./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_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_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/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_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/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_a04347d5-2562-478f-bc89-9e6cb9d98179/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 3f59b31728272b9ab1c7f522bf13ddc4b8239455b24ba0a8a2a146b07d69e18c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:03:56,659 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:03:56,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:03:56,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:03:56,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:03:56,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:03:56,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:03:56,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:03:56,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:03:56,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:03:56,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:03:56,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:03:56,755 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:03:56,756 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:03:56,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:03:56,757 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:03:56,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:03:56,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:03:56,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:03:56,758 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:03:56,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:03:56,759 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:03:56,760 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:03:56,760 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:03:56,761 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:03:56,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:03:56,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:03:56,762 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:03:56,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:03:56,763 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:03:56,763 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:03:56,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:03:56,764 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:03:56,765 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_a04347d5-2562-478f-bc89-9e6cb9d98179/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f59b31728272b9ab1c7f522bf13ddc4b8239455b24ba0a8a2a146b07d69e18c [2023-12-03 02:03:56,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:03:57,001 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:03:57,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:03:57,005 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:03:57,005 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:03:57,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i [2023-12-03 02:03:59,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:04:00,053 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:04:00,053 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i [2023-12-03 02:04:00,084 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/data/36715859d/e7fbe438b83a4016b560d2d8f8fac343/FLAG9e6933167 [2023-12-03 02:04:00,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/data/36715859d/e7fbe438b83a4016b560d2d8f8fac343 [2023-12-03 02:04:00,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:04:00,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:04:00,106 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:04:00,106 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:04:00,111 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:04:00,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:04:00" (1/1) ... [2023-12-03 02:04:00,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6adc7378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:00, skipping insertion in model container [2023-12-03 02:04:00,113 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:04:00" (1/1) ... [2023-12-03 02:04:00,188 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:04:01,144 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_a04347d5-2562-478f-bc89-9e6cb9d98179/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i[71397,71410] [2023-12-03 02:04:01,349 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 02:04:01,354 INFO L158 Benchmark]: Toolchain (without parser) took 1248.72ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 96.6MB in the beginning and 154.5MB in the end (delta: -57.9MB). Peak memory consumption was 33.3MB. Max. memory is 16.1GB. [2023-12-03 02:04:01,354 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:04:01,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1246.46ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 96.3MB in the beginning and 154.5MB in the end (delta: -58.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-12-03 02:04:01,357 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 92.3MB. Free memory is still 45.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1246.46ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 96.3MB in the beginning and 154.5MB in the end (delta: -58.3MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java: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_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/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_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/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_a04347d5-2562-478f-bc89-9e6cb9d98179/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 3f59b31728272b9ab1c7f522bf13ddc4b8239455b24ba0a8a2a146b07d69e18c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:04:03,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:04:03,219 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:04:03,247 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:04:03,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:04:03,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:04:03,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:04:03,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:04:03,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:04:03,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:04:03,252 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:04:03,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:04:03,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:04:03,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:04:03,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:04:03,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:04:03,254 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:04:03,255 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:04:03,255 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:04:03,256 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:04:03,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:04:03,257 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:04:03,257 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:04:03,258 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:04:03,258 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:04:03,259 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:04:03,259 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:04:03,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:04:03,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:04:03,260 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:04:03,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:04:03,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:04:03,261 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:04:03,262 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:04:03,262 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:04:03,262 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:04:03,262 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:04:03,262 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_a04347d5-2562-478f-bc89-9e6cb9d98179/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f59b31728272b9ab1c7f522bf13ddc4b8239455b24ba0a8a2a146b07d69e18c [2023-12-03 02:04:03,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:04:03,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:04:03,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:04:03,593 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:04:03,594 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:04:03,595 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i [2023-12-03 02:04:06,302 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:04:06,685 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:04:06,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i [2023-12-03 02:04:06,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/data/cd567d60f/53c7715c15114549a74374e16f8cbbd5/FLAG36881ea57 [2023-12-03 02:04:06,729 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/data/cd567d60f/53c7715c15114549a74374e16f8cbbd5 [2023-12-03 02:04:06,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:04:06,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:04:06,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:04:06,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:04:06,737 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:04:06,738 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:04:06" (1/1) ... [2023-12-03 02:04:06,739 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6eed3180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:06, skipping insertion in model container [2023-12-03 02:04:06,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:04:06" (1/1) ... [2023-12-03 02:04:06,817 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:04:07,696 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_a04347d5-2562-478f-bc89-9e6cb9d98179/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i[71397,71410] [2023-12-03 02:04:08,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:04:08,029 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 02:04:08,071 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:04:08,097 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_a04347d5-2562-478f-bc89-9e6cb9d98179/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i[71397,71410] [2023-12-03 02:04:08,200 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:04:08,205 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:04:08,238 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_a04347d5-2562-478f-bc89-9e6cb9d98179/sv-benchmarks/c/neural-networks/tanh_w4_r1_case_1_safe.c-amalgamation.i[71397,71410] [2023-12-03 02:04:08,356 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:04:08,562 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:04:08,563 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:04:08,563 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:04:08,563 WARN L675 CHandler]: The function recurrent_activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:04:08,563 WARN L675 CHandler]: The function output_activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:04:08,571 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:04:08,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:08 WrapperNode [2023-12-03 02:04:08,571 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:04:08,572 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:04:08,572 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:04:08,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:04:08,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:08" (1/1) ... [2023-12-03 02:04:08,641 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:08" (1/1) ... [2023-12-03 02:04:08,691 INFO L138 Inliner]: procedures = 779, calls = 757, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 393 [2023-12-03 02:04:08,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:04:08,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:04:08,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:04:08,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:04:08,702 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:08" (1/1) ... [2023-12-03 02:04:08,702 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:08" (1/1) ... [2023-12-03 02:04:08,710 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:08" (1/1) ... [2023-12-03 02:04:08,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:08" (1/1) ... [2023-12-03 02:04:08,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:08" (1/1) ... [2023-12-03 02:04:08,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:08" (1/1) ... [2023-12-03 02:04:08,753 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:08" (1/1) ... [2023-12-03 02:04:08,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:08" (1/1) ... [2023-12-03 02:04:08,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:04:08,768 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:04:08,768 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:04:08,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:04:08,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:04:08" (1/1) ... [2023-12-03 02:04:08,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:04:08,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:04:08,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:04:08,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:04:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 02:04:08,845 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2023-12-03 02:04:08,845 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2023-12-03 02:04:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:04:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 02:04:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:04:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:04:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 02:04:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 02:04:08,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:04:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 02:04:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2023-12-03 02:04:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2023-12-03 02:04:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 02:04:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 02:04:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:04:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:04:08,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 02:04:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 02:04:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2023-12-03 02:04:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2023-12-03 02:04:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:04:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 02:04:08,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 02:04:09,054 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:04:09,057 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:04:17,400 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:04:17,788 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:04:17,789 INFO L309 CfgBuilder]: Removed 20 assume(true) statements. [2023-12-03 02:04:17,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:04:17 BoogieIcfgContainer [2023-12-03 02:04:17,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:04:17,791 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:04:17,791 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:04:17,801 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:04:17,801 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:04:17" (1/1) ... [2023-12-03 02:04:17,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:04:17,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:17,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2023-12-03 02:04:17,866 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2023-12-03 02:04:17,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:04:17,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:17,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:04:17,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:04:17,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:04:17,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:04:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:18,628 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:04:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:04:19,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:04:19,166 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:04:19,266 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 02:04:19,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:04:21,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:04:21,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:04:21,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 