./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.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_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/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_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/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_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/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 cc9e8ec61ddd555c49014d4229a4f0ef2e5928362903a92e8956f4fd9fb0ba62 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:36:16,976 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:36:17,027 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:36:17,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:36:17,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:36:17,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:36:17,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:36:17,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:36:17,051 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:36:17,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:36:17,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:36:17,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:36:17,052 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:36:17,052 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:36:17,052 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:36:17,052 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:36:17,052 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:36:17,052 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:36:17,052 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:36:17,053 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:36:17,053 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:36:17,053 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:36:17,053 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:36:17,053 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:36:17,053 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:36:17,053 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:36:17,053 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:36:17,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:36:17,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:36:17,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:36:17,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:36:17,054 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:36:17,054 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:36:17,054 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_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/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 -> cc9e8ec61ddd555c49014d4229a4f0ef2e5928362903a92e8956f4fd9fb0ba62 [2024-12-06 02:36:17,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:36:17,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:36:17,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:36:17,257 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:36:17,257 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:36:17,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i [2024-12-06 02:36:19,825 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/data/66de3e36f/b5103374dfcd490c9b4007be40a680b2/FLAGce14321b2 [2024-12-06 02:36:20,150 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:36:20,151 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i [2024-12-06 02:36:20,173 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/data/66de3e36f/b5103374dfcd490c9b4007be40a680b2/FLAGce14321b2 [2024-12-06 02:36:20,411 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/data/66de3e36f/b5103374dfcd490c9b4007be40a680b2 [2024-12-06 02:36:20,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:36:20,414 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:36:20,415 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:36:20,415 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:36:20,418 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:36:20,419 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:20" (1/1) ... [2024-12-06 02:36:20,420 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2cafcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:20, skipping insertion in model container [2024-12-06 02:36:20,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:20" (1/1) ... [2024-12-06 02:36:20,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:36:21,232 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:1494) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:253) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3184) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:3028) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2273) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:144) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1228) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:215) 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:36:21,238 INFO L158 Benchmark]: Toolchain (without parser) took 823.20ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 68.9MB in the end (delta: 19.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:36:21,239 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:36:21,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 821.38ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 68.9MB in the end (delta: 19.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:36:21,240 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 821.38ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 68.9MB in the end (delta: 19.7MB). 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_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/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_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/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_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/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 cc9e8ec61ddd555c49014d4229a4f0ef2e5928362903a92e8956f4fd9fb0ba62 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:36:22,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:36:23,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:36:23,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:36:23,096 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:36:23,096 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:36:23,097 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:36:23,097 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:36:23,097 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:36:23,097 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:36:23,097 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:36:23,097 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:36:23,097 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:36:23,098 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:36:23,098 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:36:23,098 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:36:23,098 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:36:23,098 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:36:23,098 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:36:23,098 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:36:23,098 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:36:23,098 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:36:23,098 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:36:23,099 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:36:23,099 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:36:23,099 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:36:23,099 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:23,099 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:36:23,099 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:36:23,099 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:36:23,099 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:36:23,100 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:36:23,100 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:36:23,100 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:36:23,100 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:36:23,100 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:36:23,100 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_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/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 -> cc9e8ec61ddd555c49014d4229a4f0ef2e5928362903a92e8956f4fd9fb0ba62 [2024-12-06 02:36:23,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:36:23,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:36:23,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:36:23,331 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:36:23,332 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:36:23,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i [2024-12-06 02:36:25,959 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/data/bd87b9d67/4d70d5cf22394817a8053879f386cab2/FLAGfca40077c [2024-12-06 02:36:26,285 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:36:26,286 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i [2024-12-06 02:36:26,309 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/data/bd87b9d67/4d70d5cf22394817a8053879f386cab2/FLAGfca40077c [2024-12-06 02:36:26,324 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/data/bd87b9d67/4d70d5cf22394817a8053879f386cab2 [2024-12-06 02:36:26,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:36:26,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:36:26,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:36:26,330 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:36:26,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:36:26,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:26" (1/1) ... [2024-12-06 02:36:26,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd363f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:26, skipping insertion in model container [2024-12-06 02:36:26,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:36:26" (1/1) ... [2024-12-06 02:36:26,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:36:27,225 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_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i[71475,71488] [2024-12-06 02:36:27,494 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:36:27,497 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:36:27,509 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:36:27,555 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_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/sv-benchmarks/c/neural-networks/poly_4_4_4_4_thresh_2_safe.c-amalgamation.i[71475,71488] [2024-12-06 02:36:27,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:36:27,838 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:36:27,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:27 WrapperNode [2024-12-06 02:36:27,839 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:36:27,840 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:36:27,840 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:36:27,840 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:36:27,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:27" (1/1) ... [2024-12-06 02:36:27,888 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:27" (1/1) ... [2024-12-06 02:36:27,945 INFO L138 Inliner]: procedures = 779, calls = 623, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1195 [2024-12-06 02:36:27,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:36:27,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:36:27,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:36:27,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:36:27,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:27" (1/1) ... [2024-12-06 