46ac62d65baebd933d88db2e2624ef339d70 [2023-12-03 02:30:51,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:30:51,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:30:51,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:30:51,319 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:30:51,319 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:30:51,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i [2023-12-03 02:30:54,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:30:54,507 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:30:54,507 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i [2023-12-03 02:30:54,539 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/data/2f5d4eada/09b74adef0f94a338eb1a8f10443efa8/FLAG739ee66fb [2023-12-03 02:30:54,553 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/data/2f5d4eada/09b74adef0f94a338eb1a8f10443efa8 [2023-12-03 02:30:54,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:30:54,557 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:30:54,559 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:30:54,559 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:30:54,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:30:54,564 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:30:54" (1/1) ... [2023-12-03 02:30:54,565 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34336b6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:54, skipping insertion in model container [2023-12-03 02:30:54,565 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:30:54" (1/1) ... [2023-12-03 02:30:54,634 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:30:55,497 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_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i[71417,71430] [2023-12-03 02:30:55,819 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:30:55,835 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:30:55,866 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:30:55,894 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_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i[71417,71430] [2023-12-03 02:30:55,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:30:55,993 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:30:56,038 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_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/sv-benchmarks/c/neural-networks/softsign_w4_r3_case_0_safe.c-amalgamation.i[71417,71430] [2023-12-03 02:30:56,129 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:30:56,328 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:30:56,329 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:30:56,329 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:30:56,329 WARN L675 CHandler]: The function recurrent_activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:30:56,329 WARN L675 CHandler]: The function output_activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:30:56,336 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:30:56,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:56 WrapperNode [2023-12-03 02:30:56,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:30:56,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:30:56,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:30:56,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:30:56,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:56" (1/1) ... [2023-12-03 02:30:56,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:56" (1/1) ... [2023-12-03 02:30:56,453 INFO L138 Inliner]: procedures = 780, calls = 751, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 389 [2023-12-03 02:30:56,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:30:56,454 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:30:56,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:30:56,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:30:56,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:56" (1/1) ... [2023-12-03 02:30:56,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:56" (1/1) ... [2023-12-03 02:30:56,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:56" (1/1) ... [2023-12-03 02:30:56,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:56" (1/1) ... [2023-12-03 02:30:56,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:56" (1/1) ... [2023-12-03 02:30:56,506 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:56" (1/1) ... [2023-12-03 02:30:56,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:56" (1/1) ... [2023-12-03 02:30:56,518 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:56" (1/1) ... [2023-12-03 02:30:56,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:30:56,529 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:30:56,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:30:56,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:30:56,530 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:30:56" (1/1) ... [2023-12-03 02:30:56,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:30:56,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:30:56,556 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:30:56,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:30:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 02:30:56,595 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2023-12-03 02:30:56,595 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2023-12-03 02:30:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-03 02:30:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:30:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:30:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:30:56,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:30:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:30:56,596 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:30:56,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:30:56,597 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:30:56,597 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2023-12-03 02:30:56,597 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2023-12-03 02:30:56,597 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 02:30:56,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 02:30:56,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:30:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:30:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 02:30:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 02:30:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2023-12-03 02:30:56,598 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2023-12-03 02:30:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:30:56,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 02:30:56,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 02:30:56,785 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:30:56,787 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:31:13,701 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:31:14,016 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:31:14,016 INFO L309 CfgBuilder]: Removed 20 assume(true) statements. [2023-12-03 02:31:14,018 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:31:14 BoogieIcfgContainer [2023-12-03 02:31:14,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:31:14,019 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:31:14,019 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:31:14,028 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:31:14,028 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:31:14" (1/1) ... [2023-12-03 02:31:14,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:31:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:14,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2023-12-03 02:31:14,088 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2023-12-03 02:31:14,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:31:14,089 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:14,090 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:14,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:14,091 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:14,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:31:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:14,879 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:31:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:31:15,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:31:15,485 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:31:15,605 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 02:31:15,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:31:25,801 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:31:26,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:31:26,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 109 transitions. [2023-12-03 02:31:26,019 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2023-12-03 02:31:26,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:31:26,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:31:26,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:31:26,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:31:26,022 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:31:26,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:32:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:46,245 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:46,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:32:46,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:46,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:32:46,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2023-12-03 02:32:46,880 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 02:32:47,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 131 treesize of output 103 [2023-12-03 02:32:47,206 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:32:47,208 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2023-12-03 02:32:47,313 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 02:32:47,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:32:55,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.46s 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 02:32:57,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:57,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 77 states and 123 transitions. [2023-12-03 02:32:57,423 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2023-12-03 02:32:57,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:32:57,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:57,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:57,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:57,429 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:57,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:32:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:58,136 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:58,556 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:32:58,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:32:58,604 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 02:32:58,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:32:58,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:32:58,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 78 states and 124 transitions. [2023-12-03 02:32:58,723 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2023-12-03 02:32:58,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:32:58,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:32:58,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:32:58,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:32:58,725 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:32:58,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:32:59,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:59,438 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:32:59,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:32:59,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:32:59,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:00,314 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 02:33:00,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:33:08,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.11s 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 02:33:12,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:12,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 83 states and 137 transitions. [2023-12-03 02:33:12,235 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2023-12-03 02:33:12,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 02:33:12,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:12,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:12,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:12,239 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:12,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:33:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:12,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:13,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:13,356 INFO L262 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:33:13,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:13,595 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 02:33:13,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:33:14,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:33:16,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:16,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 86 states and 145 transitions. [2023-12-03 02:33:16,943 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 145 transitions. [2023-12-03 02:33:16,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 02:33:16,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:16,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:16,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:16,946 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:16,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:33:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:17,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:18,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:18,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:33:18,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:18,096 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 02:33:18,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:33:18,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:18,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 88 states and 151 transitions. [2023-12-03 02:33:18,839 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2023-12-03 02:33:18,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:33:18,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:18,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:18,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:18,844 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:18,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:33:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:19,549 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:19,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:33:19,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:21,069 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 02:33:21,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:33:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:22,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 90 states and 156 transitions. [2023-12-03 02:33:22,406 