109 transitions. [2023-12-03 02:04:21,213 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2023-12-03 02:04:21,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:04:21,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:04:21,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:04:21,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:04:21,216 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:04:21,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:05:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:32,617 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:33,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:05:33,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:33,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 02:05:33,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 38 [2023-12-03 02:05:33,155 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 02:05:33,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 02:05:33,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 140 treesize of output 44 [2023-12-03 02:05:33,672 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 02:05:33,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:05:37,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.13s 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 02:05:38,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:38,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 77 states and 122 transitions. [2023-12-03 02:05:38,916 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 122 transitions. [2023-12-03 02:05:38,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:05:38,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:38,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:38,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:05:38,921 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:05:38,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:05:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:39,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:39,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:05:39,922 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:39,953 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 02:05:39,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:05:39,958 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:05:40,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:40,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 78 states and 123 transitions. [2023-12-03 02:05:40,113 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 123 transitions. [2023-12-03 02:05:40,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:05:40,114 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:40,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:40,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:05:40,115 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:05:40,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:05:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:40,706 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:41,034 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:05:41,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:41,440 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 02:05:41,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:05:43,767 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s 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 02:05:47,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:47,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 83 states and 136 transitions. [2023-12-03 02:05:47,296 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2023-12-03 02:05:47,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 02:05:47,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:47,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:47,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:05:47,299 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:05:47,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:05:47,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:47,943 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:48,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:05:48,360 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:48,567 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 02:05:48,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:05:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 86 states and 144 transitions. [2023-12-03 02:05:51,104 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 144 transitions. [2023-12-03 02:05:51,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 02:05:51,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:51,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:51,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:05:51,108 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:05:51,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:05:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:51,734 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:52,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:05:52,123 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:52,140 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 02:05:52,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 02:05:52,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 88 states and 150 transitions. [2023-12-03 02:05:52,821 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 150 transitions. [2023-12-03 02:05:52,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:05:52,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:52,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:52,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:05:52,824 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:05:52,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 02:05:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:53,460 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:53,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:05:53,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:53,920 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 02:05:53,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 02:05:54,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:54,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 93 states and 158 transitions. [2023-12-03 02:05:54,573 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 158 transitions. [2023-12-03 02:05:54,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:05:54,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:54,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:54,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:05:54,575 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:05:54,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 02:05:55,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:55,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:55,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:55,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:05:55,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:55,653 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-03 02:05:55,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 02:05:55,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:05:55,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 86 states and 140 transitions. [2023-12-03 02:05:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 140 transitions. [2023-12-03 02:05:55,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:05:55,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:05:55,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:05:55,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:05:55,964 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:05:55,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 02:05:56,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:56,771 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:05:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:05:57,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:05:57,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:05:58,973 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 02:05:58,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 02:06:02,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s 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 02:06:07,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:06:09,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:06:15,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:15,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 118 states and 218 transitions. [2023-12-03 02:06:15,329 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 218 transitions. [2023-12-03 02:06:15,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:06:15,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:15,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:06:15,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:06:15,332 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:06:15,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 02:06:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:16,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:06:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:16,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:06:16,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:06:16,775 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 02:06:16,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-12-03 02:06:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:21,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 122 states and 231 transitions. [2023-12-03 02:06:21,114 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 231 transitions. [2023-12-03 02:06:21,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 02:06:21,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:21,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:06:21,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:06:21,116 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:06:21,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 02:06:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:21,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:06:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:22,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:06:22,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:06:22,546 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 02:06:22,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 02:06:24,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 124 states and 236 transitions. [2023-12-03 02:06:24,751 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 236 transitions. [2023-12-03 02:06:24,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:06:24,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:24,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:06:24,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:06:24,754 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:06:24,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 02:06:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:25,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:06:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:25,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:06:25,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:06:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 02:06:27,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 02:06:37,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:37,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 139 states and 281 transitions. [2023-12-03 02:06:37,029 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 281 transitions. [2023-12-03 02:06:37,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:06:37,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:37,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:06:37,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:06:37,031 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:06:37,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 02:06:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:37,760 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:06:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:38,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:06:38,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:06:38,490 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 02:06:38,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 02:06:43,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:43,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 143 states and 294 transitions. [2023-12-03 02:06:43,944 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 294 transitions. [2023-12-03 02:06:43,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-03 02:06:43,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:43,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:06:43,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:06:43,946 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:06:43,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 02:06:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:44,847 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:06:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:45,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:06:45,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:06:45,549 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 02:06:45,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-12-03 02:06:48,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:06:48,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 145 states and 299 transitions. [2023-12-03 02:06:48,321 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 299 transitions. [2023-12-03 02:06:48,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:06:48,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:06:48,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:06:48,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:06:48,323 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:06:48,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 02:06:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:49,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:06:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:06:49,492 INFO L262 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:06:49,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:06:51,320 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 02:06:51,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 02:06:53,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:06:56,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:07:07,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:07,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 161 states and 350 transitions. [2023-12-03 02:07:07,126 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 350 transitions. [2023-12-03 02:07:07,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:07:07,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:07,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:07,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:07:07,129 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:07:07,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 02:07:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:07,989 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:07:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:08,377 INFO L262 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:07:08,378 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 02:07:08,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 02:07:15,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:15,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 165 states and 363 transitions. [2023-12-03 02:07:15,295 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 363 transitions. [2023-12-03 02:07:15,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-12-03 02:07:15,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:15,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:15,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:07:15,298 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:07:15,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 02:07:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:16,175 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:07:16,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:16,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:07:16,559 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:16,888 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 02:07:16,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 