./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b --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 171e6403d0a6e0feba8ddcb2417444714956e517ce217452b8605fc7a675a75e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:13:05,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:13:05,924 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:13:05,929 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:13:05,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:13:05,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:13:05,950 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:13:05,950 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:13:05,950 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:13:05,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:13:05,950 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:13:05,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:13:05,950 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:13:05,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:13:05,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:13:05,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:13:05,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:13:05,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:13:05,951 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:13:05,951 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:13:05,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:13:05,951 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:13:05,951 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:13:05,951 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:13:05,952 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:13:05,952 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:13:05,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:13:05,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:13:05,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:13:05,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:13:05,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:13:05,952 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:13:05,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:13:05,952 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b 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 -> 171e6403d0a6e0feba8ddcb2417444714956e517ce217452b8605fc7a675a75e [2024-12-05 22:13:06,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:13:06,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:13:06,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:13:06,167 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:13:06,167 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:13:06,168 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i [2024-12-05 22:13:08,787 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/data/6dc41e360/74bcdbafd78e44b185313c01a8ea9d4f/FLAGbb6b24668 [2024-12-05 22:13:09,131 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:13:09,131 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i [2024-12-05 22:13:09,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/data/6dc41e360/74bcdbafd78e44b185313c01a8ea9d4f/FLAGbb6b24668 [2024-12-05 22:13:09,359 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/data/6dc41e360/74bcdbafd78e44b185313c01a8ea9d4f [2024-12-05 22:13:09,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:13:09,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:13:09,362 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:13:09,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:13:09,367 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:13:09,367 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:13:09" (1/1) ... [2024-12-05 22:13:09,368 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b4bcbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:09, skipping insertion in model container [2024-12-05 22:13:09,368 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:13:09" (1/1) ... [2024-12-05 22:13:09,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:13:10,208 WARN L250 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_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i[71413,71426] [2024-12-05 22:13:10,415 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:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2556) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:307) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleLoopBody(CHandler.java:3602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1554) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:227) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-05 22:13:10,420 INFO L158 Benchmark]: Toolchain (without parser) took 1057.86ms. Allocated memory is still 142.6MB. Free memory was 111.9MB in the beginning and 83.9MB in the end (delta: 28.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:13:10,421 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:13:10,421 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1056.10ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 83.9MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 22:13:10,422 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1056.10ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 83.9MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b --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 171e6403d0a6e0feba8ddcb2417444714956e517ce217452b8605fc7a675a75e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:13:12,131 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:13:12,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:13:12,233 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:13:12,234 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:13:12,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:13:12,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:13:12,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:13:12,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:13:12,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:13:12,235 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:13:12,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:13:12,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:13:12,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:13:12,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:13:12,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:13:12,235 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:13:12,235 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:13:12,235 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:13:12,235 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:13:12,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:13:12,236 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:13:12,236 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:13:12,236 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:13:12,236 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:13:12,236 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:13:12,236 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:13:12,236 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:13:12,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:13:12,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:13:12,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:13:12,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:13:12,237 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:13:12,237 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:13:12,237 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:13:12,237 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:13:12,237 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b 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 -> 171e6403d0a6e0feba8ddcb2417444714956e517ce217452b8605fc7a675a75e [2024-12-05 22:13:12,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:13:12,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:13:12,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:13:12,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:13:12,472 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:13:12,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i [2024-12-05 22:13:15,152 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/data/e97e1538c/37c428ea09664363bda1888725dccfa5/FLAG7e59a6a63 [2024-12-05 22:13:15,481 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:13:15,481 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i [2024-12-05 22:13:15,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/data/e97e1538c/37c428ea09664363bda1888725dccfa5/FLAG7e59a6a63 [2024-12-05 22:13:15,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/data/e97e1538c/37c428ea09664363bda1888725dccfa5 [2024-12-05 22:13:15,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:13:15,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:13:15,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:13:15,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:13:15,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:13:15,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:13:15" (1/1) ... [2024-12-05 22:13:15,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3feb5526 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:15, skipping insertion in model container [2024-12-05 22:13:15,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:13:15" (1/1) ... [2024-12-05 22:13:15,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:13:16,516 WARN L250 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_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i[71413,71426] [2024-12-05 22:13:16,740 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-05 22:13:16,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:13:16,798 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:13:16,849 WARN L250 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_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/sv-benchmarks/c/neural-networks/softsign_w4_r4_case_1_unsafe.c-amalgamation.i[71413,71426] [2024-12-05 22:13:16,946 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:13:17,134 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:13:17,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:17 WrapperNode [2024-12-05 22:13:17,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:13:17,136 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:13:17,136 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:13:17,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:13:17,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:17" (1/1) ... [2024-12-05 22:13:17,194 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:17" (1/1) ... [2024-12-05 22:13:17,233 INFO L138 Inliner]: procedures = 780, calls = 729, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 418 [2024-12-05 22:13:17,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:13:17,234 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:13:17,235 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:13:17,235 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:13:17,240 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:17" (1/1) ... [2024-12-05 22:13:17,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:17" (1/1) ... [2024-12-05 22:13:17,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:17" (1/1) ... [2024-12-05 22:13:17,246 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:17" (1/1) ... [2024-12-05 22:13:17,271 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:17" (1/1) ... [2024-12-05 22:13:17,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:17" (1/1) ... [2024-12-05 22:13:17,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:17" (1/1) ... [2024-12-05 22:13:17,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:17" (1/1) ... [2024-12-05 22:13:17,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:17" (1/1) ... [2024-12-05 22:13:17,293 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:13:17,294 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:13:17,294 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:13:17,294 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:13:17,295 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:13:17" (1/1) ... [2024-12-05 22:13:17,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:13:17,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:13:17,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:13:17,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:13:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-05 22:13:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNN [2024-12-05 22:13:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNN [2024-12-05 22:13:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-05 22:13:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:13:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:13:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:13:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-05 22:13:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-05 22:13:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:13:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-05 22:13:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_affine_matmul [2024-12-05 22:13:17,354 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_affine_matmul [2024-12-05 22:13:17,354 