./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/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_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/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_02d96308-8b93-4404-80ae-a67ca8bd22a0/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 d1cac01fa00eec7ba09dac017b4f1bf777e56e06445761e6fc17e1f9e6340f3c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:56:08,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:56:08,455 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 20:56:08,459 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 20:56:08,460 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 20:56:08,487 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:56:08,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:56:08,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:56:08,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:56:08,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:56:08,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:56:08,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:56:08,491 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:56:08,492 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 20:56:08,492 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:56:08,493 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:56:08,493 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:56:08,494 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:56:08,494 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:56:08,495 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:56:08,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:56:08,496 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:56:08,496 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:56:08,497 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:56:08,497 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:56:08,498 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:56:08,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:56:08,498 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:56:08,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:56:08,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:56:08,500 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 20:56:08,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 20:56:08,500 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:56:08,501 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_02d96308-8b93-4404-80ae-a67ca8bd22a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1cac01fa00eec7ba09dac017b4f1bf777e56e06445761e6fc17e1f9e6340f3c [2023-12-02 20:56:08,712 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:56:08,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:56:08,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:56:08,752 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:56:08,755 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:56:08,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i [2023-12-02 20:56:11,490 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:56:11,838 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:56:11,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i [2023-12-02 20:56:11,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/data/17c1a0a4d/46c5c69ef68f45139c4371209cdfa3ab/FLAG7c800238d [2023-12-02 20:56:11,885 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/data/17c1a0a4d/46c5c69ef68f45139c4371209cdfa3ab [2023-12-02 20:56:11,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:56:11,889 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:56:11,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:56:11,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:56:11,895 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:56:11,896 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:11" (1/1) ... [2023-12-02 20:56:11,898 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38c90b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:11, skipping insertion in model container [2023-12-02 20:56:11,898 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:11" (1/1) ... [2023-12-02 20:56:11,964 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:56:12,864 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_02d96308-8b93-4404-80ae-a67ca8bd22a0/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i[71411,71424] [2023-12-02 20:56:13,078 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 20:56:13,083 INFO L158 Benchmark]: Toolchain (without parser) took 1193.27ms. Allocated memory is still 146.8MB. Free memory was 108.6MB in the beginning and 80.5MB in the end (delta: 28.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 20:56:13,084 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 20:56:13,084 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1190.94ms. Allocated memory is still 146.8MB. Free memory was 108.0MB in the beginning and 80.5MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 20:56:13,086 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 113.2MB. Free memory is still 87.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1190.94ms. Allocated memory is still 146.8MB. Free memory was 108.0MB in the beginning and 80.5MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/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_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/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_02d96308-8b93-4404-80ae-a67ca8bd22a0/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 d1cac01fa00eec7ba09dac017b4f1bf777e56e06445761e6fc17e1f9e6340f3c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 20:56:14,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 20:56:14,944 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 20:56:14,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 20:56:14,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 20:56:14,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 20:56:14,979 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 20:56:14,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 20:56:14,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 20:56:14,980 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 20:56:14,981 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 20:56:14,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 20:56:14,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 20:56:14,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 20:56:14,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 20:56:14,984 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 20:56:14,984 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 20:56:14,985 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 20:56:14,985 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 20:56:14,986 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 20:56:14,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 20:56:14,987 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 20:56:14,987 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 20:56:14,988 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 20:56:14,988 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 20:56:14,989 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:14,989 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 20:56:14,989 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 20:56:14,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:56:14,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 20:56:14,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 20:56:14,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 20:56:14,991 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 20:56:14,991 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:14,992 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 20:56:14,992 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 20:56:14,992 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 20:56:14,992 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_02d96308-8b93-4404-80ae-a67ca8bd22a0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1cac01fa00eec7ba09dac017b4f1bf777e56e06445761e6fc17e1f9e6340f3c [2023-12-02 20:56:15,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 20:56:15,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 20:56:15,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 20:56:15,314 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 20:56:15,315 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 20:56:15,316 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i [2023-12-02 20:56:18,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 20:56:18,462 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 20:56:18,463 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i [2023-12-02 20:56:18,492 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/data/fc2883f1c/68b5f581b5bf479a989eaab891d52542/FLAG95cb4d4ab [2023-12-02 20:56:18,507 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/data/fc2883f1c/68b5f581b5bf479a989eaab891d52542 [2023-12-02 20:56:18,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 20:56:18,511 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 20:56:18,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 20:56:18,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 20:56:18,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 20:56:18,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:18" (1/1) ... [2023-12-02 20:56:18,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@828c83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:18, skipping insertion in model container [2023-12-02 20:56:18,520 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:56:18" (1/1) ... [2023-12-02 20:56:18,589 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:56:19,580 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_02d96308-8b93-4404-80ae-a67ca8bd22a0/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i[71411,71424] [2023-12-02 20:56:19,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:56:19,950 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-02 20:56:19,974 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 20:56:20,003 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_02d96308-8b93-4404-80ae-a67ca8bd22a0/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i[71411,71424] [2023-12-02 20:56:20,117 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:56:20,123 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 20:56:20,164 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_02d96308-8b93-4404-80ae-a67ca8bd22a0/sv-benchmarks/c/neural-networks/softsign_w4_r1_case_1_safe.c-amalgamation.i[71411,71424] [2023-12-02 20:56:20,252 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 20:56:20,552 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:56:20,552 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:56:20,552 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:56:20,553 WARN L675 CHandler]: The function recurrent_activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:56:20,553 WARN L675 CHandler]: The function output_activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 20:56:20,561 INFO L206 MainTranslator]: Completed translation [2023-12-02 20:56:20,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20 WrapperNode [2023-12-02 20:56:20,562 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 20:56:20,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 20:56:20,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 20:56:20,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 20:56:20,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2023-12-02 20:56:20,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2023-12-02 20:56:20,704 INFO L138 Inliner]: procedures = 779, calls = 757, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 393 [2023-12-02 20:56:20,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 20:56:20,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 20:56:20,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 20:56:20,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 20:56:20,715 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2023-12-02 20:56:20,715 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2023-12-02 20:56:20,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2023-12-02 20:56:20,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2023-12-02 20:56:20,754 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2023-12-02 20:56:20,761 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2023-12-02 20:56:20,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2023-12-02 20:56:20,773 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2023-12-02 20:56:20,782 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 20:56:20,783 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 20:56:20,783 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 20:56:20,783 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 20:56:20,784 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:56:20" (1/1) ... [2023-12-02 20:56:20,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 20:56:20,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 20:56:20,814 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 20:56:20,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 20:56:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 20:56:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2023-12-02 20:56:20,846 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2023-12-02 20:56:20,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 20:56:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 20:56:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 20:56:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 20:56:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-02 20:56:20,847 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-02 20:56:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 20:56:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 20:56:20,847 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2023-12-02 20:56:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2023-12-02 20:56:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 20:56:20,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-02 20:56:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 20:56:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 20:56:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 20:56:20,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 20:56:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2023-12-02 20:56:20,849 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2023-12-02 20:56:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 20:56:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 20:56:20,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-02 20:56:21,034 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 20:56:21,036 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 20:56:30,412 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 20:56:30,822 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 20:56:30,823 INFO L309 CfgBuilder]: Removed 20 assume(true) statements. [2023-12-02 20:56:30,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:30 BoogieIcfgContainer [2023-12-02 20:56:30,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 20:56:30,825 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 20:56:30,826 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 20:56:30,836 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 20:56:30,836 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:56:30" (1/1) ... [2023-12-02 20:56:30,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 20:56:30,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:56:30,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2023-12-02 20:56:30,903 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2023-12-02 20:56:30,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 20:56:30,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:56:30,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:30,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:56:30,908 