./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/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_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/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_1db6fd6a-1384-4399-b753-b1580938ebea/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 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:37:25,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:37:25,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:37:25,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:37:25,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:37:25,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:37:25,801 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:37:25,802 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:37:25,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:37:25,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:37:25,805 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:37:25,805 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:37:25,806 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:37:25,806 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:37:25,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:37:25,808 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:37:25,808 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:37:25,809 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:37:25,810 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:37:25,810 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:37:25,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:37:25,812 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:37:25,812 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:37:25,813 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:37:25,813 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:37:25,814 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:37:25,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:37:25,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:37:25,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:37:25,816 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:37:25,816 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:37:25,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:37:25,817 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:37:25,817 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_1db6fd6a-1384-4399-b753-b1580938ebea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd [2023-12-02 23:37:26,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:37:26,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:37:26,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:37:26,100 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:37:26,100 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:37:26,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2023-12-02 23:37:29,085 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:37:29,424 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:37:29,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2023-12-02 23:37:29,455 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/data/ca94d5748/79d3a72e857448898f3e639e55612d04/FLAG6248bcecf [2023-12-02 23:37:29,471 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/data/ca94d5748/79d3a72e857448898f3e639e55612d04 [2023-12-02 23:37:29,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:37:29,475 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:37:29,477 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:37:29,477 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:37:29,482 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:37:29,483 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:37:29" (1/1) ... [2023-12-02 23:37:29,484 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc3e869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:29, skipping insertion in model container [2023-12-02 23:37:29,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:37:29" (1/1) ... [2023-12-02 23:37:29,569 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:37:30,789 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_1db6fd6a-1384-4399-b753-b1580938ebea/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i[71412,71425] [2023-12-02 23:37:31,124 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) [2023-12-02 23:37:31,130 INFO L158 Benchmark]: Toolchain (without parser) took 1654.21ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 82.2MB in the beginning and 144.2MB in the end (delta: -62.0MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-12-02 23:37:31,131 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:37:31,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1651.88ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 81.9MB in the beginning and 144.2MB in the end (delta: -62.3MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2023-12-02 23:37:31,133 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 132.1MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1651.88ms. Allocated memory was 132.1MB in the beginning and 178.3MB in the end (delta: 46.1MB). Free memory was 81.9MB in the beginning and 144.2MB in the end (delta: -62.3MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/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_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/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_1db6fd6a-1384-4399-b753-b1580938ebea/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 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:37:32,984 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:37:33,053 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 23:37:33,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:37:33,082 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:37:33,082 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:37:33,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:37:33,083 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:37:33,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:37:33,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:37:33,085 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:37:33,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:37:33,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:37:33,086 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:37:33,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:37:33,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:37:33,088 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:37:33,089 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:37:33,089 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:37:33,090 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:37:33,090 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:37:33,091 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:37:33,092 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:37:33,092 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:37:33,093 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:37:33,093 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:33,094 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:37:33,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:37:33,095 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:37:33,095 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:37:33,095 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:37:33,096 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:37:33,096 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:37:33,096 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:33,097 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:37:33,097 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:37:33,097 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:37:33,097 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_1db6fd6a-1384-4399-b753-b1580938ebea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 55174c4178047903f4f74454f4f3f9d1fe82d770846e2b64f07d4e33aea55dbd [2023-12-02 23:37:33,416 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:37:33,438 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:37:33,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:37:33,442 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:37:33,442 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:37:33,444 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2023-12-02 23:37:36,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:37:36,676 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:37:36,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i [2023-12-02 23:37:36,711 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/data/397fcdd02/983525f992d247d99d5e75c8af00eb45/FLAG108ebdcfa [2023-12-02 23:37:36,731 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/data/397fcdd02/983525f992d247d99d5e75c8af00eb45 [2023-12-02 23:37:36,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:37:36,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:37:36,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:37:36,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:37:36,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:37:36,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:37:36" (1/1) ... [2023-12-02 23:37:36,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4857c128 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:36, skipping insertion in model container [2023-12-02 23:37:36,746 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:37:36" (1/1) ... [2023-12-02 23:37:36,844 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:37:37,844 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_1db6fd6a-1384-4399-b753-b1580938ebea/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i[71412,71425] [2023-12-02 23:37:38,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:37:38,144 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 23:37:38,167 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:37:38,213 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_1db6fd6a-1384-4399-b753-b1580938ebea/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i[71412,71425] [2023-12-02 23:37:38,314 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:37:38,320 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:37:38,355 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_1db6fd6a-1384-4399-b753-b1580938ebea/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_0_safe.c-amalgamation.i[71412,71425] [2023-12-02 23:37:38,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:37:38,682 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:37:38,682 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:37:38,682 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:37:38,682 WARN L675 CHandler]: The function recurrent_activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:37:38,683 WARN L675 CHandler]: The function output_activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:37:38,691 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:37:38,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:38 WrapperNode [2023-12-02 23:37:38,691 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:37:38,692 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:37:38,693 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:37:38,693 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:37:38,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:38" (1/1) ... [2023-12-02 23:37:38,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:38" (1/1) ... [2023-12-02 23:37:38,811 INFO L138 Inliner]: procedures = 780, calls = 751, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 389 [2023-12-02 23:37:38,812 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:37:38,813 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:37:38,813 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:37:38,813 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:37:38,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:38" (1/1) ... [2023-12-02 23:37:38,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:38" (1/1) ... [2023-12-02 23:37:38,832 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:38" (1/1) ... [2023-12-02 23:37:38,832 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:38" (1/1) ... [2023-12-02 23:37:38,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:38" (1/1) ... [2023-12-02 23:37:38,878 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:38" (1/1) ... [2023-12-02 23:37:38,885 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:38" (1/1) ... [2023-12-02 23:37:38,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:38" (1/1) ... [2023-12-02 23:37:38,899 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:37:38,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:37:38,900 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:37:38,900 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:37:38,901 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:37:38" (1/1) ... [2023-12-02 23:37:38,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:37:38,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:37:38,931 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:37:38,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:37:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 23:37:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2023-12-02 23:37:38,971 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2023-12-02 23:37:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-02 23:37:38,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:37:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 23:37:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:37:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:37:38,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 23:37:38,972 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 23:37:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:37:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 23:37:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2023-12-02 23:37:38,973 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2023-12-02 23:37:38,973 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 23:37:38,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 23:37:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:37:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:37:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 23:37:38,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 23:37:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2023-12-02 23:37:38,975 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2023-12-02 23:37:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 23:37:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 