02:07:20,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:20,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 167 states and 368 transitions. [2023-12-03 02:07:20,341 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 368 transitions. [2023-12-03 02:07:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 02:07:20,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:20,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:20,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:07:20,344 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:07:20,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 02:07:21,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:21,257 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:07:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:21,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 897 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:07:21,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:24,212 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 02:07:24,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 02:07:35,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:35,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 169 states and 375 transitions. [2023-12-03 02:07:35,366 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 375 transitions. [2023-12-03 02:07:35,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 02:07:35,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:35,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:35,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:07:35,369 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:07:35,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 02:07:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:36,280 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:07:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:36,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:07:36,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:36,734 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 02:07:36,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 02:07:46,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:46,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 175 states and 403 transitions. [2023-12-03 02:07:46,827 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 403 transitions. [2023-12-03 02:07:46,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-03 02:07:46,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:46,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:46,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:07:46,830 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:07:46,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 02:07:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:47,720 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:07:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:48,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 02:07:48,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:48,237 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 02:07:48,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 02:07:48,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:48,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 175 states and 402 transitions. [2023-12-03 02:07:48,323 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 402 transitions. [2023-12-03 02:07:48,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:07:48,324 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:48,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:48,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:07:48,325 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:07:48,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 02:07:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:49,263 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:07:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:49,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 02:07:49,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:07:49,759 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 02:07:49,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 02:07:53,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:53,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 177 states and 405 transitions. [2023-12-03 02:07:53,663 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 405 transitions. [2023-12-03 02:07:53,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:07:53,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:53,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:07:53,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:07:53,665 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:07:53,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 02:07:57,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:57,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:07:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:57,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:07:57,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:02,022 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 02:08:02,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2023-12-03 02:08:07,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:08:23,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 02:08:52,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:52,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:08:52,368 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:08:52,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:08:52,370 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:52,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:52,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:52,371 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:52,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 02:08:56,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:56,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:08:56,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:08:56,481 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:08:56,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:08:56,618 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 02:08:56,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 02:08:56,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:08:56,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:08:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:08:56,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:08:56,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:08:56,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:08:56,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:08:56,694 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:08:56,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 02:09:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:00,385 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:00,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:00,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:00,954 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 02:09:00,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 02:09:01,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:09:01,014 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:09:01,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:01,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:01,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:01,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:01,016 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:01,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 02:09:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:04,662 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:05,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:05,094 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:05,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:05,218 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 02:09:05,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 02:09:05,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:05,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:09:05,276 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:09:05,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:05,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:05,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:05,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:05,279 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:05,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 02:09:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:08,945 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:09,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:09,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:09,509 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 02:09:09,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 02:09:09,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:09,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:09:09,569 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:09:09,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:09,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:09,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:09,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:09,570 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:09,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 02:09:13,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:13,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:13,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:13,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:13,937 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 02:09:13,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 02:09:13,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:13,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:09:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:09:13,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:13,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:13,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:13,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:13,991 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:13,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 02:09:17,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:17,749 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:18,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:18,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:18,336 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 02:09:18,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-03 02:09:18,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:18,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:09:18,396 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:09:18,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:18,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:18,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:18,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:18,399 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:18,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 02:09:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:22,161 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:22,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:22,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:22,728 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 02:09:22,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 02:09:22,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:22,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:09:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:09:22,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:22,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:22,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:22,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:22,791 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:22,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 02:09:26,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:26,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:27,138 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:27,140 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:27,255 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 02:09:27,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 02:09:27,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:27,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:09:27,308 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:09:27,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:27,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:27,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:27,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:27,310 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:27,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 02:09:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:31,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:31,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:31,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:31,739 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 02:09:31,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 02:09:31,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:31,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:09:31,790 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:09:31,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:31,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:31,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:31,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:31,792 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:31,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 02:09:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:35,576 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:36,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:36,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:36,132 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 02:09:36,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2023-12-03 02:09:36,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:36,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:09:36,191 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:09:36,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:36,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:36,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:36,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:36,193 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:36,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 02:09:39,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:39,983 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:40,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:40,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:40,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:40,532 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 02:09:40,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 02:09:40,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:40,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:09:40,599 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:09:40,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:40,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:40,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:40,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:40,601 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:40,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 02:09:44,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:44,626 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:45,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:45,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:45,187 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 02:09:45,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 02:09:45,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:45,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:09:45,246 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:09:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:45,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:45,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:45,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:45,248 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:45,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 02:09:49,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:49,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:49,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:49,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:49,792 