02:36:27,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:27" (1/1) ... [2024-12-06 02:36:27,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:27" (1/1) ... [2024-12-06 02:36:27,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:27" (1/1) ... [2024-12-06 02:36:28,003 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:27" (1/1) ... [2024-12-06 02:36:28,006 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:27" (1/1) ... [2024-12-06 02:36:28,015 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:27" (1/1) ... [2024-12-06 02:36:28,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:27" (1/1) ... [2024-12-06 02:36:28,026 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:27" (1/1) ... [2024-12-06 02:36:28,037 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:36:28,038 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:36:28,038 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:36:28,038 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:36:28,039 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:36:27" (1/1) ... [2024-12-06 02:36:28,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:36:28,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:36:28,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:36:28,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:36:28,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 02:36:28,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-06 02:36:28,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:36:28,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:36:28,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:36:28,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-06 02:36:28,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-06 02:36:28,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:36:28,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 02:36:28,087 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-12-06 02:36:28,087 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-12-06 02:36:28,087 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 02:36:28,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 02:36:28,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:36:28,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:36:28,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 02:36:28,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-06 02:36:28,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 02:36:28,088 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-12-06 02:36:28,088 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-12-06 02:36:28,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 02:36:28,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 02:36:28,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 02:36:28,088 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-12-06 02:36:28,088 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-12-06 02:36:28,311 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:36:28,313 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:37:12,768 INFO L? ?]: Removed 247 outVars from TransFormulas that were not future-live. [2024-12-06 02:37:12,768 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:37:13,377 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:37:13,377 INFO L312 CfgBuilder]: Removed 44 assume(true) statements. [2024-12-06 02:37:13,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:37:13 BoogieIcfgContainer [2024-12-06 02:37:13,378 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:37:13,379 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:37:13,379 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:37:13,388 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:37:13,389 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:37:13" (1/1) ... [2024-12-06 02:37:13,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:37:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:37:13,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2024-12-06 02:37:13,448 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2024-12-06 02:37:13,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-06 02:37:13,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:37:13,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:37:13,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:37:13,459 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:37:13,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:37:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:37:16,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:37:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:37:17,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 1427 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:37:18,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:37:19,111 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-12-06 02:37:19,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:37:29,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:37:31,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:37:33,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:37:37,071 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:37:37,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:37:37,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 121 states and 216 transitions. [2024-12-06 02:37:37,135 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 216 transitions. [2024-12-06 02:37:37,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-12-06 02:37:37,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:37:37,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:37:37,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:37:37,141 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:37:37,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:37:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:37:39,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:37:40,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:37:40,890 INFO L256 TraceCheckSpWp]: Trace formula consists of 1429 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:37:40,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:37:42,020 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-12-06 02:37:42,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:37:44,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:37:44,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 128 states and 239 transitions. [2024-12-06 02:37:44,369 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 239 transitions. [2024-12-06 02:37:44,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-06 02:37:44,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:37:44,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:37:44,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:37:44,374 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:37:44,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:37:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:37:47,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:37:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:37:48,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 1436 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:37:48,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:37:49,036 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-06 02:37:49,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:37:51,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:37:51,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:37:51,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 129 states and 241 transitions. [2024-12-06 02:37:51,184 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 241 transitions. [2024-12-06 02:37:51,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-06 02:37:51,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:37:51,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:37:51,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:37:51,190 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:37:51,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:37:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:37:54,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:37:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:37:55,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:37:55,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:37:56,333 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-12-06 02:37:56,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 02:37:58,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:38:01,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:38:01,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 268 transitions. [2024-12-06 02:38:01,597 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 268 transitions. [2024-12-06 02:38:01,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-06 02:38:01,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:38:01,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:38:01,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:38:01,602 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:38:01,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 02:38:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:04,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:38:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:05,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:38:05,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:38:06,299 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-12-06 02:38:06,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 02:38:08,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:38:11,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:38:11,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:38:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 138 states and 269 transitions. [2024-12-06 02:38:11,552 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 269 transitions. [2024-12-06 02:38:11,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-06 02:38:11,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:38:11,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:38:11,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:38:11,555 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:38:11,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 02:38:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:14,475 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:38:15,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:15,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:38:15,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:38:16,949 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 02:38:16,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 02:38:20,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:38:20,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 145 states and 296 transitions. [2024-12-06 02:38:20,508 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 296 transitions. [2024-12-06 02:38:20,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-06 02:38:20,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:38:20,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:38:20,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:38:20,513 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:38:20,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 02:38:23,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:23,639 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:38:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:24,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 