23:37:38,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 23:37:39,194 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:37:39,198 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:37:54,323 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:37:54,694 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:37:54,695 INFO L309 CfgBuilder]: Removed 20 assume(true) statements. [2023-12-02 23:37:54,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:37:54 BoogieIcfgContainer [2023-12-02 23:37:54,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:37:54,697 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:37:54,697 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:37:54,707 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:37:54,707 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:37:54" (1/1) ... [2023-12-02 23:37:54,716 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:37:54,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:37:54,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2023-12-02 23:37:54,772 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2023-12-02 23:37:54,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:37:54,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:37:54,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:37:54,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:37:54,776 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:37:54,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:37:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:55,498 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:37:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:37:56,105 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:37:56,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:37:56,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:37:56,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:38:06,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:38:06,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:38:06,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 109 transitions. [2023-12-02 23:38:06,651 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2023-12-02 23:38:06,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:38:06,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:38:06,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:38:06,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:38:06,653 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:38:06,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:40:04,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:04,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:40:04,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:04,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 23:40:04,801 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 27 [2023-12-02 23:40:04,810 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 [2023-12-02 23:40:05,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 131 treesize of output 103 [2023-12-02 23:40:05,133 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 23:40:05,136 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 87 [2023-12-02 23:40:05,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:05,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:40:16,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:40:18,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:18,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 77 states and 123 transitions. [2023-12-02 23:40:18,158 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 123 transitions. [2023-12-02 23:40:18,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:40:18,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:18,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:18,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:18,163 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:18,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 23:40:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:18,974 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:19,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:40:19,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:19,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:19,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 23:40:19,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:19,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 78 states and 124 transitions. [2023-12-02 23:40:19,627 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 124 transitions. [2023-12-02 23:40:19,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:40:19,628 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:19,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:19,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:19,629 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:19,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 23:40:20,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:20,246 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:20,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:40:20,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:21,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:21,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 23:40:31,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:40:36,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:36,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 83 states and 137 transitions. [2023-12-02 23:40:36,539 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 137 transitions. [2023-12-02 23:40:36,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 23:40:36,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:36,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:36,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:36,543 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:36,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 23:40:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:37,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:37,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:40:37,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:38,006 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:40:38,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 23:40:39,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:40:41,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:41,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 86 states and 145 transitions. [2023-12-02 23:40:41,821 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 145 transitions. [2023-12-02 23:40:41,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 23:40:41,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:41,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:41,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:41,824 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:41,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 23:40:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:42,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:43,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:43,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 888 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 23:40:43,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:40:43,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 23:40:44,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:44,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 88 states and 151 transitions. [2023-12-02 23:40:44,131 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 151 transitions. [2023-12-02 23:40:44,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 23:40:44,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:44,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:44,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:44,136 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:44,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 23:40:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:44,888 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:45,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:45,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:40:45,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:46,489 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:40:46,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 23:40:47,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:47,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 90 states and 156 transitions. [2023-12-02 23:40:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 156 transitions. [2023-12-02 23:40:47,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:40:47,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:47,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:47,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:47,899 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:47,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 23:40:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:48,658 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:49,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:40:49,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:49,242 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 23:40:49,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 23:40:50,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:50,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 95 states and 164 transitions. [2023-12-02 23:40:50,142 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 164 transitions. [2023-12-02 23:40:50,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:40:50,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:50,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:50,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:50,145 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:50,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 23:40:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:50,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:51,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:40:51,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:51,480 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-02 23:40:51,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-12-02 23:40:51,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:51,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 88 states and 146 transitions. [2023-12-02 23:40:51,922 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 146 transitions. [2023-12-02 23:40:51,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:40:51,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:51,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:51,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:51,925 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:51,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 23:40:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:52,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:53,195 INFO L262 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:40:53,197 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:53,264 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 23:40:53,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 23:40:56,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:56,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 94 states and 160 transitions. [2023-12-02 23:40:56,288 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2023-12-02 23:40:56,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 23:40:56,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:56,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:56,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:56,291 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:56,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 23:40:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:57,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:57,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 896 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 23:40:57,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:57,808 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-02 23:40:57,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 23:40:57,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:40:57,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 94 states and 159 transitions. [2023-12-02 23:40:57,866 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 159 transitions. [2023-12-02 23:40:57,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:40:57,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:40:57,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:40:57,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:40:57,869 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:40:57,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 23:40:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:58,751 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:40:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:40:59,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 23:40:59,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:40:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:40:59,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 23:41:01,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:01,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 96 states and 161 transitions. [2023-12-02 23:41:01,243 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 161 transitions. [2023-12-02 23:41:01,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:41:01,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:01,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:41:01,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:41:01,245 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:41:01,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 23:41:04,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:04,631 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:41:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:05,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:41:05,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:07,395 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:41:07,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 23:41:19,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 23:41:33,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 23:41:47,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:47,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:41:47,686 