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 156 transitions. [2023-12-03 02:33:22,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:33:22,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:22,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:22,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:22,409 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:22,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:33:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:23,097 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:23,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:33:23,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:23,617 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 02:33:23,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:26,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:26,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 96 states and 171 transitions. [2023-12-03 02:33:26,467 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 171 transitions. [2023-12-03 02:33:26,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 02:33:26,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:26,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:26,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:26,471 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:26,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:33:27,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:27,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:27,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:27,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:33:27,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:27,810 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 02:33:27,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:27,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:27,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 96 states and 170 transitions. [2023-12-03 02:33:27,863 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 170 transitions. [2023-12-03 02:33:27,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:33:27,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:27,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:27,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:27,867 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:27,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:33:28,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:28,590 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:29,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:33:29,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:29,138 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:33:29,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 02:33:29,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:29,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 101 states and 178 transitions. [2023-12-03 02:33:29,831 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 178 transitions. [2023-12-03 02:33:29,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:33:29,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:29,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:29,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:29,834 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:29,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:33:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:30,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:31,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:33:31,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:31,176 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 02:33:31,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:33:33,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:33:33,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 103 states and 181 transitions. [2023-12-03 02:33:33,014 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 181 transitions. [2023-12-03 02:33:33,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:33:33,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:33:33,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:33:33,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:33:33,016 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:33:33,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:33:36,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:36,336 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:33:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:33:36,884 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:33:36,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:33:39,111 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 02:33:39,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:33:39,125 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:33:46,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:34:00,036 WARN L539 Checker$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 02:34:12,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:12,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 114 states and 217 transitions. [2023-12-03 02:34:12,755 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 217 transitions. [2023-12-03 02:34:12,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:34:12,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:12,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:12,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:12,757 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:12,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:34:16,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:16,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:16,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:16,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:34:16,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:16,847 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 02:34:16,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:34:16,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:16,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 114 states and 217 transitions. [2023-12-03 02:34:16,885 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 217 transitions. [2023-12-03 02:34:16,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:34:16,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:16,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:16,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:16,888 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:16,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:34:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:17,793 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:18,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:34:18,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 02:34:18,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 02:34:18,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:18,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:34:18,980 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:34:18,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:34:18,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:18,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:18,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:18,982 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:18,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:34:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:22,439 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:22,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:22,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:34:22,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:23,091 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 02:34:23,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:34:23,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:23,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:34:23,132 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:34:23,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:34:23,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:23,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:23,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:23,134 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:23,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:34:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:26,535 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:27,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:34:27,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:27,251 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 02:34:27,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 02:34:27,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:27,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:34:27,299 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:34:27,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:34:27,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:27,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:27,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:27,301 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:27,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:34:30,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:30,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:31,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:34:31,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:31,380 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 02:34:31,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:34:31,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:31,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:34:31,417 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:34:31,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:34:31,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:31,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:31,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:31,419 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:31,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:34:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:34,917 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:35,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:35,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:34:35,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:35,569 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 02:34:35,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:34:35,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:35,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:34:35,610 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:34:35,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:34:35,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:35,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:35,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:35,612 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:35,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:34:39,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:39,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:39,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:34:39,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:39,784 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 02:34:39,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:34:39,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:39,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:34:39,832 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:34:39,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:34:39,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:39,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:39,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:39,833 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:39,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:34:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:43,430 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:43,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:34:43,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:44,141 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 02:34:44,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 02:34:44,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:44,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:34:44,178 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:34:44,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:34:44,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:44,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:44,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:44,180 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:44,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:34:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:47,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:48,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:34:48,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:48,535 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 02:34:48,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2023-12-03 02:34:48,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:48,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:34:48,574 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:34:48,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:34:48,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:48,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:48,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:48,576 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:48,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:34:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:52,228 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:52,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:52,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:34:52,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:52,892 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 02:34:52,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 02:34:52,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:52,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:34:52,949 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:34:52,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:34:52,950 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:52,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:52,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:52,951 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:52,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:34:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:56,477 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:56,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:57,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:34:57,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:57,154 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 02:34:57,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:34:57,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:57,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:34:57,192 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:34:57,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:34:57,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:57,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:57,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:57,194 