./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w8_r1_case_0_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/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_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w8_r1_case_0_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/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_abbfed1d-3161-4447-84c1-9863b98b761b/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 f36cff60f447e638bcf59fd616d88e90152ae496257c572a05c5d1e497b29e03 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:03:56,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:03:56,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:03:56,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:03:56,648 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:03:56,669 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:03:56,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:03:56,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:03:56,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:03:56,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:03:56,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:03:56,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:03:56,673 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:03:56,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:03:56,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:03:56,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:03:56,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:03:56,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:03:56,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:03:56,676 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:03:56,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:03:56,677 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:03:56,678 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:03:56,678 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:03:56,679 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:03:56,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:03:56,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:03:56,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:03:56,680 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:03:56,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:03:56,681 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:03:56,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:03:56,682 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:03:56,682 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_abbfed1d-3161-4447-84c1-9863b98b761b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36cff60f447e638bcf59fd616d88e90152ae496257c572a05c5d1e497b29e03 [2023-12-03 04:03:56,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:03:56,936 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:03:56,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:03:56,940 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:03:56,941 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:03:56,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/softsign_w8_r1_case_0_unsafe.c-amalgamation.i [2023-12-03 04:03:59,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:03:59,963 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:03:59,964 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/sv-benchmarks/c/neural-networks/softsign_w8_r1_case_0_unsafe.c-amalgamation.i [2023-12-03 04:03:59,993 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/data/8b94c3cff/0bb3678572cc455d84f7e199d1534780/FLAGf44d288b2 [2023-12-03 04:04:00,007 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/data/8b94c3cff/0bb3678572cc455d84f7e199d1534780 [2023-12-03 04:04:00,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:04:00,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:04:00,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:04:00,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:04:00,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:04:00,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:04:00" (1/1) ... [2023-12-03 04:04:00,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@949b48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:04:00, skipping insertion in model container [2023-12-03 04:04:00,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:04:00" (1/1) ... [2023-12-03 04:04:00,097 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:04:00,963 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_abbfed1d-3161-4447-84c1-9863b98b761b/sv-benchmarks/c/neural-networks/softsign_w8_r1_case_0_unsafe.c-amalgamation.i[71683,71696] [2023-12-03 04:04:01,191 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2499) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:305) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoops(CHandler.java:3572) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1469) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:225) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-03 04:04:01,197 INFO L158 Benchmark]: Toolchain (without parser) took 1185.59ms. Allocated memory is still 127.9MB. Free memory was 83.3MB in the beginning and 52.7MB in the end (delta: 30.6MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 04:04:01,198 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:04:01,198 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1183.19ms. Allocated memory is still 127.9MB. Free memory was 82.9MB in the beginning and 52.7MB in the end (delta: 30.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 04:04:01,200 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 127.9MB. Free memory is still 99.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1183.19ms. Allocated memory is still 127.9MB. Free memory was 82.9MB in the beginning and 52.7MB in the end (delta: 30.2MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/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_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w8_r1_case_0_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/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_abbfed1d-3161-4447-84c1-9863b98b761b/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 f36cff60f447e638bcf59fd616d88e90152ae496257c572a05c5d1e497b29e03 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:04:02,932 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:04:03,000 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:04:03,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:04:03,030 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:04:03,030 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:04:03,031 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:04:03,031 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:04:03,032 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:04:03,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:04:03,033 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:04:03,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:04:03,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:04:03,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:04:03,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:04:03,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:04:03,036 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:04:03,036 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:04:03,037 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:04:03,037 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:04:03,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:04:03,038 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:04:03,039 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:04:03,039 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:04:03,040 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:04:03,040 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:04:03,041 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:04:03,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:04:03,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:04:03,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:04:03,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:04:03,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:04:03,043 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:04:03,044 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:04:03,044 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:04:03,045 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:04:03,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:04:03,045 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_abbfed1d-3161-4447-84c1-9863b98b761b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f36cff60f447e638bcf59fd616d88e90152ae496257c572a05c5d1e497b29e03 [2023-12-03 04:04:03,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:04:03,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:04:03,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:04:03,350 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:04:03,350 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:04:03,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/softsign_w8_r1_case_0_unsafe.c-amalgamation.i [2023-12-03 04:04:06,157 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:04:06,498 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:04:06,499 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/sv-benchmarks/c/neural-networks/softsign_w8_r1_case_0_unsafe.c-amalgamation.i [2023-12-03 04:04:06,522 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/data/c805c26f3/ef75c5aa3c9b497980f851b10349aa2b/FLAG7de3e64a3 [2023-12-03 04:04:06,535 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/data/c805c26f3/ef75c5aa3c9b497980f851b10349aa2b [2023-12-03 04:04:06,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:04:06,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:04:06,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:04:06,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:04:06,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:04:06,544 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:04:06" (1/1) ... [2023-12-03 04:04:06,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c913af4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:04:06, skipping insertion in model container [2023-12-03 04:04:06,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:04:06" (1/1) ... [2023-12-03 04:04:06,624 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:04:07,411 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_abbfed1d-3161-4447-84c1-9863b98b761b/sv-benchmarks/c/neural-networks/softsign_w8_r1_case_0_unsafe.c-amalgamation.i[71683,71696] [2023-12-03 04:04:07,729 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:04:07,745 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:04:07,768 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:04:07,798 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_abbfed1d-3161-4447-84c1-9863b98b761b/sv-benchmarks/c/neural-networks/softsign_w8_r1_case_0_unsafe.c-amalgamation.i[71683,71696] [2023-12-03 04:04:07,910 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:04:07,915 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:04:07,954 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_abbfed1d-3161-4447-84c1-9863b98b761b/sv-benchmarks/c/neural-networks/softsign_w8_r1_case_0_unsafe.c-amalgamation.i[71683,71696] [2023-12-03 04:04:08,071 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:04:08,312 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:04:08,313 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:04:08,313 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:04:08,313 WARN L675 CHandler]: The function recurrent_activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:04:08,313 WARN L675 CHandler]: The function output_activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:04:08,319 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:04:08,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:04:08 WrapperNode [2023-12-03 04:04:08,320 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:04:08,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:04:08,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:04:08,321 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:04:08,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:04:08" (1/1) ... [2023-12-03 04:04:08,400 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:04:08" (1/1) ... [2023-12-03 04:04:08,454 INFO L138 Inliner]: procedures = 780, calls = 1161, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 533 [2023-12-03 04:04:08,455 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:04:08,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:04:08,456 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:04:08,456 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:04:08,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:04:08" (1/1) ... [2023-12-03 04:04:08,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:04:08" (1/1) ... [2023-12-03 04:04:08,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:04:08" (1/1) ... [2023-12-03 04:04:08,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:04:08" (1/1) ... [2023-12-03 04:04:08,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:04:08" (1/1) ... [2023-12-03 04:04:08,524 