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:41:47,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:41:47,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:47,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:41:47,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:41:47,688 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:41:47,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 23:41:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:51,444 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:41:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:51,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:41:51,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:52,128 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:41:52,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 23:41:52,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:52,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:41:52,170 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:41:52,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:41:52,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:52,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:41:52,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:41:52,173 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:41:52,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 23:41:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:56,007 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:41:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:41:56,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:41:56,569 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:41:56,728 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:41:56,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 23:41:56,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:41:56,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:41:56,768 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:41:56,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:41:56,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:41:56,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:41:56,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:41:56,770 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:41:56,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 23:42:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:00,713 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:01,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:42:01,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:01,572 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:42:01,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-02 23:42:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:01,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:42:01,619 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:42:01,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:42:01,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:01,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:01,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:01,622 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:01,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 23:42:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:05,463 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:06,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:42:06,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:06,323 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:42:06,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 23:42:06,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:06,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:42:06,367 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:42:06,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:42:06,368 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:06,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:06,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:06,369 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:06,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 23:42:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:10,540 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:11,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:11,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:42:11,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:11,284 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:42:11,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 23:42:11,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:11,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:42:11,325 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:42:11,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:42:11,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:11,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:11,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:11,327 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:11,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 23:42:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:15,251 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:15,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:42:15,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:16,019 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:42:16,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 23:42:16,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:16,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:42:16,063 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:42:16,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:42:16,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:16,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:16,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:16,065 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:16,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 23:42:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:19,985 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:20,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:20,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:42:20,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:20,680 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:42:20,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 23:42:20,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:20,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:42:20,722 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:42:20,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:42:20,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:20,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:20,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:20,724 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:20,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 23:42:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:24,889 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:25,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:42:25,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:25,582 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:42:25,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 23:42:25,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:25,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:42:25,621 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:42:25,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:42:25,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:25,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:25,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:25,623 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:25,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 23:42:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:29,542 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:30,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:42:30,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:30,292 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:42:30,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 23:42:30,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:30,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:42:30,334 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:42:30,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:42:30,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:30,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:30,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:30,337 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:30,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 23:42:34,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:34,534 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:35,067 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:42:35,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:35,230 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:42:35,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 23:42:35,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:35,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:42:35,270 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:42:35,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:42:35,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:35,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:35,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:35,272 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:35,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 23:42:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:39,587 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:40,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:42:40,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:40,286 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:42:40,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 23:42:40,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:40,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:42:40,326 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:42:40,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:42:40,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:40,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:40,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:40,328 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:40,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 23:42:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:44,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:44,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:44,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:42:44,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:45,077 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:42:45,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 23:42:45,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:45,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:42:45,124 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:42:45,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:42:45,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:45,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:45,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:45,126 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:45,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 23:42:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:49,622 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:50,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:42:50,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:50,349 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:42:50,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2023-12-02 23:42:50,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:50,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:42:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:42:50,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:42:50,416 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:50,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:50,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:50,418 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:50,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 23:42:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:54,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:42:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:55,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:42:55,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:42:55,371 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:42:55,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 23:42:55,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:42:55,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:42:55,418 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:42:55,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:42:55,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:42:55,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:42:55,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:42:55,420 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:42:55,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 23:42:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:42:59,728 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:00,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:43:00,362 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:00,527 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:43:00,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 23:43:00,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:00,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:43:00,579 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:43:00,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:43:00,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:00,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:00,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:00,581 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:00,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 23:43:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:04,764 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:05,349 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:43:05,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:05,485 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:43:05,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 23:43:05,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:05,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:43:05,537 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:43:05,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:43:05,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:05,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:05,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:05,539 