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:57,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:35:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:00,775 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:01,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:01,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:35:01,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:01,498 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 02:35:01,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:35:01,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:01,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:35:01,544 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:35:01,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:35:01,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:01,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:01,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:01,546 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:01,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:35:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:05,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:05,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:35:05,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:05,902 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 02:35:05,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:35:05,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:05,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:35:05,946 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:35:05,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:35:05,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:05,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:05,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:05,947 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:05,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:35:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:09,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:10,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:35:10,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:10,343 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 02:35:10,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:35:10,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:10,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:35:10,391 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:35:10,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:35:10,392 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:10,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:10,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:10,393 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:10,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:35:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:14,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:14,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:35:14,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:14,735 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 02:35:14,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:35:14,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:14,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:35:14,776 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:35:14,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:35:14,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:14,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:14,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:14,777 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:14,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:35:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:18,481 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:18,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:19,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:35:19,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:19,154 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 02:35:19,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 02:35:19,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:19,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:35:19,197 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:35:19,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:35:19,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:19,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:19,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:19,199 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:19,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:35:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:22,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:23,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:35:23,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:23,535 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 02:35:23,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:35:23,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:23,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:35:23,577 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:35:23,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:35:23,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:23,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:23,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:23,579 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:23,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:35:27,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:27,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:27,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:35:27,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:27,947 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 02:35:27,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:35:27,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:27,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:35:27,990 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:35:27,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:35:27,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:27,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:27,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:27,992 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:27,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:35:31,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:31,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:32,344 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:35:32,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:32,479 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 02:35:32,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:35:32,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:32,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:35:32,523 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:35:32,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:35:32,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:32,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:32,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:32,524 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:32,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:35:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:36,498 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:36,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:37,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:35:37,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:37,149 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 02:35:37,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 02:35:37,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:37,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:35:37,194 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:35:37,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:35:37,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:37,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:37,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:37,196 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:37,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:35:41,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:41,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:41,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:35:41,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:41,751 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 02:35:41,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:35:41,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:41,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:35:41,795 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:35:41,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:35:41,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:41,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:41,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:41,796 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:41,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:35:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:45,692 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:46,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:46,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:35:46,215 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:46,366 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 02:35:46,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:35:46,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:46,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:35:46,411 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:35:46,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:35:46,412 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:46,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:46,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:46,413 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:46,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:35:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:50,339 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:50,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:50,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:35:50,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:50,994 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 02:35:51,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:35:51,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:51,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:35:51,044 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:35:51,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:35:51,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:51,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:51,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:51,046 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:51,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:35:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:55,129 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:35:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:55,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:35:55,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:35:55,798 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 02:35:55,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:35:55,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:35:55,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:35:55,843 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:35:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:35:55,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:35:55,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:35:55,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:35:55,844 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:35:55,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:35:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:35:59,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:00,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:36:00,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:00,584 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 02:36:00,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 02:36:00,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:36:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:36:00,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:36:00,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:00,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:00,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:00,631 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:00,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:36:04,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:04,673 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:05,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:36:05,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:05,322 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 02:36:05,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2023-12-03 02:36:05,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:05,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:36:05,369 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:36:05,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:36:05,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:05,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:05,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:05,370 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:05,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:36:09,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:09,278 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:09,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:36:09,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:09,937 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 02:36:09,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:36:09,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:09,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:36:09,983 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:36:09,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:36:09,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:09,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:09,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:09,984 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:09,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:36:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:14,064 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:14,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:36:14,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:14,717 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 02:36:14,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 02:36:14,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:14,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:36:14,764 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:36:14,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:36:14,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:14,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:14,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:14,765 