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:56:30,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 20:56:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:31,668 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:56:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:56:32,222 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:56:32,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:56:32,389 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 20:56:32,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 20:56:36,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:56:36,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:56:36,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 109 transitions. [2023-12-02 20:56:36,953 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2023-12-02 20:56:36,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 20:56:36,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:56:36,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:56:36,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:56:36,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:56:36,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 20:57:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:57:34,559 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:57:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:57:34,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-02 20:57:35,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:57:35,125 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-12-02 20:57:35,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 28 [2023-12-02 20:57:35,647 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 20:57:35,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 20:57:39,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:57:50,992 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 20:57:52,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:57:52,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 122 transitions. [2023-12-02 20:57:52,121 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 122 transitions. [2023-12-02 20:57:52,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 20:57:52,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:57:52,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:57:52,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:57:52,125 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:57:52,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 20:58:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:47,045 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:58:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:58:47,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 693 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 20:58:47,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:58:47,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 20:58:47,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 38 [2023-12-02 20:58:47,527 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 20:58:47,957 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 20:58:47,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 140 treesize of output 44 [2023-12-02 20:58:48,225 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 20:58:48,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-12-02 20:58:52,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:59:03,732 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:59:05,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:05,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 82 states and 135 transitions. [2023-12-02 20:59:05,709 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2023-12-02 20:59:05,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 20:59:05,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:05,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:05,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:05,713 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:05,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 20:59:06,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:06,326 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:06,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:59:06,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:06,708 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 20:59:06,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 20:59:06,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:06,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 83 states and 136 transitions. [2023-12-02 20:59:06,898 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2023-12-02 20:59:06,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 20:59:06,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:06,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:06,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:06,900 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:06,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 20:59:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:07,447 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:07,791 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:59:07,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:08,418 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 20:59:08,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 20:59:14,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 20:59:26,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:59:31,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:31,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 88 states and 152 transitions. [2023-12-02 20:59:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 152 transitions. [2023-12-02 20:59:31,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 20:59:31,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:31,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:31,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:31,637 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:31,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 20:59:32,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:32,234 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:32,571 INFO L262 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:59:32,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:32,609 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 20:59:32,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 20:59:36,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:36,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 90 states and 158 transitions. [2023-12-02 20:59:36,686 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 158 transitions. [2023-12-02 20:59:36,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 20:59:36,688 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:36,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:36,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:36,689 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:36,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 20:59:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:37,357 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:37,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 20:59:37,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:38,139 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 20:59:38,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 20:59:40,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 20:59:42,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:42,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 93 states and 168 transitions. [2023-12-02 20:59:42,633 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 168 transitions. [2023-12-02 20:59:42,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-02 20:59:42,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:42,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:42,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:42,637 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:42,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 20:59:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:43,304 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:43,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 20:59:43,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:43,771 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 20:59:43,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 20:59:44,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:44,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 95 states and 176 transitions. [2023-12-02 20:59:44,971 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 176 transitions. [2023-12-02 20:59:44,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 20:59:44,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:44,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:44,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:44,974 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:44,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 20:59:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:45,679 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:46,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:59:46,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:46,178 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 20:59:46,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 20:59:47,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:47,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 100 states and 184 transitions. [2023-12-02 20:59:47,027 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 184 transitions. [2023-12-02 20:59:47,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 20:59:47,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:47,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:47,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:47,030 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:47,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 20:59:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:47,680 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:48,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:48,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:59:48,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 20:59:48,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 20:59:48,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:48,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 93 states and 162 transitions. [2023-12-02 20:59:48,652 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 162 transitions. [2023-12-02 20:59:48,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-02 20:59:48,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:48,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:48,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:48,655 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:48,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 20:59:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:49,449 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:49,896 INFO L262 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:59:49,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:51,498 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 20:59:51,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 20:59:53,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:53,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 95 states and 167 transitions. [2023-12-02 20:59:53,362 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 167 transitions. [2023-12-02 20:59:53,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 20:59:53,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:53,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:53,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:53,364 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:53,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 20:59:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:54,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:54,479 INFO L262 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 20:59:54,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:54,539 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 20:59:54,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 20:59:58,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 101 states and 178 transitions. [2023-12-02 20:59:58,006 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 178 transitions. [2023-12-02 20:59:58,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-02 20:59:58,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:58,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:58,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:58,008 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:58,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-02 20:59:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:58,802 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 20:59:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 20:59:59,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 899 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 20:59:59,213 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 20:59:59,259 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 20:59:59,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-02 20:59:59,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 20:59:59,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 101 states and 177 transitions. [2023-12-02 20:59:59,314 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 177 transitions. [2023-12-02 20:59:59,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 20:59:59,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 20:59:59,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 20:59:59,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 20:59:59,316 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 20:59:59,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-02 21:00:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:02,883 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:00:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:03,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:00:03,369 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:00:06,156 INFO 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 21:00:06,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-02 21:00:11,368 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 21:00:26,284 WARN L539 Checker$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 21:00:42,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:00:42,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 112 states and 214 transitions. [2023-12-02 21:00:42,138 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 214 transitions. [2023-12-02 21:00:42,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:00:42,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:00:42,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:00:42,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:00:42,141 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:00:42,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 21:00:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:45,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:00:45,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:00:46,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:00:46,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:00:46,156 INFO 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 21:00:46,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 21:00:58,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 21:01:09,167 WARN L539 Checker$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 21:01:12,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:12,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:01:12,570 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:01:12,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:01:12,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:12,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:12,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:12,572 