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-05 22:13:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-05 22:13:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:13:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:13:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-05 22:13:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-05 22:13:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_simpleRNNcell [2024-12-05 22:13:17,355 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_simpleRNNcell [2024-12-05 22:13:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 22:13:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-05 22:13:17,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-05 22:13:17,526 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:13:17,528 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:13:36,316 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-12-05 22:13:36,316 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:13:36,610 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:13:36,610 INFO L312 CfgBuilder]: Removed 20 assume(true) statements. [2024-12-05 22:13:36,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:13:36 BoogieIcfgContainer [2024-12-05 22:13:36,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:13:36,611 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:13:36,612 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:13:36,621 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:13:36,621 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:13:36" (1/1) ... [2024-12-05 22:13:36,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:13:36,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:13:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 67 states and 102 transitions. [2024-12-05 22:13:36,670 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 102 transitions. [2024-12-05 22:13:36,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:13:36,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:13:36,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:13:36,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:13:36,674 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:13:36,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:13:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:13:45,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:13:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:13:45,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-05 22:13:45,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:13:46,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:13:46,206 INFO L224 Elim1Store]: Index analysis took 107 ms [2024-12-05 22:13:46,986 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-12-05 22:13:46,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 89 [2024-12-05 22:13:47,048 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:13:47,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:13:47,487 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:13:47,488 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 483 treesize of output 485 [2024-12-05 22:13:51,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:13:51,781 INFO L224 Elim1Store]: Index analysis took 169 ms [2024-12-05 22:13:52,900 INFO L349 Elim1Store]: treesize reduction 81, result has 14.7 percent of original size [2024-12-05 22:13:52,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 101 treesize of output 93 [2024-12-05 22:13:52,966 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:13:53,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:13:53,388 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:13:53,388 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 483 treesize of output 485 [2024-12-05 22:13:59,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:13:59,804 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 85 [2024-12-05 22:13:59,829 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:13:59,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2297 treesize of output 2293 [2024-12-05 22:14:03,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:14:03,297 INFO L224 Elim1Store]: Index analysis took 103 ms [2024-12-05 22:14:03,955 INFO L349 Elim1Store]: treesize reduction 60, result has 13.0 percent of original size [2024-12-05 22:14:03,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 96 treesize of output 89 [2024-12-05 22:14:03,976 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:14:04,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2297 treesize of output 2293 [2024-12-05 22:14:08,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:14:08,014 INFO L224 Elim1Store]: Index analysis took 102 ms [2024-12-05 22:14:08,466 INFO L349 Elim1Store]: treesize reduction 72, result has 6.5 percent of original size [2024-12-05 22:14:08,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 85 [2024-12-05 22:14:08,514 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:14:08,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:14:08,898 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 22:14:08,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 483 treesize of output 485 [2024-12-05 22:14:14,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:14:14,202 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 85 [2024-12-05 22:14:14,374 INFO L209 tifierPushTermWalker]: Run 10 iterations without descend maybe there is a nontermination bug. [2024-12-05 22:14:14,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-05 22:14:14,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 335 treesize of output 333 [2024-12-05 22:14:22,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:14:22,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:14:34,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-05 22:14:37,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result VALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:14:39,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:14:39,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 71 states and 110 transitions. [2024-12-05 22:14:39,949 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2024-12-05 22:14:39,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:14:39,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:14:39,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:14:39,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:14:39,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:14:39,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:14:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:14:40,705 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:14:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:14:41,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:14:41,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:14:43,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:14:43,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-05 22:14:59,856 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-05 22:15:14,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:15:14,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 75 states and 119 transitions. [2024-12-05 22:15:14,858 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2024-12-05 22:15:14,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:15:14,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:15:14,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:15:14,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:15:14,861 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:15:14,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:15:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:15:15,570 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:15:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:15:15,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:15:15,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:15:20,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:15:20,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:15:40,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-05 22:16:18,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:18,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 80 states and 135 transitions. [2024-12-05 22:16:18,681 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 135 transitions. [2024-12-05 22:16:18,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:16:18,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:18,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:16:18,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:16:18,684 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:16:18,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:16:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:19,427 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:16:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:19,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:16:19,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:20,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:20,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:16:27,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:27,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 81 states and 138 transitions. [2024-12-05 22:16:27,770 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 138 transitions. [2024-12-05 22:16:27,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:16:27,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:27,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:16:27,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:16:27,773 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:16:27,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:16:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:28,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:16:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:28,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:16:28,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:16:29,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:16:37,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:16:37,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 82 states and 141 transitions. [2024-12-05 22:16:37,739 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 141 transitions. [2024-12-05 22:16:37,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 22:16:37,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:16:37,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:16:37,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:16:37,742 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:16:37,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:16:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:38,646 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:16:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:16:39,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:16:39,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:16:41,766 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 22:16:41,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:17:03,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:03,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 85 states and 149 transitions. [2024-12-05 22:17:03,195 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 149 transitions. [2024-12-05 22:17:03,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 22:17:03,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:03,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:03,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:17:03,198 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:17:03,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:17:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:04,068 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:17:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:04,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 739 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 22:17:04,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:17:04,627 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 22:17:04,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:17:15,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:15,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 87 states and 158 transitions. [2024-12-05 22:17:15,060 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 158 transitions. [2024-12-05 22:17:15,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-05 22:17:15,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:15,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:15,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:17:15,063 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:17:15,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:17:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:16,000 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:17:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:16,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 741 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:17:16,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:17:29,390 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:17:29,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:17:43,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:17:43,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 