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 02:09:49,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 02:09:49,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:09:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:09:49,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:49,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:49,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:49,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:49,849 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:49,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 02:09:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:53,615 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:54,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:54,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:54,179 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 02:09:54,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 02:09:54,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:54,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:09:54,232 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:09:54,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:54,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:54,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:54,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:54,234 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:54,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 02:09:58,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:58,196 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:58,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:09:58,657 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:58,784 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 02:09:58,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 02:09:58,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:58,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:09:58,837 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:09:58,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:09:58,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:58,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:58,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:58,839 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:58,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 02:10:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:02,714 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:03,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:10:03,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:03,303 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 02:10:03,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 02:10:03,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:03,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:10:03,359 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:10:03,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:10:03,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:03,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:03,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:03,360 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:03,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 02:10:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:07,188 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:07,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:10:07,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:07,782 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 02:10:07,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 02:10:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:07,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:10:07,837 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:10:07,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:10:07,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:07,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:07,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:07,839 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:07,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 02:10:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:11,798 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:12,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:10:12,275 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:12,406 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 02:10:12,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 02:10:12,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:12,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:10:12,473 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:10:12,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:10:12,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:12,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:12,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:12,475 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:12,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 02:10:16,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:16,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:17,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:10:17,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:17,152 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 02:10:17,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 02:10:17,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:10:17,221 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:10:17,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:10:17,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:17,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:17,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:17,222 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:17,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 02:10:21,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:21,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:21,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:10:21,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:21,966 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 02:10:21,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 02:10:22,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:22,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:10:22,039 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:10:22,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:10:22,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:22,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:22,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:22,040 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:22,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 02:10:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:26,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:26,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:10:26,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:26,679 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 02:10:26,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2023-12-03 02:10:26,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:26,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:10:26,737 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:10:26,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:10:26,742 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:26,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:26,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:26,743 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:26,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 02:10:30,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:30,897 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:31,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:31,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:10:31,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:31,476 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 02:10:31,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 02:10:31,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:31,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:10:31,545 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:10:31,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:10:31,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:31,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:31,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:31,546 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:31,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 02:10:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:35,703 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:36,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:10:36,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:36,305 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 02:10:36,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 02:10:36,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:36,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:10:36,373 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:10:36,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:10:36,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:36,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:36,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:36,375 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:36,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 02:10:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:40,499 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:40,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:10:40,997 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:41,119 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 02:10:41,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 02:10:41,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:41,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:10:41,184 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:10:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:10:41,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:41,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:41,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:41,186 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:41,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 02:10:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:45,344 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:45,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:10:45,796 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:45,918 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 02:10:45,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 02:10:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:45,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:10:45,982 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:10:45,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:10:45,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:45,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:45,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:45,984 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:45,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 02:10:50,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:50,183 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:50,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:10:50,670 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:50,789 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 02:10:50,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 02:10:50,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:50,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:10:50,863 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:10:50,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:10:50,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:50,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:50,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:50,865 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:50,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 02:10:55,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:55,080 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:10:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:10:55,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:10:55,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:10:55,680 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 02:10:55,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 02:10:55,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:10:55,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:10:55,750 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:10:55,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:10:55,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:10:55,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:10:55,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:10:55,752 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:10:55,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 02:11:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:00,029 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:00,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:11:00,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:00,653 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 02:11:00,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 02:11:00,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:00,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:11:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:11:00,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:11:00,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:00,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:00,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:00,720 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:00,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 02:11:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:04,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:05,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:11:05,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:05,557 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 02:11:05,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 02:11:05,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:05,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:11:05,625 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:11:05,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:11:05,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:05,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:05,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:05,627 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:05,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 02:11:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:09,778 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:10,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:10,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:11:10,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:10,349 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 02:11:10,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 02:11:10,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:10,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:11:10,420 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:11:10,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:11:10,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:10,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:10,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:10,422 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:10,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 02:11:14,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:14,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:15,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:11:15,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:15,332 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 02:11:15,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 02:11:15,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:15,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:11:15,397 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:11:15,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:11:15,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:15,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:15,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:15,399 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:15,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 02:11:19,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:19,795 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:20,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:11:20,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:20,411 