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:12,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-02 21:01:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:16,169 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:16,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:01:16,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:16,751 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:01:16,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-12-02 21:01:16,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:16,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:01:16,791 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:01:16,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:01:16,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:16,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:16,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:16,793 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:16,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 21:01:20,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:20,403 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:20,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:20,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:01:20,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:21,026 INFO 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 21:01:21,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 21:01:21,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:21,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:01:21,066 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:01:21,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:01:21,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:21,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:21,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:21,068 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:21,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-02 21:01:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:24,550 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:25,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:01:25,010 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:25,147 INFO 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 21:01:25,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-02 21:01:25,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:01:25,200 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:01:25,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:01:25,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:25,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:25,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:25,202 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:25,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-02 21:01:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:28,828 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:29,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:29,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:01:29,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:29,458 INFO 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 21:01:29,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-02 21:01:29,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:29,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:01:29,500 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:01:29,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:01:29,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:29,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:29,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:29,502 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:29,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-02 21:01:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:33,185 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:33,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:01:33,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:33,775 INFO 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 21:01:33,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-02 21:01:33,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:33,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:01:33,814 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:01:33,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:01:33,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:33,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:33,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:33,816 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:33,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 21:01:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:37,501 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:37,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:01:37,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:38,118 INFO 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 21:01:38,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 21:01:38,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:38,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:01:38,173 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:01:38,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:01:38,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:38,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:38,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:38,176 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:38,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-02 21:01:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:41,983 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:42,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:01:42,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:42,600 INFO 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 21:01:42,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-02 21:01:42,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:42,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:01:42,643 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:01:42,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:01:42,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:42,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:42,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:42,646 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:42,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-02 21:01:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:46,490 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:46,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:01:46,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:47,104 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 21:01:47,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-02 21:01:47,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:47,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:01:47,179 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:01:47,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:01:47,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:47,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:47,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:47,181 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:47,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-02 21:01:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:50,958 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:51,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:51,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:01:51,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:51,553 INFO 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 21:01:51,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-02 21:01:51,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:51,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:01:51,601 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:01:51,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:01:51,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:51,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:51,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:51,603 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:51,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-02 21:01:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:55,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:01:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:55,732 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:01:55,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:01:55,874 INFO 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 21:01:55,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-02 21:01:55,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:01:55,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:01:55,916 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:01:55,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:01:55,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:01:55,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:01:55,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:01:55,918 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:01:55,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-02 21:01:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:01:59,731 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:00,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:02:00,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:02:00,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-02 21:02:00,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:00,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:02:00,371 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:02:00,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:02:00,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:00,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:00,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:00,373 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:00,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-02 21:02:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:04,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:04,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:04,615 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:02:04,617 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:04,752 INFO 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 21:02:04,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-02 21:02:04,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:04,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:02:04,800 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:02:04,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:02:04,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:04,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:04,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:04,801 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:04,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-02 21:02:08,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:08,607 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:09,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:02:09,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:09,224 INFO 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 21:02:09,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-02 21:02:09,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:09,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:02:09,288 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:02:09,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:02:09,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:09,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:09,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:09,291 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:09,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-02 21:02:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:13,113 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:13,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:13,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:02:13,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:13,743 INFO 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 21:02:13,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-02 21:02:13,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:13,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:02:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:02:13,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:02:13,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:13,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:13,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:13,813 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:13,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-02 21:02:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:17,517 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:17,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:02:17,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:18,101 INFO 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 21:02:18,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-02 21:02:18,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:18,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:02:18,153 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:02:18,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:02:18,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:18,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:18,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:18,155 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:18,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-02 21:02:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:22,017 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:22,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:02:22,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:22,637 INFO 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 21:02:22,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-02 21:02:22,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:22,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:02:22,686 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:02:22,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:02:22,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:22,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:22,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:22,688 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:22,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-02 21:02:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:26,399 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:26,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:26,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:02:26,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:27,005 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 21:02:27,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-02 21:02:27,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:27,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:02:27,055 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:02:27,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:02:27,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:27,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:27,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:27,057 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:27,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-02 21:02:30,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:30,991 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:31,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:02:31,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:31,639 INFO 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 21:02:31,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2023-12-02 