89 states and 163 transitions. [2024-12-05 22:17:43,572 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 163 transitions. [2024-12-05 22:17:43,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 22:17:43,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:17:43,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:17:43,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:17:43,575 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:17:43,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:17:44,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:44,624 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:17:44,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:17:45,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:17:45,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:17:45,725 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 22:17:45,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:18:18,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:18,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 95 states and 179 transitions. [2024-12-05 22:18:18,700 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 179 transitions. [2024-12-05 22:18:18,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 22:18:18,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:18,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:18,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:18,703 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:18,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:18:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:19,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:20,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:18:20,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:20,982 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-05 22:18:20,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 22:18:26,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:26,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 100 states and 187 transitions. [2024-12-05 22:18:26,714 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 187 transitions. [2024-12-05 22:18:26,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 22:18:26,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:26,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:26,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:26,717 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:26,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:18:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:27,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:28,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 22:18:28,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:28,751 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 22:18:28,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:18:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:28,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 100 states and 186 transitions. [2024-12-05 22:18:28,976 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 186 transitions. [2024-12-05 22:18:28,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:18:28,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:28,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:28,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:28,978 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:28,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:18:30,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:30,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:30,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:30,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:18:30,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:31,253 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:18:31,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:18:53,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:53,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 102 states and 189 transitions. [2024-12-05 22:18:53,966 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 189 transitions. [2024-12-05 22:18:53,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:18:53,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:53,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:18:53,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:18:53,969 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:18:53,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:18:55,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:55,126 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:18:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:55,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 22:18:55,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:18:56,212 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-05 22:18:56,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 22:19:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:01,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 95 states and 169 transitions. [2024-12-05 22:19:01,829 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 169 transitions. [2024-12-05 22:19:01,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:19:01,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:01,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:19:01,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:19:01,832 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:19:01,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:19:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:03,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:19:04,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:04,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:19:04,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:19:22,530 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:19:22,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 22:19:54,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-12-05 22:20:32,788 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 22:22:14,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:14,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:22:14,419 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:22:14,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:22:14,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:14,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:14,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:14,421 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:14,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:22:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:16,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:16,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:16,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:16,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:17,757 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:22:17,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-12-05 22:22:17,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:17,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:22:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:22:17,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:22:17,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:17,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:17,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:17,793 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:17,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 22:22:19,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:19,961 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:20,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:20,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:20,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:22:21,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 22:22:21,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:21,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:22:21,322 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:22:21,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:22:21,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:21,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:21,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:21,324 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:21,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 22:22:23,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:23,579 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:23,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:23,954 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:22:24,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 22:22:24,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:24,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:22:24,912 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:22:24,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:22:24,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:24,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:24,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:24,914 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:24,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 22:22:26,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:26,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:27,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:27,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:27,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:22:28,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 22:22:28,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:28,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:22:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:22:28,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:22:28,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:28,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:28,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:28,233 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:28,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 22:22:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:30,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:30,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:30,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:31,678 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:22:31,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 22:22:31,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:31,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:22:31,715 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:22:31,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:22:31,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:31,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:31,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:31,717 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:31,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 22:22:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:34,124 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:34,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:34,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:35,435 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:22:35,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 22:22:35,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:35,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:22:35,472 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:22:35,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:22:35,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:35,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:35,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:35,475 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:35,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 22:22:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:37,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:38,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:38,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:39,075 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:22:39,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 22:22:39,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:39,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:22:39,112 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:22:39,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:22:39,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:39,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:39,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:39,114 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:39,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 22:22:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:41,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:41,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:41,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:41,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:42,809 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:22:42,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 22:22:42,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:42,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:22:42,883 