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:05,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 23:43:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:10,166 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:10,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:43:10,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:10,860 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:43:10,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 23:43:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:43:10,901 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:43:10,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:43:10,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:10,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:10,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:10,903 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:10,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 23:43:15,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:15,429 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:16,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:43:16,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:16,172 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:43:16,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 23:43:16,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:16,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:43:16,223 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:43:16,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:43:16,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:16,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:16,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:16,226 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:16,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 23:43:20,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:20,800 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:21,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:21,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:43:21,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:21,626 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:43:21,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 23:43:21,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:21,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:43:21,678 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:43:21,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:43:21,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:21,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:21,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:21,681 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:21,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 23:43:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:25,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:26,517 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:43:26,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:26,672 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:43:26,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2023-12-02 23:43:26,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:26,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:43:26,721 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:43:26,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:43:26,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:26,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:26,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:26,723 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:26,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 23:43:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:31,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:32,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:32,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:43:32,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:32,229 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:43:32,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-02 23:43:32,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:32,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:43:32,286 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:43:32,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:43:32,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:32,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:32,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:32,288 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:32,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 23:43:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:36,774 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:37,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:37,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:43:37,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:37,602 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:43:37,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 23:43:37,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:37,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:43:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:43:37,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:43:37,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:37,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:37,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:37,658 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:37,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 23:43:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:42,465 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:43,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:43,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:43:43,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:43,247 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:43:43,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-02 23:43:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:43,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:43:43,299 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:43:43,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:43:43,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:43,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:43,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:43,302 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:43,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 23:43:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:48,043 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:48,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:43:48,690 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:48,846 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:43:48,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-02 23:43:48,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:48,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:43:48,899 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:43:48,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:43:48,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:48,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:48,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:48,901 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:48,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 23:43:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:53,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:54,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:43:54,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:54,161 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:43:54,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 23:43:54,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:54,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:43:54,213 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:43:54,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:43:54,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:54,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:54,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:54,215 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:54,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 23:43:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:59,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:43:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:43:59,652 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:43:59,654 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:43:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:43:59,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 23:43:59,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:43:59,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:43:59,840 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:43:59,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:43:59,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:43:59,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:43:59,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:43:59,842 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:43:59,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 23:44:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:04,460 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:05,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:44:05,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:05,238 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:44:05,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 23:44:05,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:05,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:44:05,292 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:44:05,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:44:05,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:05,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:05,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:05,294 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:05,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 23:44:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:10,215 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:10,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:10,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:44:10,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:11,029 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:44:11,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2023-12-02 23:44:11,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:11,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:44:11,086 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:44:11,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:44:11,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:11,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:11,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:11,088 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:11,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 23:44:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:15,843 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:16,530 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:44:16,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:16,680 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:44:16,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 23:44:16,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:16,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:44:16,739 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:44:16,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:44:16,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:16,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:16,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:16,741 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:16,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 23:44:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:21,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:21,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:44:21,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:22,133 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:44:22,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 23:44:22,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:22,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:44:22,186 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:44:22,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:44:22,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:22,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:22,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:22,188 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:22,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 23:44:27,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:27,101 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:27,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:27,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:44:27,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:27,922 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:44:27,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 23:44:28,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:28,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:44:28,006 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:44:28,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:44:28,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:28,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:28,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:28,007 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:28,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 23:44:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:33,199 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:33,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:44:33,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:34,020 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:44:34,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 23:44:34,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:34,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:44:34,077 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:44:34,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:44:34,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:34,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:34,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:34,079 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:34,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 23:44:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:39,280 