21:02:31,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:31,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:02:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:02:31,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:02:31,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:31,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:31,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:31,704 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:31,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-02 21:02:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:35,761 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:36,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:36,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:02:36,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:36,405 INFO 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 21:02:36,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2023-12-02 21:02:36,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:36,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:02:36,450 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:02:36,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:02:36,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:36,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:36,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:36,451 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:36,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-02 21:02:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:40,427 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:40,890 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:02:40,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:41,027 INFO 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 21:02:41,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-02 21:02:41,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:41,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:02:41,073 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:02:41,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:02:41,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:41,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:41,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:41,075 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:41,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-02 21:02:45,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:45,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:45,782 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:02:45,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:45,920 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:02:45,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2023-12-02 21:02:46,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:02:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:02:46,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:02:46,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:46,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:46,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:46,011 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:46,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-02 21:02:49,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:49,961 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:50,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:02:50,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:50,544 INFO 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 21:02:50,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2023-12-02 21:02:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:50,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:02:50,601 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:02:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:02:50,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:50,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:50,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:50,603 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:50,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-02 21:02:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:54,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:55,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:02:55,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:55,153 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 21:02:55,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-02 21:02:55,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:55,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:02:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:02:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:02:55,201 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:55,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:55,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:55,202 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:55,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-02 21:02:59,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:59,188 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:02:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:02:59,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:02:59,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:02:59,798 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:02:59,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-02 21:02:59,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:02:59,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:02:59,862 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:02:59,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:02:59,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:02:59,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:02:59,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:02:59,864 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:02:59,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-02 21:03:04,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:04,126 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:04,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:03:04,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:04,726 INFO 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 21:03:04,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-02 21:03:04,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:04,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:03:04,781 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:03:04,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:03:04,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:04,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:04,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:04,783 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:04,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-02 21:03:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:08,939 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:09,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:03:09,406 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:09,538 INFO 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 21:03:09,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-02 21:03:09,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:09,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:03:09,599 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:03:09,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:03:09,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:09,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:09,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:09,600 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:09,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-02 21:03:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:13,526 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:13,989 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:03:13,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:14,121 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:03:14,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-02 21:03:14,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:14,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:03:14,179 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:03:14,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:03:14,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:14,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:14,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:14,181 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:14,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-02 21:03:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:18,258 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:18,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:18,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:03:18,723 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:18,845 INFO 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 21:03:18,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-02 21:03:18,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:18,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:03:18,896 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:03:18,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:03:18,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:18,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:18,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:18,897 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:18,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-02 21:03:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:23,019 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:23,524 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:03:23,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:23,651 INFO 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 21:03:23,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-02 21:03:23,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:23,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:03:23,749 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:03:23,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:03:23,750 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:23,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:23,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:23,751 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:23,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-02 21:03:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:27,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:28,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:03:28,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:28,442 INFO 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 21:03:28,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-02 21:03:28,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:28,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:03:28,493 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:03:28,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:03:28,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:28,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:28,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:28,495 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:28,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-02 21:03:32,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:32,507 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:32,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:03:32,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:33,105 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 21:03:33,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-02 21:03:33,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:33,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:03:33,171 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:03:33,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:03:33,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:33,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:33,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:33,173 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:33,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-02 21:03:37,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:37,491 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:37,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:03:37,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:38,112 INFO 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 21:03:38,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-02 21:03:38,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:38,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:03:38,178 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:03:38,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:03:38,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:38,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:38,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:38,180 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:38,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-02 21:03:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:42,377 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:42,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:03:42,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:42,960 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 21:03:42,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-02 21:03:43,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:43,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:03:43,018 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:03:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:03:43,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:43,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:43,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:43,019 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:43,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-02 21:03:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:47,356 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:47,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:47,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:03:47,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:48,001 INFO 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 21:03:48,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-02 21:03:48,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:48,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:03:48,078 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:03:48,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:03:48,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:48,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:48,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:48,080 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:48,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-02 21:03:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:52,522 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:53,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:03:53,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:53,160 INFO 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 21:03:53,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-02 21:03:53,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:53,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:03:53,226 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:03:53,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:03:53,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:53,227 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:53,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:53,228 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:53,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-02 21:03:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:57,901 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:03:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:03:58,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:03:58,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:03:58,560 