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:22:42,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:22:42,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:42,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:42,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:42,885 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:42,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 22:22:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:45,423 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:45,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:45,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:45,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:46,762 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:22:46,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 22:22:46,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:46,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:22:46,806 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:22:46,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:22:46,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:46,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:46,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:46,808 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:46,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 22:22:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:49,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:49,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:49,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:50,635 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:22:50,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 22:22:50,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:50,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:22:50,679 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:22:50,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:22:50,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:50,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:50,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:50,682 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:50,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 22:22:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:53,284 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:53,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:53,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:54,577 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:22:54,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 22:22:54,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:54,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:22:54,617 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:22:54,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:22:54,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:54,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:54,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:54,619 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:54,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 22:22:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:57,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:22:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:57,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:22:57,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:22:58,622 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:22:58,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 22:22:58,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:58,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:22:58,671 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:22:58,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:22:58,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:58,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:22:58,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:22:58,673 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:22:58,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 22:23:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:01,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:01,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:01,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:02,651 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:23:02,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 22:23:02,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:02,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:23:02,694 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:23:02,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:23:02,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:02,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:02,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:02,697 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:02,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 22:23:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:05,371 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:05,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:05,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:05,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:06,685 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:23:06,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 22:23:06,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:06,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:23:06,727 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:23:06,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:23:06,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:06,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:06,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:06,730 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:06,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 22:23:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:09,487 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:09,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:09,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:10,817 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:23:10,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 22:23:10,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:10,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:23:10,861 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:23:10,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:23:10,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:10,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:10,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:10,863 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:10,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 22:23:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:13,724 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:14,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:14,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:15,038 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:23:15,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 22:23:15,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:15,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:23:15,084 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:23:15,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:23:15,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:15,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:15,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:15,086 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:15,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 22:23:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:17,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:18,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:18,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:19,193 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:23:19,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 22:23:19,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:19,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:23:19,239 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:23:19,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:23:19,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:19,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:19,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:19,241 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:19,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 22:23:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:22,176 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:22,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:22,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:23:23,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-05 22:23:23,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:23,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:23:23,514 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:23:23,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:23:23,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:23,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:23,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:23,516 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:23,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 22:23:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:26,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:26,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:26,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:27,811 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:23:27,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 22:23:27,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:27,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:23:27,862 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:23:27,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:23:27,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:27,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:27,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:27,864 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:27,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 22:23:30,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:30,946 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:31,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:31,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:32,239 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:23:32,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 22:23:32,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:32,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:23:32,287 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:23:32,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:23:32,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:32,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:32,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:32,289 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:32,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 22:23:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:35,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:35,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:35,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:23:36,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 22:23:36,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:36,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:23:36,633 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:23:36,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:23:36,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:36,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:36,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:36,635 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:36,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 22:23:39,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:39,875 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:40,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:40,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:41,182 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:23:41,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 22:23:41,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:41,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:23:41,236 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:23:41,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:23:41,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:41,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:41,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:41,238 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:41,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 22:23:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:44,431 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:44,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:44,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:23:45,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-05 22:23:45,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:45,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:23:45,780 