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 02:11:20,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 02:11:20,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:20,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:11:20,473 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:11:20,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:11:20,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:20,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:20,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:20,475 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:20,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 02:11:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:24,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:25,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:11:25,446 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:25,566 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 02:11:25,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 02:11:25,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:25,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:11:25,638 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:11:25,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:11:25,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:25,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:25,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:25,640 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:25,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 02:11:30,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:30,170 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:30,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:11:30,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:30,762 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 02:11:30,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 02:11:30,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:30,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:11:30,828 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:11:30,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:11:30,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:30,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:30,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:30,829 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:30,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 02:11:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:35,191 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:35,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:11:35,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:35,826 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 02:11:35,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 02:11:35,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:35,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:11:35,906 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:11:35,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:11:35,906 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:35,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:35,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:35,907 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:35,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 02:11:40,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:40,360 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:40,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:11:40,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:40,987 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 02:11:41,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 02:11:41,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:41,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:11:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:11:41,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:11:41,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:41,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:41,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:41,051 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:41,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 02:11:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:45,428 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:45,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:11:45,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:45,999 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 02:11:46,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 02:11:46,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:46,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:11:46,075 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:11:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:11:46,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:46,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:46,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:46,076 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:46,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 02:11:50,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:50,579 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:51,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:11:51,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:51,178 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 02:11:51,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 02:11:51,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:51,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:11:51,245 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:11:51,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:11:51,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:51,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:51,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:51,246 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:51,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 02:11:55,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:55,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:11:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:11:56,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:11:56,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:11:56,390 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 02:11:56,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 02:11:56,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:11:56,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:11:56,453 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:11:56,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:11:56,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:11:56,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:11:56,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:11:56,455 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:11:56,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 02:12:01,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:01,008 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:01,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:01,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:12:01,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:01,614 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 02:12:01,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 02:12:01,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:01,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:12:01,693 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:12:01,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:12:01,693 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:01,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:01,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:01,694 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:01,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 02:12:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:06,264 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:06,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:06,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:12:06,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:06,893 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 02:12:06,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 02:12:06,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:06,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:12:06,959 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:12:06,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:12:06,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:06,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:06,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:06,961 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:06,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 02:12:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:11,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:11,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:11,880 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:12:11,881 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:12,015 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 02:12:12,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-03 02:12:12,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:12,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:12:12,081 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:12:12,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:12:12,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:12,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:12,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:12,082 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:12,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 02:12:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:16,642 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:17,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:12:17,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:17,213 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 02:12:17,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 02:12:17,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:17,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:12:17,294 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:12:17,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:12:17,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:17,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:17,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:17,296 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:17,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 02:12:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:22,002 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:22,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:12:22,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:22,587 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 02:12:22,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 02:12:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:12:22,655 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:12:22,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:12:22,656 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:22,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:22,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:22,657 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:22,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 02:12:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:27,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:27,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:27,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:12:27,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:27,900 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 02:12:27,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 02:12:27,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:27,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:12:27,968 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:12:27,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:12:27,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:27,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:27,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:27,969 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:27,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 02:12:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:32,620 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:33,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:33,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:12:33,074 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:33,190 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 02:12:33,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 02:12:33,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:33,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:12:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:12:33,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:12:33,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:33,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:33,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:33,271 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:33,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 02:12:37,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:37,895 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:38,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:12:38,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:38,459 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 02:12:38,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 02:12:38,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:38,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:12:38,528 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:12:38,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:12:38,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:38,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:38,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:38,529 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:38,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 02:12:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:43,102 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:43,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:12:43,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:43,764 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 02:12:43,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 02:12:43,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:43,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:12:43,836 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:12:43,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:12:43,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:43,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:43,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:43,838 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:43,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 02:12:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:48,521 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:48,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:48,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:12:48,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:49,116 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 02:12:49,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 02:12:49,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:49,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:12:49,186 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:12:49,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:12:49,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:49,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:49,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:49,187 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:49,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 02:12:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:53,827 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:54,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:54,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:12:54,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:54,414 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 02:12:54,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 02:12:54,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:54,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:12:54,495 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:12:54,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:12:54,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:54,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:54,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:54,496 