INFO 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 21:03:58,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2023-12-02 21:03:58,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:03:58,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:03:58,633 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:03:58,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:03:58,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:03:58,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:03:58,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:03:58,635 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:03:58,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-02 21:04:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:03,156 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:03,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:04:03,680 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:03,808 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:04:03,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-02 21:04:03,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:03,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:04:03,871 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:04:03,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:04:03,872 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:03,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:03,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:03,873 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:03,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-02 21:04:08,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:08,390 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:08,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:04:08,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:09,012 INFO 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 21:04:09,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-02 21:04:09,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:09,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:04:09,067 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:04:09,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:04:09,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:09,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:09,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:09,069 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:09,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-02 21:04:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:13,412 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:13,891 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:04:13,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:14,024 INFO 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 21:04:14,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-02 21:04:14,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:14,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:04:14,081 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:04:14,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:04:14,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:14,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:14,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:14,083 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:14,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-02 21:04:18,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:18,696 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:19,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:04:19,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:19,372 INFO 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 21:04:19,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-02 21:04:19,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:19,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:04:19,433 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:04:19,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:04:19,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:19,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:19,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:19,434 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:19,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-02 21:04:23,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:23,923 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:24,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:04:24,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:24,547 INFO 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 21:04:24,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-02 21:04:24,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:24,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:04:24,609 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:04:24,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:04:24,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:24,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:24,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:24,610 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:24,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-02 21:04:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:28,662 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:29,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:04:29,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:29,253 INFO 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 21:04:29,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-02 21:04:29,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:29,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:04:29,308 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:04:29,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:04:29,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:29,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:29,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:29,310 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:29,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-02 21:04:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:33,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:34,324 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:04:34,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:34,448 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:04:34,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-02 21:04:34,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:34,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:04:34,521 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:04:34,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:04:34,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:34,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:34,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:34,522 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:34,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-02 21:04:38,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:38,973 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:39,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:04:39,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:39,561 INFO 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 21:04:39,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-02 21:04:39,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:39,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:04:39,626 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:04:39,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:04:39,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:39,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:39,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:39,627 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:39,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-02 21:04:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:44,293 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:44,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:04:44,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:44,913 INFO 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 21:04:44,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2023-12-02 21:04:44,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:44,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:04:44,980 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:04:44,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:04:44,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:44,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:44,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:44,981 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:44,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-02 21:04:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:49,580 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:50,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:04:50,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:50,170 INFO 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 21:04:50,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-02 21:04:50,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:50,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:04:50,238 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:04:50,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:04:50,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:50,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:50,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:50,239 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:50,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-02 21:04:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:54,716 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:04:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:04:55,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:04:55,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:04:55,327 INFO 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 21:04:55,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-02 21:04:55,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:04:55,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:04:55,388 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:04:55,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:04:55,388 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:04:55,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:04:55,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:04:55,389 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:04:55,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-02 21:05:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:00,705 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:01,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:05:01,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:01,343 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:05:01,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-02 21:05:01,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:01,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:05:01,402 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:05:01,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:05:01,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:01,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:01,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:01,403 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:01,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-02 21:05:06,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:06,222 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:06,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:05:06,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:06,876 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:05:06,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2023-12-02 21:05:06,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:06,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:05:06,940 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:05:06,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:05:06,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:06,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:06,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:06,942 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:06,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-02 21:05:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:11,636 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:12,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:05:12,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:12,244 INFO 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 21:05:12,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-02 21:05:12,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:12,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:05:12,314 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:05:12,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:05:12,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:12,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:12,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:12,316 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:12,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-02 21:05:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:17,145 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:17,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:05:17,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:17,777 INFO 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 21:05:17,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-02 21:05:17,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:17,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:05:17,842 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:05:17,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:05:17,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:17,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:17,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:17,843 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:17,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-02 21:05:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:22,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:23,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:05:23,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:23,190 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:05:23,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-02 21:05:23,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:23,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:05:23,256 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:05:23,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:05:23,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:23,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:23,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:23,257 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:23,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-02 21:05:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:28,178 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:28,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:05:28,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:28,816 INFO 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 21:05:28,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-02 21:05:28,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:28,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:05:28,879 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:05:28,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:05:28,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:28,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:28,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:28,880 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:28,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-02 