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:23:45,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:23:45,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:45,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:45,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:45,782 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:45,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 22:23:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:48,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:49,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:49,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:50,311 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:23:50,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-05 22:23:50,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:50,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:23:50,362 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:23:50,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:23:50,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:50,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:50,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:50,364 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:50,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-05 22:23:53,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:53,461 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:53,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:53,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:54,792 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:23:54,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-05 22:23:54,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:54,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:23:54,846 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:23:54,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:23:54,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:54,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:54,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:54,848 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:54,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-05 22:23:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:58,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:23:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:23:58,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:23:58,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:23:59,611 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:23:59,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-05 22:23:59,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:23:59,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:23:59,667 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:23:59,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:23:59,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:23:59,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:23:59,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:23:59,669 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:23:59,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-05 22:24:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:03,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:03,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:03,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:03,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:04,622 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:24:04,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-12-05 22:24:04,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:04,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:24:04,677 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:24:04,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:24:04,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:04,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:04,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:04,679 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:04,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-05 22:24:08,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:08,073 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:08,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:08,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:08,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:09,377 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:24:09,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-05 22:24:09,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:09,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:24:09,437 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:24:09,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:24:09,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:09,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:09,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:09,440 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:09,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-05 22:24:13,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:13,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:13,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:13,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:14,361 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:24:14,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-05 22:24:14,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:14,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:24:14,423 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:24:14,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:24:14,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:14,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:14,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:14,425 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:14,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-05 22:24:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:17,927 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:18,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:18,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:19,227 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:24:19,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-05 22:24:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:24:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:24:19,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:24:19,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:19,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:19,273 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:19,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-05 22:24:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:22,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:23,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:23,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:24,235 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:24:24,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-05 22:24:24,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:24,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:24:24,279 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:24:24,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:24:24,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:24,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:24,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:24,281 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:24,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-05 22:24:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:27,839 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:28,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:28,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:24:29,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-12-05 22:24:29,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:29,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:24:29,222 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:24:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:24:29,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:29,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:29,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:29,224 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:29,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-05 22:24:32,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:32,868 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:33,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:33,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:24:34,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-05 22:24:34,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:34,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:24:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:24:34,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:24:34,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:34,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:34,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:34,243 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:34,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-05 22:24:37,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:37,912 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:38,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:38,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:39,205 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:24:39,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-05 22:24:39,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:39,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:24:39,250 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:24:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:24:39,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:39,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:39,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:39,252 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:39,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-05 22:24:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:42,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:43,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:43,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:44,245 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:24:44,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-05 22:24:44,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:44,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:24:44,292 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:24:44,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:24:44,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:44,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:44,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:44,294 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:44,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-05 22:24:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:48,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:48,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:48,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:48,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:49,511 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:24:49,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-05 22:24:49,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:49,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:24:49,557 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:24:49,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:24:49,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:49,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:49,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:49,559 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:49,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-05 22:24:53,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:53,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:53,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:53,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:24:54,729 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:24:54,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-05 22:24:54,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:54,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:24:54,776 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:24:54,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:24:54,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:54,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:24:54,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:24:54,778 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:24:54,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-05 22:24:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:58,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:24:59,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:59,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:24:59,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:00,063 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:25:00,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-05 22:25:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:25:00,114 