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:39,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:39,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:44:39,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:44:40,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 23:44:40,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:40,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:44:40,050 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:44:40,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:44:40,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:40,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:40,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:40,052 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:40,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 23:44:44,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:44,709 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:45,327 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:44:45,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:45,484 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:44:45,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 23:44:45,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:45,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:44:45,540 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:44:45,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:44:45,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:45,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:45,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:45,542 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:45,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 23:44:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:50,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:50,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:44:50,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:50,862 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:44:50,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2023-12-02 23:44:50,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:50,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:44:50,921 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:44:50,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:44:50,922 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:50,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:50,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:50,923 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:50,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 23:44:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:55,788 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:44:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:44:56,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:44:56,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:44:56,609 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:44:56,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 23:44:56,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:44:56,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:44:56,669 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:44:56,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:44:56,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:44:56,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:44:56,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:44:56,671 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:44:56,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 23:45:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:01,672 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:02,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:45:02,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:02,460 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:45:02,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 23:45:02,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:02,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:45:02,515 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:45:02,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:45:02,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:02,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:02,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:02,516 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:02,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 23:45:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:07,478 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:08,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:45:08,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:08,278 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:45:08,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-02 23:45:08,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:08,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:45:08,336 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:45:08,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:45:08,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:08,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:08,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:08,338 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:08,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 23:45:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:13,596 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:14,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:45:14,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:14,395 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:45:14,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 23:45:14,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:14,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:45:14,458 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:45:14,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:45:14,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:14,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:14,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:14,461 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:14,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 23:45:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:19,485 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:20,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:45:20,131 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:20,286 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:45:20,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 23:45:20,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:20,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:45:20,346 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:45:20,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:45:20,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:20,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:20,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:20,348 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:20,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 23:45:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:25,520 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:26,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:26,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:45:26,175 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:26,331 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:45:26,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 23:45:26,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:26,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:45:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:45:26,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:45:26,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:26,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:26,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:26,395 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:26,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 23:45:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:31,249 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:31,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:45:31,822 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:31,989 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:45:32,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 23:45:32,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:45:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:45:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:45:32,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:32,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:32,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:32,051 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:32,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 23:45:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:37,368 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:37,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:45:38,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:45:38,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 23:45:38,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:38,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:45:38,230 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:45:38,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:45:38,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:38,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:38,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:38,232 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:38,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 23:45:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:43,494 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:44,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:45:44,045 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:44,192 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:45:44,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 23:45:44,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:44,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:45:44,246 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:45:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:45:44,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:44,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:44,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:44,247 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:44,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 23:45:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:49,485 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:50,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:45:50,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:50,235 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:45:50,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 23:45:50,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:50,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:45:50,306 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:45:50,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:45:50,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:50,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:50,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:50,308 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:50,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 23:45:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:55,420 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:45:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:55,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:45:55,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:45:56,105 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:45:56,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 23:45:56,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:56,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:45:56,163 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:45:56,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:45:56,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:56,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:45:56,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:45:56,165 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:45:56,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 23:46:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:01,091 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:01,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:01,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:46:01,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:01,837 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:46:01,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-02 23:46:01,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:01,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:46:01,903 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:46:01,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:46:01,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:01,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:01,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:01,905 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:01,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 23:46:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:07,140 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:07,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:46:07,691 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:07,836 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:46:07,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2023-12-02 23:46:07,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:46:07,894 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:46:07,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:46:07,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:07,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:07,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:07,895 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:07,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 23:46:13,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:13,159 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:13,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:46:13,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:46:13,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 23:46:13,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:13,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:46:13,891 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:46:13,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:46:13,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:13,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:13,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:13,893 