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:14,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:36:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:18,916 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:19,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:36:19,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:19,598 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 02:36:19,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:36:19,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:19,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:36:19,647 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:36:19,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:36:19,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:19,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:19,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:19,648 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:19,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:36:23,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:23,829 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:24,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:36:24,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:24,552 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 02:36:24,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:36:24,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:24,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:36:24,602 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:36:24,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:36:24,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:24,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:24,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:24,604 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:24,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:36:28,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:28,976 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:29,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:36:29,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:29,652 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 02:36:29,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 02:36:29,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:29,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:36:29,700 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:36:29,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:36:29,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:29,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:29,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:29,702 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:29,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:36:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:33,932 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:34,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:36:34,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:34,591 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 02:36:34,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 02:36:34,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:34,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:36:34,639 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:36:34,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:36:34,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:34,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:34,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:34,641 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:34,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:36:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:38,786 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:39,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:36:39,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:39,447 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 02:36:39,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:36:39,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:39,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:36:39,509 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:36:39,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:36:39,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:39,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:39,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:39,510 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:39,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:36:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:43,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:44,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:44,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:36:44,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:44,301 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 02:36:44,331 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:36:44,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:44,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:36:44,352 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:36:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:36:44,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:44,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:44,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:44,353 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:44,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:36:48,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:48,650 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:49,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:36:49,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:49,279 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 02:36:49,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 02:36:49,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:49,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:36:49,342 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:36:49,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:36:49,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:49,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:49,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:49,344 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:49,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:36:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:53,540 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:54,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:36:54,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:54,231 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 02:36:54,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 02:36:54,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:54,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:36:54,290 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:36:54,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:36:54,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:54,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:54,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:54,291 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:54,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:36:58,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:58,564 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:36:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:36:59,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:36:59,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:36:59,282 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 02:36:59,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 02:36:59,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:36:59,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:36:59,337 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:36:59,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:36:59,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:36:59,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:36:59,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:36:59,339 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:36:59,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 02:37:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:03,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:04,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:37:04,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:04,441 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 02:37:04,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 02:37:04,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:04,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:37:04,495 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:37:04,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:37:04,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:04,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:04,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:04,496 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:04,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 02:37:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:08,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:09,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:37:09,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:09,175 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 02:37:09,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 02:37:09,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:37:09,229 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:37:09,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:37:09,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:09,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:09,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:09,232 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:09,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 02:37:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:14,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:14,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:37:14,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:14,876 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 02:37:14,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 02:37:14,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:14,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:37:14,934 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:37:14,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:37:14,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:14,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:14,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:14,936 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:14,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 02:37:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:19,565 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:20,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:37:20,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:20,425 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 02:37:20,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 02:37:20,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:20,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:37:20,485 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:37:20,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:37:20,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:20,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:20,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:20,487 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:20,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 02:37:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:25,332 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:25,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:37:25,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:25,968 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 02:37:26,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 02:37:26,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:26,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:37:26,022 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:37:26,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:37:26,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:26,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:26,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:26,023 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:26,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 02:37:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:30,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:31,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:37:31,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:31,645 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 02:37:31,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 02:37:31,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:31,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:37:31,706 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:37:31,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:37:31,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:31,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:31,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:31,707 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:31,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 02:37:36,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:36,573 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:37,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:37:37,086 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:37,228 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 02:37:37,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 02:37:37,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:37,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:37:37,295 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:37:37,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:37:37,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:37,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:37,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:37,296 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:37,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 02:37:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:41,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:42,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:42,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:37:42,529 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:42,672 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 02:37:42,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 02:37:42,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:42,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:37:42,740 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:37:42,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:37:42,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:42,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:42,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:42,741 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:42,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 02:37:46,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:46,918 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:47,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:37:47,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:47,529 