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:54,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 02:12:59,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:59,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:12:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:12:59,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:12:59,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:12:59,680 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 02:12:59,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 02:12:59,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:12:59,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:12:59,765 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:12:59,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:12:59,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:12:59,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:12:59,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:12:59,767 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:12:59,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 02:13:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:04,628 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:05,142 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:13:05,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:05,266 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 02:13:05,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 02:13:05,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:05,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:13:05,348 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:13:05,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:13:05,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:05,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:05,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:05,349 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:05,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 02:13:10,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:10,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:10,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:10,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:13:10,576 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:10,697 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 02:13:10,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 02:13:10,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:10,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:13:10,767 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:13:10,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:13:10,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:10,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:10,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:10,769 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:10,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 02:13:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:15,416 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:15,872 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:13:15,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:15,993 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 02:13:16,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 02:13:16,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:16,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:13:16,064 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:13:16,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:13:16,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:16,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:16,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:16,065 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:16,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 02:13:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:20,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:21,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:21,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:13:21,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:21,370 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 02:13:21,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 02:13:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:21,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:13:21,451 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:13:21,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:13:21,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:21,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:21,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:21,452 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:21,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 02:13:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:26,346 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:26,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:13:26,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:26,958 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 02:13:26,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 02:13:27,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:13:27,031 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:13:27,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:13:27,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:27,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:27,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:27,032 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:27,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 02:13:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:31,869 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:32,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:32,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:13:32,324 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:32,448 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 02:13:32,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 02:13:32,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:32,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:13:32,518 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:13:32,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:13:32,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:32,519 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:32,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:32,520 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:32,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-03 02:13:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:37,274 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:37,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:37,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:13:37,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:37,886 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 02:13:37,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-03 02:13:37,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:37,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:13:37,961 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:13:37,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:13:37,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:37,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:37,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:37,963 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:37,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-03 02:13:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:42,877 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:43,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:13:43,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:43,483 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 02:13:43,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-03 02:13:43,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:43,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:13:43,556 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:13:43,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:13:43,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:43,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:43,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:43,557 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:43,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-03 02:13:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:48,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:48,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:48,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:13:48,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:49,097 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 02:13:49,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-03 02:13:49,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:49,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:13:49,177 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:13:49,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:13:49,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:49,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:49,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:49,178 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:49,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-03 02:13:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:53,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:54,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:13:54,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:54,478 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 02:13:54,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-03 02:13:54,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:13:54,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:13:54,556 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:13:54,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:13:54,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:13:54,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:13:54,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:13:54,557 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:13:54,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-03 02:13:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:59,382 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:13:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:13:59,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:13:59,832 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:13:59,955 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 02:13:59,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-03 02:14:00,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:00,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:14:00,036 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:14:00,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:14:00,037 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:00,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:00,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:00,038 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:00,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-03 02:14:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:04,920 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:05,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:14:05,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:05,529 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 02:14:05,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-03 02:14:05,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:14:05,605 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:14:05,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:14:05,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:05,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:05,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:05,613 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:05,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-03 02:14:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:10,612 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:11,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:14:11,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:11,202 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 02:14:11,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2023-12-03 02:14:11,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:11,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:14:11,280 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:14:11,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:14:11,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:11,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:11,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:11,282 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:11,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-03 02:14:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:16,185 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:16,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:14:16,646 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:16,764 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 02:14:16,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-03 02:14:16,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:16,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:14:16,837 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:14:16,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:14:16,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:16,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:16,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:16,839 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:16,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-03 02:14:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:21,863 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:22,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:22,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:14:22,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:22,482 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 02:14:22,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-03 02:14:22,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:22,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:14:22,546 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:14:22,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:14:22,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:22,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:22,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:22,547 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:22,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-03 02:14:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:27,689 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:28,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:14:28,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:28,272 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 02:14:28,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-03 02:14:28,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:28,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:14:28,343 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:14:28,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:14:28,344 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:28,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:28,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:28,345 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:28,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-03 02:14:33,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:33,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:34,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:14:34,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:34,126 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 02:14:34,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-03 02:14:34,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:34,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:14:34,197 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:14:34,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:14:34,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:34,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:34,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:34,203 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:34,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-03 02:14:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:39,307 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:39,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:14:39,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:39,928 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 