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:04:08" (1/1) ... [2023-12-03 04:04:08,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:04:08" (1/1) ... [2023-12-03 04:04:08,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:04:08" (1/1) ... [2023-12-03 04:04:08,550 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:04:08,551 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:04:08,551 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:04:08,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:04:08,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:04:08" (1/1) ... [2023-12-03 04:04:08,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:04:08,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:04:08,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:04:08,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:04:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 04:04:08,614 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2023-12-03 04:04:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2023-12-03 04:04:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-03 04:04:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:04:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:04:08,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:04:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:04:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:04:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:04:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:04:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:04:08,616 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2023-12-03 04:04:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2023-12-03 04:04:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 04:04:08,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 04:04:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:04:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:04:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 04:04:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 04:04:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2023-12-03 04:04:08,618 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2023-12-03 04:04:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:04:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 04:04:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 04:04:08,821 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:04:08,823 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:04:27,609 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:04:28,479 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:04:28,479 INFO L309 CfgBuilder]: Removed 20 assume(true) statements. [2023-12-03 04:04:28,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:04:28 BoogieIcfgContainer [2023-12-03 04:04:28,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:04:28,482 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:04:28,482 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:04:28,489 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:04:28,490 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:04:28" (1/1) ... [2023-12-03 04:04:28,498 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:04:28,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:28,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2023-12-03 04:04:28,549 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2023-12-03 04:04:28,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 04:04:28,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:28,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:04:28,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:04:28,552 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:04:28,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:04:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:30,268 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:04:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:04:31,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:04:31,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:04:31,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:04:31,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:04:41,947 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:04:42,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:04:42,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 109 transitions. [2023-12-03 04:04:42,291 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 109 transitions. [2023-12-03 04:04:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 04:04:42,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:04:42,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:04:42,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:04:42,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:04:42,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:05:58,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:58,648 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:05:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:05:59,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 24 conjunts are in the unsatisfiable core [2023-12-03 04:05:59,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:05:59,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 04:05:59,893 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-12-03 04:05:59,894 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 28 [2023-12-03 04:05:59,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 04:05:59,955 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-03 04:06:00,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:06:00,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:06:11,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:06:23,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:06:24,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:06:24,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 76 states and 122 transitions. [2023-12-03 04:06:24,508 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 122 transitions. [2023-12-03 04:06:24,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 04:06:24,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:06:24,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:06:24,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:06:24,511 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:06:24,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:07:39,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:39,370 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:07:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:07:40,575 INFO L262 TraceCheckSpWp]: Trace formula consists of 1303 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-03 04:07:40,579 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:07:40,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 04:07:40,689 INFO L349 Elim1Store]: treesize reduction 26, result has 16.1 percent of original size [2023-12-03 04:07:40,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 84 treesize of output 81 [2023-12-03 04:07:40,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-03 04:07:40,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2023-12-03 04:07:41,630 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-03 04:07:41,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 132 treesize of output 44 [2023-12-03 04:07:42,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:07:42,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:07:53,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:08:05,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:08:08,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:08,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 82 states and 135 transitions. [2023-12-03 04:08:08,248 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2023-12-03 04:08:08,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:08:08,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:08,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:08,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:08,252 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:08,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:08:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:09,652 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:10,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:08:10,582 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:08:10,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:08:10,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:10,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 83 states and 136 transitions. [2023-12-03 04:08:10,736 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2023-12-03 04:08:10,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:08:10,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:10,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:10,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:10,738 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:10,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:08:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:12,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:13,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:08:13,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:13,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:08:13,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:08:25,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:08:37,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:08:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:44,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 88 states and 152 transitions. [2023-12-03 04:08:44,252 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 152 transitions. [2023-12-03 04:08:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 04:08:44,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:44,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:44,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:44,254 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:44,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:08:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:45,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:46,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:46,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 1305 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:08:46,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:46,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:08:46,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:08:51,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:08:51,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 90 states and 158 transitions. [2023-12-03 04:08:51,721 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 158 transitions. [2023-12-03 04:08:51,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:08:51,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:08:51,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:08:51,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:08:51,725 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:08:51,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:08:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:53,147 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:08:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:08:54,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 1501 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:08:54,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:08:54,675 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:08:54,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 04:08:56,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:09:00,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:00,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 93 states and 168 transitions. [2023-12-03 04:09:00,340 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 168 transitions. [2023-12-03 04:09:00,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-12-03 04:09:00,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:00,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:00,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:00,344 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:00,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:09:01,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:01,914 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:02,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 1501 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 04:09:02,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-03 04:09:02,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:09:04,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:04,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 95 states and 176 transitions. [2023-12-03 04:09:04,277 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 176 transitions. [2023-12-03 04:09:04,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-12-03 04:09:04,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:04,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:04,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:04,280 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:04,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:09:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:05,934 