21:05:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:33,645 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:34,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:05:34,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:34,255 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:05:34,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-02 21:05:34,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:34,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:05:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:05:34,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:05:34,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:34,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:34,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:34,326 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:34,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-02 21:05:38,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:38,606 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:39,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:05:39,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:39,243 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:05:39,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-02 21:05:39,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:39,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:05:39,305 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:05:39,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:05:39,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:39,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:39,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:39,306 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:39,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-02 21:05:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:44,162 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:44,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:05:44,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:44,817 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 21:05:44,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-02 21:05:44,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:44,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:05:44,886 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:05:44,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:05:44,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:44,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:44,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:44,887 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:44,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-02 21:05:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:49,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:50,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:05:50,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:50,248 INFO 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 21:05:50,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2023-12-02 21:05:50,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:50,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:05:50,316 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:05:50,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:05:50,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:50,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:50,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:50,317 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:50,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-02 21:05:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:55,202 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:05:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:05:55,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:05:55,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:05:55,832 INFO 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 21:05:55,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-02 21:05:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:05:55,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:05:55,908 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:05:55,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:05:55,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:05:55,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:05:55,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:05:55,909 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:05:55,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-02 21:06:00,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:00,712 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:01,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:06:01,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:01,344 INFO 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 21:06:01,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-02 21:06:01,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:01,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:06:01,413 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:06:01,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:06:01,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:01,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:01,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:01,415 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:01,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-02 21:06:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:06,116 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:06,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:06:06,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:06,736 INFO 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 21:06:06,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-02 21:06:06,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:06,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:06:06,805 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:06:06,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:06:06,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:06,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:06,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:06,807 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:06,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-02 21:06:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:11,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:12,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:06:12,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:12,258 INFO 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 21:06:12,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-02 21:06:12,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:12,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:06:12,321 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:06:12,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:06:12,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:12,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:12,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:12,323 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:12,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-02 21:06:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:17,677 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:18,238 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:06:18,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:18,390 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:06:18,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2023-12-02 21:06:18,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:18,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:06:18,460 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:06:18,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:06:18,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:18,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:18,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:18,462 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:18,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-02 21:06:23,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:23,366 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:23,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:23,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:06:23,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:23,980 INFO 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 21:06:24,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-02 21:06:24,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:06:24,048 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:06:24,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:06:24,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:24,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:24,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:24,049 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:24,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-02 21:06:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:28,723 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:29,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:06:29,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:29,326 INFO 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 21:06:29,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-02 21:06:29,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:29,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:06:29,399 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:06:29,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:06:29,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:29,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:29,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:29,400 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:29,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2023-12-02 21:06:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:34,492 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:34,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:35,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:06:35,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:35,169 INFO 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 21:06:35,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2023-12-02 21:06:35,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:35,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:06:35,253 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:06:35,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:06:35,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:35,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:35,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:35,255 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:35,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2023-12-02 21:06:40,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:40,184 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:40,684 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:06:40,685 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:40,820 INFO 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 21:06:40,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2023-12-02 21:06:40,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:40,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:06:40,892 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:06:40,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:06:40,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:40,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:40,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:40,894 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:40,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2023-12-02 21:06:45,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:45,850 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:46,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:46,365 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:06:46,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:46,499 INFO 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 21:06:46,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2023-12-02 21:06:46,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:46,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:06:46,575 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:06:46,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:06:46,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:46,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:46,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:46,577 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:46,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2023-12-02 21:06:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:51,553 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:52,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:06:52,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:52,172 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 21:06:52,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2023-12-02 21:06:52,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:52,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:06:52,241 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:06:52,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:06:52,242 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:52,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:52,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:52,243 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:52,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2023-12-02 21:06:57,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:57,153 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:06:57,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:06:57,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:06:57,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:06:57,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:06:57,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2023-12-02 21:06:57,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:06:57,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:06:57,849 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:06:57,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:06:57,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:06:57,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:06:57,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:06:57,850 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:06:57,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2023-12-02 21:07:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:03,203 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:03,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:07:03,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:03,868 INFO 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 21:07:03,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2023-12-02 21:07:03,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:03,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:07:03,941 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:07:03,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:07:03,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:03,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:03,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:03,950 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:03,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2023-12-02 21:07:09,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:09,323 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:09,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:07:09,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:10,024 INFO 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 21:07:10,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2023-12-02 21:07:10,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:10,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:07:10,109 