02:14:39,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-03 02:14:40,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:40,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:14:40,002 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:14:40,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:14:40,003 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:40,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:40,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:40,004 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:40,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-03 02:14:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:45,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:45,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:14:45,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:45,853 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 02:14:45,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-03 02:14:45,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:45,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:14:45,925 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:14:45,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:14:45,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:45,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:45,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:45,926 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:45,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-03 02:14:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:51,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:51,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:51,597 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:14:51,599 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:51,741 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 02:14:51,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-03 02:14:51,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:51,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:14:51,808 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:14:51,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:14:51,809 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:51,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:51,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:51,810 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:51,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-03 02:14:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:56,904 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:14:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:14:57,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:14:57,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:14:57,514 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 02:14:57,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-03 02:14:57,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:14:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:14:57,578 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:14:57,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:14:57,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:14:57,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:14:57,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:14:57,580 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:14:57,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-03 02:15:02,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:02,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:03,402 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:15:03,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:03,521 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 02:15:03,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-03 02:15:03,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:03,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:15:03,587 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:15:03,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:15:03,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:03,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:03,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:03,589 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:03,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-03 02:15:08,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:08,746 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:09,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:15:09,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:09,314 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 02:15:09,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-03 02:15:09,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:09,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:15:09,378 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:15:09,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:15:09,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:09,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:09,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:09,380 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:09,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-03 02:15:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:14,530 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:15,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:15:15,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:15,121 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 02:15:15,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2023-12-03 02:15:15,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:15,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:15:15,189 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:15:15,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:15:15,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:15,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:15,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:15,190 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:15,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-03 02:15:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:20,330 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:20,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:15:20,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:20,912 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 02:15:20,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-03 02:15:20,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:20,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:15:20,976 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:15:20,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:15:20,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:20,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:20,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:20,978 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:20,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-03 02:15:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:26,168 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:26,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:15:26,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:26,763 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 02:15:26,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-03 02:15:26,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:26,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:15:26,828 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:15:26,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:15:26,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:26,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:26,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:26,830 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:26,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-03 02:15:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:32,032 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:32,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:15:32,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:32,610 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 02:15:32,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-03 02:15:32,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:32,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:15:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:15:32,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:15:32,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:32,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:32,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:32,679 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:32,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-03 02:15:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:38,013 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:38,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:15:38,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:38,585 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 02:15:38,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-03 02:15:38,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:38,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:15:38,671 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:15:38,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:15:38,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:38,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:38,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:38,672 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:38,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-03 02:15:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:43,985 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:44,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:44,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:15:44,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:44,568 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 02:15:44,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-03 02:15:44,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:44,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:15:44,635 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:15:44,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:15:44,635 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:44,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:44,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:44,636 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:44,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-03 02:15:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:50,065 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:50,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:15:50,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:50,648 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 02:15:50,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-03 02:15:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:50,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:15:50,734 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:15:50,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:15:50,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:50,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:50,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:50,736 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:50,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-03 02:15:55,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:55,994 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:15:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:15:56,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:15:56,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:15:56,606 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 02:15:56,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-03 02:15:56,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:15:56,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:15:56,679 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:15:56,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:15:56,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:15:56,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:15:56,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:15:56,681 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:15:56,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-03 02:16:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:02,172 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:02,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:16:02,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:02,770 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 02:16:02,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-03 02:16:02,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:02,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:16:02,837 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:16:02,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:16:02,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:02,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:02,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:02,838 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:02,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-03 02:16:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:08,281 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:08,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:16:08,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:08,885 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 02:16:08,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-03 02:16:08,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:08,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:16:08,950 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:16:08,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:16:08,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:08,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:08,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:08,952 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:08,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-03 02:16:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:14,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:14,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:14,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:16:14,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:14,995 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 02:16:15,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-03 02:16:15,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:15,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:16:15,064 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:16:15,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:16:15,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:15,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:15,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:15,065 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:15,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-03 02:16:20,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:20,287 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:20,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:16:20,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:20,896 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 02:16:20,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-03 02:16:20,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:20,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:16:20,967 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:16:20,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:16:20,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:20,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:20,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:20,968 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:20,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-03 02:16:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:26,473 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:26,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:16:26,973 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:27,104 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 02:16:27,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-03 02:16:27,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:27,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:16:27,176 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:16:27,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:16:27,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:27,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:27,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:27,177 