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:06,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:06,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 1503 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:09:06,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:09,182 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:09:09,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:09:11,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:11,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 97 states and 181 transitions. [2023-12-03 04:09:11,725 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 181 transitions. [2023-12-03 04:09:11,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:09:11,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:11,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:11,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:11,729 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:11,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:09:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:13,402 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:14,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:14,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 1509 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:09:14,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-03 04:09:14,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:09:21,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:21,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 103 states and 197 transitions. [2023-12-03 04:09:21,158 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 197 transitions. [2023-12-03 04:09:21,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:09:21,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:21,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:21,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:21,161 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:21,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:09:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:22,844 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:23,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 1509 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:09:23,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:23,957 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-12-03 04:09:23,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:09:25,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:25,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 108 states and 205 transitions. [2023-12-03 04:09:25,273 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 205 transitions. [2023-12-03 04:09:25,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-12-03 04:09:25,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:25,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:25,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:25,275 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:25,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:09:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:27,035 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:28,052 INFO L262 TraceCheckSpWp]: Trace formula consists of 1509 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:09:28,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:28,126 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-12-03 04:09:28,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:09:28,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 108 states and 204 transitions. [2023-12-03 04:09:28,201 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 204 transitions. [2023-12-03 04:09:28,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:09:28,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:28,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:28,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:28,203 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:28,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:09:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:30,151 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:31,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:09:31,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:31,247 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:09:31,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:09:34,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:09:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 110 states and 207 transitions. [2023-12-03 04:09:34,725 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 207 transitions. [2023-12-03 04:09:34,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:09:34,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:09:34,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:09:34,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:09:34,727 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:09:34,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:09:44,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:44,959 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:09:45,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:09:46,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:09:46,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:09:49,847 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:09:49,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:10:03,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-03 04:10:19,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:10:39,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:10:39,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 121 states and 246 transitions. [2023-12-03 04:10:39,906 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 246 transitions. [2023-12-03 04:10:39,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:10:39,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:10:39,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:10:39,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:10:39,908 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:10:39,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:10:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:50,005 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:10:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:10:51,217 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:10:51,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:10:51,388 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:10:51,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-03 04:11:03,825 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:11:15,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:11:19,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 123 states and 255 transitions. [2023-12-03 04:11:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 255 transitions. [2023-12-03 04:11:19,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:11:19,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:19,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:19,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:19,223 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:19,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:11:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:28,779 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:30,006 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:11:30,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:11:30,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 04:11:30,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:30,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 123 states and 255 transitions. [2023-12-03 04:11:30,221 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 255 transitions. [2023-12-03 04:11:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:11:30,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:30,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:30,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:30,223 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:30,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:11:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:32,119 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:33,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-03 04:11:33,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:33,198 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-03 04:11:33,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-03 04:11:34,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:11:34,562 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:11:34,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:11:34,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:34,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:34,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:34,563 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:34,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:11:45,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:45,225 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:46,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:46,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:11:46,480 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:46,671 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:11:46,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 04:11:46,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:46,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:11:46,725 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:11:46,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:11:46,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:46,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:46,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:46,727 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:46,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:11:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:57,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:11:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:11:58,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:11:58,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:11:58,319 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:11:58,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:11:58,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:11:58,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:11:58,372 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:11:58,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:11:58,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:11:58,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:11:58,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:11:58,374 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:11:58,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:12:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:09,249 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:10,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:12:10,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:10,623 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:12:10,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:12:10,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:10,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:12:10,698 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:12:10,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:12:10,699 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:10,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:10,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:10,700 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:10,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:12:22,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:22,110 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:23,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:12:23,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:23,403 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:12:23,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:12:23,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:23,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:12:23,461 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:12:23,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:12:23,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:23,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:23,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:23,463 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:23,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:12:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:34,325 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:35,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:12:35,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:35,708 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:12:35,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:12:35,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:35,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:12:35,776 