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 02:37:47,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 02:37:47,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:47,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:37:47,586 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:37:47,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:37:47,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:47,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:47,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:47,587 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:47,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 02:37:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:52,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:52,920 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:37:52,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:53,068 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 02:37:53,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 02:37:53,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:53,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:37:53,128 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:37:53,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:37:53,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:53,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:53,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:53,130 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:53,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 02:37:57,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:57,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:37:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:37:58,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:37:58,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:37:58,682 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 02:37:58,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 02:37:58,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:37:58,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:37:58,740 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:37:58,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:37:58,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:37:58,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:37:58,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:37:58,742 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:37:58,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 02:38:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:03,646 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:04,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:38:04,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:04,306 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 02:38:04,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 02:38:04,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:04,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:38:04,369 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:38:04,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:38:04,369 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:04,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:04,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:04,371 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:04,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 02:38:09,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:09,286 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:09,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:09,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:38:09,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:09,971 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 02:38:10,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 02:38:10,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:38:10,035 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:38:10,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:38:10,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:10,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:10,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:10,036 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:10,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 02:38:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:15,067 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:15,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:38:15,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:15,749 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 02:38:15,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 02:38:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:15,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:38:15,813 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:38:15,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:38:15,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:15,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:15,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:15,815 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:15,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 02:38:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:20,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:21,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:38:21,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:21,238 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 02:38:21,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 02:38:21,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:21,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:38:21,304 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:38:21,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:38:21,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:21,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:21,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:21,306 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:21,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 02:38:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:26,355 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:26,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:38:26,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:27,032 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 02:38:27,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 02:38:27,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:27,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:38:27,112 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:38:27,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:38:27,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:27,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:27,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:27,113 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:27,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 02:38:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:32,149 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:32,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:32,687 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:38:32,689 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:32,827 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 02:38:32,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 02:38:32,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:32,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:38:32,892 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:38:32,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:38:32,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:32,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:32,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:32,894 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:32,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 02:38:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:38,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:38,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:38:38,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:38,681 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 02:38:38,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 02:38:38,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:38,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:38:38,747 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:38:38,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:38:38,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:38,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:38,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:38,749 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:38,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 02:38:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:43,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:44,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:38:44,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:44,659 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 02:38:44,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 02:38:44,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:44,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:38:44,737 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:38:44,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:38:44,738 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:44,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:44,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:44,739 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:44,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 02:38:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:49,877 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:50,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:38:50,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:50,604 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 02:38:50,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 02:38:50,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:50,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:38:50,670 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:38:50,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:38:50,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:50,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:50,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:50,671 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:50,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 02:38:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:55,969 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:38:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:38:56,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:38:56,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:38:56,705 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 02:38:56,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 02:38:56,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:38:56,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:38:56,781 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:38:56,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:38:56,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:38:56,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:38:56,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:38:56,782 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:38:56,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 02:39:02,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:02,129 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:02,677 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:39:02,679 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:02,826 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 02:39:02,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 02:39:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:02,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:39:02,893 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:39:02,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:39:02,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:02,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:02,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:02,895 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:02,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 02:39:08,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:08,114 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:08,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:39:08,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:08,847 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 02:39:08,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 02:39:08,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:08,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:39:08,916 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:39:08,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:39:08,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:08,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:08,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:08,918 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:08,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 02:39:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:14,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:14,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:39:14,578 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:14,732 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 02:39:14,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 02:39:14,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:14,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:39:14,811 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:39:14,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:39:14,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:14,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:14,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:14,812 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:14,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 02:39:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:20,032 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:20,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:39:20,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:20,762 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 02:39:20,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 02:39:20,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:20,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:39:20,818 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:39:20,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:39:20,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:20,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:20,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:20,819 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:20,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 02:39:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:26,143 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:26,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:26,711 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:39:26,713 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:26,859 