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:27,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-03 02:16:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:32,659 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:33,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:16:33,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:33,273 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 02:16:33,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-03 02:16:33,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:33,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:16:33,349 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:16:33,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:16:33,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:33,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:33,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:33,350 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:33,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-03 02:16:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:38,640 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:39,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:16:39,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:39,263 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 02:16:39,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-03 02:16:39,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:39,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:16:39,336 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:16:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:16:39,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:39,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:39,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:39,337 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:39,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-03 02:16:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:45,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:45,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:16:45,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:45,813 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 02:16:45,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-03 02:16:45,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:45,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:16:45,883 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:16:45,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:16:45,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:45,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:45,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:45,885 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:45,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-03 02:16:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:51,098 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:51,539 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:16:51,541 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:51,654 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 02:16:51,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2023-12-03 02:16:51,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:51,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:16:51,725 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:16:51,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:16:51,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:51,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:51,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:51,726 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:51,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-03 02:16:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:56,947 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:16:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:16:57,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:16:57,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:16:57,525 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 02:16:57,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-03 02:16:57,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:16:57,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:16:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:16:57,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:16:57,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:16:57,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:16:57,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:16:57,596 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:16:57,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-03 02:17:02,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:02,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:03,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:17:03,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:03,401 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 02:17:03,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-03 02:17:03,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:03,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:17:03,470 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:17:03,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:17:03,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:03,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:03,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:03,471 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:03,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-03 02:17:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:09,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:09,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:09,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:17:09,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:09,624 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 02:17:09,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-03 02:17:09,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:09,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:17:09,698 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:17:09,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:17:09,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:09,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:09,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:09,699 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:09,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-03 02:17:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:15,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:15,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:17:15,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:15,878 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 02:17:15,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-03 02:17:15,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:15,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:17:15,951 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:17:15,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:17:15,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:15,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:15,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:15,952 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:15,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-03 02:17:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:21,341 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:21,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:21,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:17:21,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:21,950 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 02:17:21,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-03 02:17:22,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:22,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:17:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:17:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:17:22,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:22,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:22,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:22,021 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:22,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-03 02:17:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:27,594 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:28,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:17:28,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:28,154 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 02:17:28,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-03 02:17:28,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:28,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:17:28,226 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:17:28,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:17:28,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:28,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:28,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:28,228 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:28,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2023-12-03 02:17:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:33,880 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:34,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:17:34,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:34,471 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 02:17:34,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2023-12-03 02:17:34,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:34,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:17:34,544 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:17:34,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:17:34,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:34,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:34,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:34,545 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:34,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2023-12-03 02:17:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:40,052 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:40,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:17:40,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:40,619 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 02:17:40,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2023-12-03 02:17:40,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:40,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:17:40,690 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:17:40,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:17:40,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:40,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:40,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:40,691 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:40,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2023-12-03 02:17:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:46,085 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:46,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:46,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:17:46,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:46,702 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 02:17:46,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2023-12-03 02:17:46,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:46,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:17:46,773 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:17:46,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:17:46,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:46,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:46,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:46,774 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:46,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2023-12-03 02:17:52,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:52,112 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:52,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:17:52,607 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:52,719 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 02:17:52,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2023-12-03 02:17:52,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:52,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:17:52,792 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:17:52,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:17:52,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:52,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:52,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:52,793 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:52,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2023-12-03 02:17:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:58,285 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:17:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:17:58,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:17:58,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:17:58,921 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 02:17:58,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2023-12-03 02:17:58,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:17:58,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:17:58,992 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:17:58,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:17:58,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:17:58,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:17:58,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:17:58,994 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:17:58,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2023-12-03 02:18:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:04,460 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:04,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:18:04,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:05,014 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 02:18:05,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2023-12-03 02:18:05,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:18:05,107 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:18:05,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:18:05,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:05,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:05,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:05,108 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:05,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2023-12-03 02:18:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:10,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:11,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:18:11,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:11,329 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 02:18:11,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2023-12-03 02:18:11,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:11,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:18:11,400 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:18:11,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:18:11,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:11,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:11,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:11,401 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:11,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2023-12-03 02:18:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:17,107 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:18:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:18:17,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 909 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 02:18:17,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:18:17,702 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 02:18:17,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2023-12-03 02:18:17,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:18:17,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 188 states and 461 transitions. [2023-12-03 02:18:17,774 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 461 transitions. [2023-12-03 02:18:17,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-03 02:18:17,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:18:17,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:18:17,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:18:17,776 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:18:17,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a04347d5-2562-478f-bc89-9e6cb9d98179/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process