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:25:00,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:25:00,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:00,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:00,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:00,116 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:00,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-05 22:25:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:04,110 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:04,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:04,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:05,462 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:25:05,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-12-05 22:25:05,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:25:05,509 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:25:05,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:25:05,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:05,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:05,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:05,511 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:05,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-05 22:25:09,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:09,757 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:10,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:10,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:10,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:11,112 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:25:11,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-05 22:25:11,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:11,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:25:11,161 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:25:11,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:25:11,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:11,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:11,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:11,163 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:11,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-05 22:25:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:15,212 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:15,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:15,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:16,537 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:25:16,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-05 22:25:16,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:16,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:25:16,587 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:25:16,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:25:16,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:16,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:16,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:16,589 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:16,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-05 22:25:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:20,610 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:21,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:21,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:21,978 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:25:22,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-05 22:25:22,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:22,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:25:22,027 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:25:22,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:25:22,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:22,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:22,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:22,029 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:22,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-05 22:25:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:26,326 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:26,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:26,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:27,648 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:25:27,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-12-05 22:25:27,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:27,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:25:27,701 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:25:27,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:25:27,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:27,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:27,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:27,704 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:27,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-05 22:25:31,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:31,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:32,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:32,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:33,043 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:25:33,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-05 22:25:33,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:33,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:25:33,093 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:25:33,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:25:33,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:33,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:33,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:33,095 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:33,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-05 22:25:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:37,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:37,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:37,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:38,844 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:25:38,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-05 22:25:38,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:38,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:25:38,898 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:25:38,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:25:38,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:38,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:38,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:38,900 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:38,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-05 22:25:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:43,319 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:43,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:43,701 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:44,630 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:25:44,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-05 22:25:44,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:44,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:25:44,682 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:25:44,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:25:44,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:44,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:44,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:44,683 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:44,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-05 22:25:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:48,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:49,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:49,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:25:50,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-05 22:25:50,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:50,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:25:50,339 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:25:50,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:25:50,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:50,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:50,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:50,341 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:50,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-05 22:25:54,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:54,844 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:25:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:25:55,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:25:55,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:25:56,152 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:25:56,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-05 22:25:56,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:25:56,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:25:56,204 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:25:56,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:25:56,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:25:56,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:25:56,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:25:56,206 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:25:56,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-05 22:26:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:00,622 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:00,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:00,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:00,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:01,926 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:26:01,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-05 22:26:01,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:01,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:26:01,979 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:26:01,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:26:01,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:01,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:01,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:01,981 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:01,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-05 22:26:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:06,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:06,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:06,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:07,819 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:26:07,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-05 22:26:07,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:07,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:26:07,876 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:26:07,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:26:07,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:07,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:07,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:07,878 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:07,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-05 22:26:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:12,560 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:12,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:12,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:13,885 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:26:13,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-05 22:26:13,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:13,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:26:13,964 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:26:13,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:26:13,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:13,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:13,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:13,966 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:13,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-05 22:26:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:18,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:18,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:18,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:19,518 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:26:19,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-05 22:26:19,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:19,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:26:19,616 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:26:19,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:26:19,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:19,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:19,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:19,618 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:19,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-05 22:26:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:24,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:24,727 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:24,728 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:25,661 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:26:25,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-05 