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:12:35,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:12:35,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:35,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:35,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:35,778 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:35,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:12:46,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:46,750 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:12:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:47,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:12:47,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:12:48,053 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:12:48,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2023-12-03 04:12:48,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:12:48,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:12:48,112 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:12:48,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:12:48,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:12:48,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:12:48,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:12:48,114 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:12:48,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:12:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:12:59,177 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:00,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:13:00,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:00,468 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:13:00,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:13:00,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:00,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:13:00,547 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:13:00,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:13:00,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:00,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:00,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:00,549 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:00,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:13:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:11,521 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:12,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:13:12,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:12,833 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:13:12,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 04:13:12,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:12,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:13:12,895 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:13:12,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:13:12,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:12,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:12,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:12,896 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:12,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:13:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:23,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:24,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:13:24,798 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:13:25,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 04:13:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:25,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:13:25,030 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:13:25,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:13:25,030 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:25,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:25,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:25,031 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:25,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:13:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:35,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:36,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:13:36,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:13:37,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2023-12-03 04:13:37,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:37,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:13:37,091 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:13:37,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:13:37,091 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:37,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:37,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:37,093 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:37,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:13:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:47,471 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:13:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:13:48,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:13:48,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:13:48,883 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:13:48,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2023-12-03 04:13:48,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:13:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:13:48,968 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:13:48,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:13:48,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:13:48,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:13:48,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:13:48,970 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:13:48,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:14:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:00,189 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:14:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:01,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:14:01,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:14:01,487 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:14:01,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 04:14:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:01,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:14:01,566 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:14:01,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:14:01,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:01,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:01,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:14:01,567 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:14:01,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:14:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:12,737 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:14:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:13,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:14:13,931 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:14:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:14:14,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:14:14,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:14,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:14:14,170 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:14:14,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:14:14,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:14,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:14,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:14:14,171 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:14:14,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:14:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:25,692 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:14:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:26,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:14:26,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:14:27,167 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:14:27,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2023-12-03 04:14:27,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:27,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:14:27,243 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:14:27,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:14:27,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:27,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:27,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:14:27,244 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:14:27,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:14:39,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:39,078 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:14:40,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:40,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:14:40,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:14:40,477 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:14:40,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:14:40,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:40,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:14:40,545 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:14:40,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:14:40,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:40,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:40,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:14:40,547 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:14:40,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:14:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:52,192 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:14:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:14:53,392 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:14:53,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:14:53,590 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:14:53,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 04:14:53,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:14:53,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:14:53,670 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:14:53,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:14:53,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:14:53,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:14:53,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:14:53,672 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:14:53,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:15:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:05,396 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:15:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:06,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:15:06,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:06,816 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:15:06,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 04:15:06,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:06,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:15:06,900 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:15:06,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:15:06,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:06,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:15:06,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:15:06,902 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:15:06,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:15:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:18,707 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:15:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:19,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:15:19,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:20,069 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:15:20,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 04:15:20,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:20,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:15:20,147 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:15:20,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:15:20,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:20,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:15:20,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:15:20,149 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:15:20,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:15:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:31,525 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:15:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:32,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:15:32,701 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:32,904 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:15:32,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 04:15:32,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:32,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:15:32,980 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:15:32,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:15:32,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:32,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:15:32,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:15:32,981 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:15:32,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:15:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:45,544 