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:07:10,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:07:10,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:10,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:10,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:10,110 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:10,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2023-12-02 21:07:15,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:15,353 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:15,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:07:15,875 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:16,008 INFO 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 21:07:16,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2023-12-02 21:07:16,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:16,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:07:16,070 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:07:16,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:07:16,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:16,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:16,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:16,071 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:16,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2023-12-02 21:07:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:21,462 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:21,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:21,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:07:21,976 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:22,125 INFO 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 21:07:22,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2023-12-02 21:07:22,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:22,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:07:22,194 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:07:22,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:07:22,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:22,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:22,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:22,196 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:22,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2023-12-02 21:07:27,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:27,729 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:28,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:07:28,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:28,477 INFO 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 21:07:28,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2023-12-02 21:07:28,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:28,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:07:28,556 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:07:28,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:07:28,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:28,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:28,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:28,557 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:28,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2023-12-02 21:07:33,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:33,727 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:34,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:07:34,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:34,346 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 21:07:34,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2023-12-02 21:07:34,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:34,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:07:34,436 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:07:34,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:07:34,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:34,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:34,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:34,437 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:34,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2023-12-02 21:07:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:39,600 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:40,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:07:40,056 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:40,184 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:07:40,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2023-12-02 21:07:40,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:40,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:07:40,251 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:07:40,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:07:40,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:40,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:40,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:40,252 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:40,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2023-12-02 21:07:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:45,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:45,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:07:45,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:46,111 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:07:46,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2023-12-02 21:07:46,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:46,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:07:46,173 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:07:46,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:07:46,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:46,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:46,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:46,174 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:46,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2023-12-02 21:07:51,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:51,602 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:52,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:07:52,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:52,300 INFO 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 21:07:52,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2023-12-02 21:07:52,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:52,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:07:52,363 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:07:52,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:07:52,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:52,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:52,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:52,364 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:52,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2023-12-02 21:07:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:57,918 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:07:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:07:58,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:07:58,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:07:58,606 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:07:58,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2023-12-02 21:07:58,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:07:58,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:07:58,683 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:07:58,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:07:58,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:07:58,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:07:58,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:07:58,685 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:07:58,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2023-12-02 21:08:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:04,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:08:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:04,765 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:08:04,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:04,906 INFO 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 21:08:04,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2023-12-02 21:08:04,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:04,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:08:04,964 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:08:04,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:08:04,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:04,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:04,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:04,965 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:04,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2023-12-02 21:08:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:10,384 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:08:10,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:10,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:08:10,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:11,056 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:08:11,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2023-12-02 21:08:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:11,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:08:11,119 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:08:11,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:08:11,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:11,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:11,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:11,121 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:11,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2023-12-02 21:08:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:16,899 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:08:17,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:17,411 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:08:17,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:17,548 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 21:08:17,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2023-12-02 21:08:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:08:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:08:17,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:08:17,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:17,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:17,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:17,614 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:17,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2023-12-02 21:08:23,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:23,237 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:08:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:23,708 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:08:23,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:23,831 INFO 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 21:08:23,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2023-12-02 21:08:23,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:23,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:08:23,888 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:08:23,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:08:23,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:23,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:23,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:23,889 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:23,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2023-12-02 21:08:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:29,023 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:08:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:29,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:08:29,522 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:29,640 INFO 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 21:08:29,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2023-12-02 21:08:29,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:29,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:08:29,704 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:08:29,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:08:29,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:29,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:29,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:29,705 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:29,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2023-12-02 21:08:34,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:34,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:08:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:35,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:08:35,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:35,493 INFO 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 21:08:35,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2023-12-02 21:08:35,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:35,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:08:35,562 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:08:35,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:08:35,563 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:35,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:35,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:35,564 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:35,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2023-12-02 21:08:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:40,927 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:08:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:41,444 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:08:41,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:41,575 INFO 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 21:08:41,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2023-12-02 21:08:41,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:08:41,633 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:08:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:08:41,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:41,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:41,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:41,634 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:41,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2023-12-02 21:08:46,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:46,979 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:08:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:47,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:08:47,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:08:47,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2023-12-02 21:08:47,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:47,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:08:47,684 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:08:47,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:08:47,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:47,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:47,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:47,685 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:47,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2023-12-02 21:08:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:52,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:08:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:53,440 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:08:53,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:53,572 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 21:08:53,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2023-12-02 21:08:53,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:53,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:08:53,650 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:08:53,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:08:53,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:53,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:53,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:53,651 