22:26:25,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:25,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:26:25,716 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:26:25,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:26:25,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:25,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:25,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:25,718 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:25,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-05 22:26:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:30,391 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:30,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:30,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:31,712 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:26:31,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-05 22:26:31,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:31,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:26:31,767 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:26:31,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:26:31,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:31,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:31,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:31,768 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:31,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-05 22:26:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:36,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:36,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:36,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:36,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:26:37,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-05 22:26:37,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:37,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:26:37,960 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:26:37,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:26:37,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:37,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:37,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:37,962 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:37,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-05 22:26:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:42,790 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:43,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:43,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:44,124 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:26:44,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-05 22:26:44,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:44,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:26:44,179 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:26:44,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:26:44,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:44,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:44,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:44,181 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:44,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-05 22:26:48,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:48,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:49,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:49,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:49,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:50,196 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:26:50,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-05 22:26:50,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:50,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:26:50,252 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:26:50,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:26:50,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:50,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:50,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:50,254 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:50,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-05 22:26:55,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:55,284 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:26:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:26:55,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:26:55,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:26:56,579 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:26:56,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-05 22:26:56,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:26:56,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:26:56,636 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:26:56,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:26:56,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:26:56,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:26:56,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:26:56,638 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:26:56,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-05 22:27:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:01,670 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:02,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:02,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:03,070 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:27:03,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-05 22:27:03,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:27:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:27:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:27:03,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:03,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:03,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:03,129 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:03,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-05 22:27:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:08,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:08,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:08,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:08,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:09,666 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:27:09,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-05 22:27:09,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:09,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:27:09,725 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:27:09,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:27:09,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:09,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:09,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:09,726 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:09,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-05 22:27:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:14,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:15,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:15,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:16,272 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:27:16,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-12-05 22:27:16,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:16,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:27:16,335 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:27:16,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:27:16,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:16,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:16,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:16,337 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:16,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-05 22:27:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:21,882 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:22,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:22,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:23,321 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:27:23,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-12-05 22:27:23,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:23,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:27:23,382 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:27:23,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:27:23,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:23,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:23,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:23,384 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:23,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-05 22:27:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:28,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:29,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:29,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:30,107 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:27:30,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-05 22:27:30,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:30,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:27:30,170 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:27:30,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:27:30,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:30,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:30,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:30,172 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:30,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-05 22:27:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:35,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:36,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:36,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:37,014 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:27:37,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-12-05 22:27:37,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:37,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:27:37,080 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:27:37,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:27:37,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:37,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:37,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:37,082 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:37,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-05 22:27:42,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:42,602 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:43,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:43,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:43,990 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:27:44,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-12-05 22:27:44,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:44,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:27:44,051 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:27:44,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:27:44,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:44,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:44,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:44,053 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:44,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-05 22:27:49,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:49,036 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:49,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:49,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:50,374 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:27:50,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-12-05 22:27:50,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:27:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:27:50,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:27:50,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:50,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:50,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:50,442 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:50,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-05 22:27:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:55,726 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:27:56,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:27:56,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 753 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 22:27:56,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:27:57,127 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 22:27:57,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-12-05 22:27:57,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:27:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 106 states and 207 transitions. [2024-12-05 22:27:57,188 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 207 transitions. [2024-12-05 22:27:57,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-12-05 22:27:57,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:27:57,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:27:57,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:27:57,189 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:27:57,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fe6a2bac-e0ab-4ef0-bf23-82e75fe403ac/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process