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 02:39:26,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 02:39:26,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:26,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:39:26,914 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:39:26,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:39:26,915 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:26,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:26,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:26,916 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:26,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 02:39:32,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:32,206 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:32,771 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:39:32,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:32,920 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 02:39:32,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 02:39:32,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:32,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:39:32,976 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:39:32,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:39:32,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:32,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:32,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:32,978 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:32,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 02:39:38,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:38,243 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:38,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:39:38,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:38,935 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 02:39:38,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 02:39:38,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:38,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:39:38,994 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:39:38,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:39:38,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:38,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:38,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:38,995 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:38,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 02:39:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:44,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:44,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:39:44,959 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:45,096 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 02:39:45,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 02:39:45,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:45,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:39:45,155 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:39:45,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:39:45,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:45,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:45,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:45,157 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:45,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 02:39:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:50,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:51,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:51,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:39:51,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:51,454 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 02:39:51,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 02:39:51,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:51,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:39:51,527 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:39:51,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:39:51,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:51,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:51,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:51,529 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:51,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 02:39:56,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:56,891 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:57,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:39:57,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:57,628 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 02:39:57,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 02:39:57,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:57,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:39:57,686 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:39:57,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:39:57,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:57,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:57,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:57,688 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:57,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 02:40:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:03,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:03,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:03,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:40:03,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:03,861 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 02:40:03,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 02:40:03,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:03,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:40:03,922 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:40:03,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:40:03,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:03,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:03,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:03,924 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:03,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 02:40:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:09,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:10,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:10,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:40:10,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:10,321 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 02:40:10,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 02:40:10,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:10,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:40:10,398 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:40:10,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:40:10,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:10,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:10,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:10,399 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:10,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 02:40:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:15,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:16,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:40:16,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:16,466 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 02:40:16,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 02:40:16,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:16,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:40:16,524 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:40:16,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:40:16,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:16,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:16,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:16,526 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:16,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 02:40:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:22,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:22,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:40:22,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:22,809 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 02:40:22,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 02:40:22,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:22,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:40:22,868 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:40:22,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:40:22,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:22,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:22,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:22,870 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:22,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 02:40:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:28,147 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:28,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:40:28,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:28,854 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 02:40:28,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2023-12-03 02:40:28,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:28,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:40:28,914 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:40:28,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:40:28,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:28,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:28,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:28,915 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:28,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 02:40:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:34,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:35,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:40:35,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:35,469 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 02:40:35,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2023-12-03 02:40:35,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:35,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:40:35,529 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:40:35,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:40:35,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:35,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:35,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:35,530 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:35,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 02:40:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:41,009 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:41,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:40:41,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:41,776 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 02:40:41,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 02:40:41,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:41,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:40:41,845 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:40:41,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:40:41,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:41,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:41,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:41,847 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:41,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 02:40:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:47,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:47,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:40:47,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:48,139 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 02:40:48,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 02:40:48,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:48,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:40:48,198 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:40:48,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:40:48,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:48,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:48,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:48,200 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:48,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 02:40:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:53,620 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:40:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:40:54,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:40:54,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:40:54,348 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 02:40:54,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 02:40:54,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:40:54,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:40:54,429 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:40:54,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:40:54,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:40:54,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:40:54,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:40:54,431 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:40:54,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 02:41:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:00,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:00,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:41:00,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:00,850 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 02:41:00,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 02:41:00,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:00,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:41:00,917 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:41:00,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:41:00,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:00,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:00,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:00,918 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:00,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 02:41:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:06,683 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:07,271 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:41:07,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:07,414 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 02:41:07,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 02:41:07,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:07,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:41:07,477 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:41:07,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:41:07,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:07,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:07,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:07,479 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:07,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 02:41:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:13,280 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:13,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:41:13,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:14,019 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 