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:13,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 23:46:19,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:19,426 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:19,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:19,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:46:19,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:20,108 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:46:20,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 23:46:20,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:20,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:46:20,167 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:46:20,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:46:20,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:20,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:20,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:20,169 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:20,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 23:46:25,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:25,220 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:25,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:46:25,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:25,960 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:46:26,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 23:46:26,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:26,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:46:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:46:26,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:46:26,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:26,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:26,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:26,028 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:26,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 23:46:30,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:30,971 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:31,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:46:31,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:31,776 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:46:31,816 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 23:46:31,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:31,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:46:31,848 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:46:31,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:46:31,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:31,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:31,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:31,849 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:31,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 23:46:36,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:36,898 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:37,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:46:37,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:37,693 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:46:37,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 23:46:37,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:37,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:46:37,762 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:46:37,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:46:37,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:37,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:37,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:37,763 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:37,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 23:46:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:42,859 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:43,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:46:43,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:46:43,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 23:46:43,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:43,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:46:43,720 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:46:43,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:46:43,720 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:43,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:43,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:43,721 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:43,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 23:46:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:49,134 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:49,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:46:49,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:49,951 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:46:49,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 23:46:50,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:50,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:46:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:46:50,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:46:50,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:50,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:50,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:50,024 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:50,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 23:46:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:55,665 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:46:56,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:46:56,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:46:56,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:46:56,369 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:46:56,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 23:46:56,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:46:56,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:46:56,448 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:46:56,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:46:56,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:46:56,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:46:56,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:46:56,450 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:46:56,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 23:47:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:01,155 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:01,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:47:01,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:01,803 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:47:01,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-02 23:47:01,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:01,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:47:01,865 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:47:01,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:47:01,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:01,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:01,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:01,866 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:01,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 23:47:06,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:06,860 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:07,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:47:07,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:47:07,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2023-12-02 23:47:07,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:07,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:47:07,737 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:47:07,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:47:07,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:07,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:07,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:07,738 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:07,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 23:47:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:13,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:14,264 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:47:14,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:14,419 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:47:14,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-02 23:47:14,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:14,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:47:14,487 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:47:14,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:47:14,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:14,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:14,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:14,488 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:14,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 23:47:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:19,873 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:20,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:47:20,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:20,615 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:47:20,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-02 23:47:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:20,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:47:20,689 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:47:20,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:47:20,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:20,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:20,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:20,691 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:20,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 23:47:26,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:26,474 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:27,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:47:27,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:27,294 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:47:27,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 23:47:27,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:27,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:47:27,358 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:47:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:47:27,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:27,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:27,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:27,359 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:27,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 23:47:33,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:33,263 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:33,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:47:33,863 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:34,005 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:47:34,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 23:47:34,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:34,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:47:34,068 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:47:34,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:47:34,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:34,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:34,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:34,069 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:34,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 23:47:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:39,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:40,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:40,193 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:47:40,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:40,346 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:47:40,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 23:47:40,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:40,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:47:40,414 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:47:40,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:47:40,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:40,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:40,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:40,415 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:40,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 23:47:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:46,468 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:47,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:47:47,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:47,153 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:47:47,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-02 23:47:47,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:47,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:47:47,204 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:47:47,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:47:47,204 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:47,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:47,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:47,205 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:47,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 23:47:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:52,440 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:52,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:47:52,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:47:53,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 23:47:53,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:53,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:47:53,186 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:47:53,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:47:53,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:53,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:53,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:53,187 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:53,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 23:47:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:58,389 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:47:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:47:58,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:47:58,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:47:59,103 