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:15:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:46,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:15:46,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:15:46,919 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:15:46,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 04:15:46,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:15:46,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:15:46,996 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:15:46,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:15:46,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:15:46,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:15:46,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:15:46,998 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:15:46,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:15:59,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:15:59,853 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:01,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:16:01,097 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:16:01,303 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:16:01,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 04:16:01,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:01,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:16:01,390 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:16:01,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:16:01,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:01,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:01,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:16:01,392 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:16:01,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:16:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:13,506 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:14,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:16:14,660 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:16:14,833 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:16:14,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 04:16:14,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:14,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:16:14,894 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:16:14,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:16:14,895 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:14,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:14,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:16:14,896 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:16:14,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 04:16:26,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:26,670 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:27,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:27,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:16:27,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:16:27,970 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:16:28,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 04:16:28,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:16:28,044 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:16:28,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:16:28,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:28,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:28,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:16:28,046 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:16:28,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 04:16:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:40,319 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:41,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:16:41,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:16:41,707 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:16:41,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 04:16:41,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:41,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:16:41,793 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:16:41,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:16:41,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:41,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:41,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:16:41,795 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:16:41,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 04:16:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:54,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:16:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:16:55,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:16:55,815 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:16:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:16:56,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2023-12-03 04:16:56,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:16:56,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:16:56,110 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:16:56,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:16:56,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:16:56,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:16:56,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:16:56,112 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:16:56,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 04:17:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:08,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:17:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:09,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:17:09,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:09,841 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:17:09,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 04:17:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:09,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:17:09,917 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:17:09,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:17:09,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:09,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:17:09,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:17:09,919 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:17:09,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:17:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:21,783 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:17:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:22,873 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:17:22,874 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:23,052 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:17:23,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 04:17:23,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:23,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:17:23,118 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:17:23,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:17:23,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:23,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:17:23,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:17:23,119 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:17:23,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:17:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:34,978 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:17:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:36,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:17:36,089 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:36,256 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:17:36,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 04:17:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:36,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:17:36,320 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:17:36,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:17:36,321 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:36,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:17:36,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:17:36,321 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:17:36,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:17:48,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:48,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:17:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:17:49,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:17:49,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:17:49,395 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:17:49,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 04:17:49,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:17:49,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:17:49,458 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:17:49,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:17:49,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:17:49,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:17:49,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:17:49,460 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:17:49,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:18:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:01,656 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:18:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:02,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:18:02,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:03,075 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:18:03,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 04:18:03,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:03,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:18:03,148 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:18:03,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:18:03,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:03,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:03,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:18:03,150 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:18:03,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:18:15,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:15,046 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:18:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:16,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:18:16,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:16,428 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:18:16,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 04:18:16,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:16,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:18:16,496 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:18:16,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:18:16,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:16,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:16,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:18:16,498 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:18:16,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:18:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:29,509 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:18:30,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:30,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:18:30,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:30,923 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:18:30,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:18:30,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:31,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:18:31,000 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:18:31,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:18:31,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:31,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:31,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:18:31,002 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:18:31,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:18:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:44,624 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:18:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:18:45,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 1515 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 04:18:45,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:18:46,064 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-03 04:18:46,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2023-12-03 04:18:46,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:18:46,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 116 states and 230 transitions. [2023-12-03 04:18:46,148 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 230 transitions. [2023-12-03 04:18:46,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-03 04:18:46,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:18:46,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:18:46,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:18:46,149 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:18:46,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_abbfed1d-3161-4447-84c1-9863b98b761b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process