02:41:14,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 02:41:14,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:14,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:41:14,080 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:41:14,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:41:14,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:14,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:14,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:14,081 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:14,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 02:41:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:20,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:20,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:41:20,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:20,725 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 02:41:20,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 02:41:20,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:20,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:41:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:41:20,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:41:20,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:20,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:20,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:20,804 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:20,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 02:41:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:26,638 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:27,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:41:27,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:27,362 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 02:41:27,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 02:41:27,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:27,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:41:27,423 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:41:27,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:41:27,424 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:27,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:27,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:27,425 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:27,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 02:41:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:33,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:34,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:41:34,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:34,180 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 02:41:34,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 02:41:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:34,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:41:34,244 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:41:34,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:41:34,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:34,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:34,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:34,246 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:34,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 02:41:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:40,128 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:40,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:41:40,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:40,893 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 02:41:40,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 02:41:40,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:40,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:41:40,956 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:41:40,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:41:40,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:40,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:40,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:40,958 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:40,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 02:41:46,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:46,810 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:47,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:41:47,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:47,528 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 02:41:47,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-03 02:41:47,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:47,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:41:47,591 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:41:47,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:41:47,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:47,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:47,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:47,593 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:47,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 02:41:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:53,635 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:41:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:41:54,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:41:54,233 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:41:54,390 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 02:41:54,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 02:41:54,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:41:54,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:41:54,453 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:41:54,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:41:54,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:41:54,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:41:54,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:41:54,455 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:41:54,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 02:42:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:00,617 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:01,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:01,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:42:01,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:01,334 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 02:42:01,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 02:42:01,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:01,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:42:01,404 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:42:01,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:42:01,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:01,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:01,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:01,406 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:01,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 02:42:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:07,527 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:08,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:42:08,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:08,278 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 02:42:08,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 02:42:08,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:08,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:42:08,343 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:42:08,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:42:08,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:08,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:08,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:08,345 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:08,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 02:42:13,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:13,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:14,550 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:42:14,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:14,697 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 02:42:14,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 02:42:14,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:14,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:42:14,765 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:42:14,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:42:14,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:14,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:14,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:14,766 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:14,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 02:42:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:20,881 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:21,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:42:21,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:21,656 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 02:42:21,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 02:42:21,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:21,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:42:21,733 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:42:21,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:42:21,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:21,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:21,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:21,734 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:21,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 02:42:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:27,812 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:28,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:28,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:42:28,460 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:28,612 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 02:42:28,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 02:42:28,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:28,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:42:28,676 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:42:28,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:42:28,676 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:28,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:28,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:28,677 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:28,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 02:42:34,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:34,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:35,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:42:35,291 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:35,459 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 02:42:35,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 02:42:35,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:35,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:42:35,523 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:42:35,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:42:35,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:35,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:35,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:35,525 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:35,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 02:42:41,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:41,660 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:42,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:42:42,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:42,475 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 02:42:42,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 02:42:42,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:42,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:42:42,541 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:42:42,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:42:42,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:42,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:42,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:42,542 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:42,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 02:42:48,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:48,618 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:49,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:42:49,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:49,381 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 02:42:49,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 02:42:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:42:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:42:49,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:42:49,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:49,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:49,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:49,452 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:49,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 02:42:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:55,685 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:42:56,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:42:56,321 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:42:56,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:42:56,474 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 02:42:56,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 02:42:56,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:42:56,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:42:56,541 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:42:56,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:42:56,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:42:56,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:42:56,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:42:56,543 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:42:56,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 02:43:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:02,203 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:43:02,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:02,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:43:02,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:02,934 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 02:43:02,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 02:43:03,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:03,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:43:03,003 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:43:03,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:43:03,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:03,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:43:03,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:43:03,004 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:43:03,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 02:43:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:09,291 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:43:09,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:09,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:43:09,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:10,081 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 