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:47:59,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 23:47:59,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:47:59,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:47:59,168 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:47:59,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:47:59,168 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:47:59,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:47:59,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:47:59,169 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:47:59,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 23:48:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:05,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:05,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:48:05,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:05,817 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:48:05,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-02 23:48:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:05,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:48:05,875 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:48:05,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:48:05,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:05,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:05,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:05,877 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:05,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 23:48:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:11,597 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:12,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:48:12,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:12,363 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:48:12,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-02 23:48:12,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:12,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:48:12,421 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:48:12,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:48:12,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:12,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:12,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:12,423 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:12,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 23:48:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:18,524 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:19,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:48:19,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:19,225 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:48:19,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 23:48:19,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:19,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:48:19,293 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:48:19,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:48:19,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:19,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:19,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:19,295 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:19,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 23:48:25,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:25,529 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:26,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:48:26,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:26,308 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:48:26,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 23:48:26,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:26,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:48:26,376 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:48:26,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:48:26,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:26,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:26,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:26,378 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:26,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 23:48:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:32,181 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:32,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:32,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:48:32,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:33,031 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:48:33,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 23:48:33,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:33,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:48:33,090 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:48:33,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:48:33,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:33,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:33,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:33,092 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:33,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 23:48:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:38,882 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:39,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:48:39,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:39,720 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:48:39,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-02 23:48:39,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:39,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:48:39,779 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:48:39,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:48:39,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:39,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:39,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:39,780 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:39,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 23:48:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:46,386 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:47,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:48:47,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:47,229 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:48:47,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:47,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:47,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:48:47,293 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:48:47,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:48:47,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:47,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:47,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:47,295 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:47,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 23:48:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:53,338 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:54,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:48:54,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:54,195 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:48:54,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2023-12-02 23:48:54,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:54,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:48:54,268 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:48:54,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:48:54,268 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:54,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:54,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:54,269 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:54,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 23:49:00,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:00,361 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:01,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:49:01,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:01,167 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:49:01,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-02 23:49:01,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:01,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:49:01,228 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:49:01,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:49:01,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:01,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:01,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:01,229 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:01,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 23:49:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:06,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:07,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:49:07,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:07,549 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:49:07,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-02 23:49:07,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:07,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:49:07,606 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:49:07,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:49:07,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:07,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:07,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:07,607 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:07,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 23:49:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:13,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:13,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:49:13,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:13,811 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:49:13,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-02 23:49:13,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:13,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:49:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:49:13,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:49:13,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:13,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:13,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:13,873 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:13,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 23:49:19,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:19,791 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:20,399 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:49:20,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:20,548 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:49:20,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 23:49:20,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:20,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:49:20,617 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:49:20,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:49:20,618 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:20,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:20,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:20,619 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:20,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 23:49:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:26,391 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:27,132 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:49:27,135 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:27,287 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:49:27,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-02 23:49:27,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:27,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:49:27,348 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:49:27,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:49:27,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:27,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:27,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:27,350 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:27,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 23:49:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:33,697 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:34,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:34,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:49:34,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:34,588 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:49:34,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-02 23:49:34,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:34,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:49:34,652 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:49:34,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:49:34,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:34,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:34,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:34,654 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:34,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 23:49:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:40,620 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:41,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:41,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:49:41,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:49:41,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-02 23:49:41,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:41,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:49:41,443 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:49:41,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:49:41,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:41,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:41,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:41,445 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:41,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 23:49:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:47,777 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:48,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:49:48,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:48,595 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:49:48,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-02 23:49:48,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:48,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:49:48,677 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:49:48,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:49:48,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:48,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:48,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:48,679 