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:53,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2023-12-02 21:08:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:58,763 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:08:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:08:59,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:08:59,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:08:59,351 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:08:59,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2023-12-02 21:08:59,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:08:59,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:08:59,411 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:08:59,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:08:59,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:08:59,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:08:59,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:08:59,412 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:08:59,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2023-12-02 21:09:04,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:04,800 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:09:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:05,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:09:05,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:09:05,417 INFO 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 21:09:05,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2023-12-02 21:09:05,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:09:05,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:09:05,480 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:09:05,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:09:05,480 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:09:05,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:09:05,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:09:05,482 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:09:05,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2023-12-02 21:09:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:10,733 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:09:11,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:11,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:09:11,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:09:11,440 INFO 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 21:09:11,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2023-12-02 21:09:11,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:09:11,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:09:11,504 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:09:11,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:09:11,504 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:09:11,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:09:11,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:09:11,505 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:09:11,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2023-12-02 21:09:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:16,849 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:09:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:17,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:09:17,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:09:17,459 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 21:09:17,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2023-12-02 21:09:17,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:09:17,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:09:17,521 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:09:17,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:09:17,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:09:17,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:09:17,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:09:17,522 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:09:17,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2023-12-02 21:09:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:22,922 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:09:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:23,396 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:09:23,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:09:23,523 INFO 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 21:09:23,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2023-12-02 21:09:23,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:09:23,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:09:23,586 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:09:23,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:09:23,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:09:23,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:09:23,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:09:23,588 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:09:23,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2023-12-02 21:09:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:29,084 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:09:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:29,600 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:09:29,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:09:29,729 INFO 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 21:09:29,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2023-12-02 21:09:29,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:09:29,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:09:29,793 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:09:29,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:09:29,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:09:29,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:09:29,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:09:29,794 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:09:29,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2023-12-02 21:09:35,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:35,252 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:09:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:35,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:09:35,739 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:09:35,865 INFO 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 21:09:35,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2023-12-02 21:09:35,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:09:35,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:09:35,929 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:09:35,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:09:35,929 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:09:35,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:09:35,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:09:35,930 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:09:35,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2023-12-02 21:09:41,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:41,636 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:09:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:42,136 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:09:42,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:09:42,276 INFO 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 21:09:42,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2023-12-02 21:09:42,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:09:42,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:09:42,357 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:09:42,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:09:42,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:09:42,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:09:42,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:09:42,359 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:09:42,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2023-12-02 21:09:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:47,997 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:09:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:48,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:09:48,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:09:48,615 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 21:09:48,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2023-12-02 21:09:48,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:09:48,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:09:48,684 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:09:48,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:09:48,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:09:48,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:09:48,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:09:48,686 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:09:48,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2023-12-02 21:09:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:54,434 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:09:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:09:54,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:09:54,899 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:09:55,030 INFO 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 21:09:55,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2023-12-02 21:09:55,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:09:55,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:09:55,095 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:09:55,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:09:55,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:09:55,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:09:55,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:09:55,096 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:09:55,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2023-12-02 21:10:00,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:00,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:10:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:01,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:10:01,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:10:01,258 INFO 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 21:10:01,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2023-12-02 21:10:01,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:10:01,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:10:01,339 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:10:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:10:01,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:10:01,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:10:01,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:10:01,341 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:10:01,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2023-12-02 21:10:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:06,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:10:07,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:07,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:10:07,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:10:07,495 INFO 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 21:10:07,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2023-12-02 21:10:07,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:10:07,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:10:07,557 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:10:07,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:10:07,557 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:10:07,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:10:07,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:10:07,558 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:10:07,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2023-12-02 21:10:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:13,263 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:10:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:13,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:10:13,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:10:13,881 INFO 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 21:10:13,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2023-12-02 21:10:13,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:10:13,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:10:13,962 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:10:13,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:10:13,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:10:13,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:10:13,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:10:13,963 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:10:13,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2023-12-02 21:10:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:19,383 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:10:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:19,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:10:19,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:10:19,988 INFO 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 21:10:20,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2023-12-02 21:10:20,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:10:20,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:10:20,051 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:10:20,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:10:20,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:10:20,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:10:20,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:10:20,052 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:10:20,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2023-12-02 21:10:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:25,793 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:10:26,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:26,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:10:26,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:10:26,426 INFO 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 21:10:26,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2023-12-02 21:10:26,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:10:26,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:10:26,494 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:10:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:10:26,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:10:26,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:10:26,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:10:26,495 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:10:26,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2023-12-02 21:10:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:32,421 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:10:32,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:10:32,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 905 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:10:32,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:10:33,028 INFO 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 21:10:33,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2023-12-02 21:10:33,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:10:33,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 114 states and 223 transitions. [2023-12-02 21:10:33,092 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 223 transitions. [2023-12-02 21:10:33,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 21:10:33,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:10:33,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:10:33,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:10:33,093 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:10:33,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02d96308-8b93-4404-80ae-a67ca8bd22a0/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process