02:43:10,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 02:43:10,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:10,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:43:10,148 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:43:10,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:43:10,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:10,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:43:10,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:43:10,150 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:43:10,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 02:43:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:16,410 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:43:16,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:17,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:43:17,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:17,161 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 02:43:17,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 02:43:17,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:17,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:43:17,235 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:43:17,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:43:17,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:17,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:43:17,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:43:17,236 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:43:17,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 02:43:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:23,637 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:43:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:24,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:43:24,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:24,390 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 02:43:24,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 02:43:24,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:24,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:43:24,456 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:43:24,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:43:24,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:24,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:43:24,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:43:24,458 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:43:24,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 02:43:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:30,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:43:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:30,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:43:30,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:31,087 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 02:43:31,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2023-12-03 02:43:31,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:31,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:43:31,154 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:43:31,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:43:31,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:31,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:43:31,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:43:31,155 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:43:31,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 02:43:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:37,482 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:43:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:38,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:43:38,100 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:38,240 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 02:43:38,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-03 02:43:38,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:38,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:43:38,310 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:43:38,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:43:38,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:38,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:43:38,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:43:38,312 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:43:38,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 02:43:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:44,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:43:44,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:44,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:43:44,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:45,099 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 02:43:45,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 02:43:45,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:45,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:43:45,176 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:43:45,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:43:45,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:45,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:43:45,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:43:45,178 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:43:45,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 02:43:51,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:51,510 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:43:52,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:52,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:43:52,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:52,260 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 02:43:52,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 02:43:52,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:52,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:43:52,327 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:43:52,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:43:52,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:52,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:43:52,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:43:52,329 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:43:52,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 02:43:58,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:58,986 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:43:59,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:43:59,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:43:59,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:43:59,684 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 02:43:59,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 02:43:59,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:43:59,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:43:59,751 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:43:59,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:43:59,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:43:59,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:43:59,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:43:59,753 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:43:59,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 02:44:06,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:06,176 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:44:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:06,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:44:06,795 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:06,937 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 02:44:06,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 02:44:07,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:07,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:44:07,004 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:44:07,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:44:07,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:07,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:44:07,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:44:07,005 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:44:07,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 02:44:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:13,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:44:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:13,950 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:44:13,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:14,094 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 02:44:14,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 02:44:14,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:14,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:44:14,161 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:44:14,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:44:14,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:14,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:44:14,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:44:14,163 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:44:14,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 02:44:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:20,570 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:44:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:21,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:44:21,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:21,348 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 02:44:21,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 02:44:21,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:21,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:44:21,416 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:44:21,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:44:21,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:21,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:44:21,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:44:21,417 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:44:21,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 02:44:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:27,817 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:44:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:28,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:44:28,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:28,571 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 02:44:28,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 02:44:28,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:28,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:44:28,639 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:44:28,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:44:28,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:28,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:44:28,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:44:28,641 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:44:28,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 02:44:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:35,278 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:44:35,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:35,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:44:35,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:35,997 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 02:44:36,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 02:44:36,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:36,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:44:36,069 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:44:36,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:44:36,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:36,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:44:36,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:44:36,070 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:44:36,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 02:44:42,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:42,592 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:44:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:43,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:44:43,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:43,356 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 02:44:43,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 02:44:43,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:43,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:44:43,426 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:44:43,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:44:43,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:43,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:44:43,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:44:43,427 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:44:43,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 02:44:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:50,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:44:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:50,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:44:50,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:50,960 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 02:44:51,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 02:44:51,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:51,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:44:51,030 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:44:51,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:44:51,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:51,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:44:51,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:44:51,031 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:44:51,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 02:44:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:57,435 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:44:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:44:58,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:44:58,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:44:58,184 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 02:44:58,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 02:44:58,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:44:58,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-03 02:44:58,254 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-03 02:44:58,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:44:58,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:44:58,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:44:58,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:44:58,255 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:44:58,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0fb7939f-38f2-4afc-95e2-2a7b33c1cc71/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 02:45:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:05,052 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:45:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:45:05,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:45:05,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:45:05,760 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.