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:48,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 23:49:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:55,461 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:49:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:49:56,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:49:56,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:49:56,295 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:49:56,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 23:49:56,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:49:56,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:49:56,359 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:49:56,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:49:56,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:49:56,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:49:56,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:49:56,361 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:49:56,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 23:50:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:02,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:03,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:50:03,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:03,699 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:50:03,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2023-12-02 23:50:03,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:03,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:50:03,777 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:50:03,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:50:03,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:03,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:03,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:03,779 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:03,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 23:50:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:10,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:10,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:10,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:50:10,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:11,078 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:50:11,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 23:50:11,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:11,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:50:11,151 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:50:11,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:50:11,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:11,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:11,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:11,153 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:11,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 23:50:17,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:17,373 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:17,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:50:17,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:50:18,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-02 23:50:18,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:50:18,143 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:50:18,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:50:18,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:18,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:18,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:18,145 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:18,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 23:50:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:24,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:25,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:50:25,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:50:25,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 23:50:25,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:25,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:50:25,366 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:50:25,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:50:25,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:25,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:25,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:25,368 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:25,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 23:50:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:31,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:31,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:50:31,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:32,104 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:50:32,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 23:50:32,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:32,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:50:32,175 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:50:32,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:50:32,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:32,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:32,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:32,176 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:32,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 23:50:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:38,569 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:39,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:39,192 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:50:39,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:39,335 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:50:39,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 23:50:39,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:39,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:50:39,394 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:50:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:50:39,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:39,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:39,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:39,396 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:39,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 23:50:45,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:45,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:46,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:50:46,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:46,813 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:50:46,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-02 23:50:46,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:46,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:50:46,889 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:50:46,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:50:46,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:46,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:46,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:46,891 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:46,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 23:50:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:53,623 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:50:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:50:54,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:50:54,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:50:54,318 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:50:54,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-02 23:50:54,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:50:54,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:50:54,384 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:50:54,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:50:54,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:50:54,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:50:54,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:50:54,385 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:50:54,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 23:51:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:01,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:01,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:51:01,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:01,884 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:51:01,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 23:51:01,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:01,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:51:01,952 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:51:01,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:51:01,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:01,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:01,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:01,953 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:01,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 23:51:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:08,765 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:09,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:51:09,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:09,559 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:51:09,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 23:51:09,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:09,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:51:09,626 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:51:09,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:51:09,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:09,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:09,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:09,628 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:09,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 23:51:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:16,512 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:17,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:51:17,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:17,379 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:51:17,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-02 23:51:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:17,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:51:17,448 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:51:17,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:51:17,449 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:17,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:17,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:17,450 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:17,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 23:51:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:24,165 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:24,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:51:24,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:25,002 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:51:25,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-02 23:51:25,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:25,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:51:25,087 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:51:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:51:25,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:25,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:25,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:25,088 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:25,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 23:51:31,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:31,167 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:31,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:51:31,730 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:31,884 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:51:31,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-02 23:51:31,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:31,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:51:31,958 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:51:31,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:51:31,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:31,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:31,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:31,960 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:31,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 23:51:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:38,432 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:39,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:51:39,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:39,157 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:51:39,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-02 23:51:39,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:39,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:51:39,223 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:51:39,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:51:39,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:39,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:39,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:39,225 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:39,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 23:51:46,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:46,089 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:51:46,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:51:46,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 23:51:46,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:51:46,992 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:51:47,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2023-12-02 23:51:47,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:51:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 107 states and 196 transitions. [2023-12-02 23:51:47,082 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 196 transitions. [2023-12-02 23:51:47,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 23:51:47,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:51:47,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:51:47,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:51:47,084 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:51:47,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1db6fd6a-1384-4399-b753-b1580938ebea/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process