1482 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:38:24,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:38:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-12-06 02:38:26,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 02:38:30,610 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 02:38:35,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:38:35,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 154 states and 329 transitions. [2024-12-06 02:38:35,146 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 329 transitions. [2024-12-06 02:38:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-06 02:38:35,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:38:35,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:38:35,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:38:35,150 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:38:35,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 02:38:38,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:38,258 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:38:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:39,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:38:39,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:38:41,338 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-12-06 02:38:41,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 02:38:47,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:38:47,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 161 states and 360 transitions. [2024-12-06 02:38:47,043 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 360 transitions. [2024-12-06 02:38:47,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-06 02:38:47,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:38:47,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:38:47,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:38:47,046 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:38:47,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 02:38:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:50,508 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:38:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:38:51,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:38:51,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:38:55,940 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-06 02:38:55,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 02:39:07,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:39:43,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:39:43,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2024-12-06 02:39:43,528 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2024-12-06 02:39:43,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:39:43,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:39:43,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:39:43,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:39:43,531 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:39:43,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 02:39:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:46,742 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:39:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:39:47,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:39:47,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:39:54,945 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:39:54,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 02:40:02,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:40:02,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 186 states and 448 transitions. [2024-12-06 02:40:02,442 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 448 transitions. [2024-12-06 02:40:02,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-06 02:40:02,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:40:02,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:40:02,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:40:02,446 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:40:02,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 02:40:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:05,769 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:40:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:06,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 1439 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:40:06,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:40:09,712 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-12-06 02:40:09,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 02:40:22,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:40:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 193 states and 466 transitions. [2024-12-06 02:40:22,927 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 466 transitions. [2024-12-06 02:40:22,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:40:22,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:40:22,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:40:22,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:40:22,931 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:40:22,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 02:40:26,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:26,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:40:28,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:28,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:40:28,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:40:33,906 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:40:33,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 02:40:42,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:40:42,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 193 states and 466 transitions. [2024-12-06 02:40:42,844 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 466 transitions. [2024-12-06 02:40:42,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-06 02:40:42,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:40:42,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:40:42,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:40:42,849 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:40:42,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 02:40:46,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:46,252 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:40:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:40:47,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:40:47,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:40:55,237 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-12-06 02:40:55,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 02:41:14,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:41:16,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:41:16,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 201 states and 479 transitions. [2024-12-06 02:41:16,376 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 479 transitions. [2024-12-06 02:41:16,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-06 02:41:16,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:41:16,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:41:16,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:41:16,380 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:41:16,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 02:41:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:19,929 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:41:20,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:20,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 1451 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:41:20,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:41:25,558 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-12-06 02:41:25,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 02:41:32,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:41:32,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 206 states and 496 transitions. [2024-12-06 02:41:32,708 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 496 transitions. [2024-12-06 02:41:32,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:41:32,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:41:32,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:41:32,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:41:32,713 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:41:32,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 02:41:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:36,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:41:37,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:37,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:41:37,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:41:42,795 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:41:42,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 02:41:45,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:41:45,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 206 states and 496 transitions. [2024-12-06 02:41:45,014 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 496 transitions. [2024-12-06 02:41:45,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:41:45,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:41:45,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:41:45,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:41:45,019 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:41:45,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 02:41:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:48,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:41:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:41:49,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:41:49,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:41:54,661 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:41:54,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 02:41:56,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:41:56,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 206 states and 496 transitions. [2024-12-06 02:41:56,784 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 496 transitions. [2024-12-06 02:41:56,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-06 02:41:56,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:41:56,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:41:56,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:41:56,788 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:41:56,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 02:42:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:00,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:42:01,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:01,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 1452 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:42:01,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:42:06,250 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-12-06 02:42:06,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 02:42:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:20,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 213 states and 519 transitions. [2024-12-06 02:42:20,604 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 519 transitions. [2024-12-06 02:42:20,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-06 02:42:20,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:20,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:42:20,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:42:20,607 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:42:20,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 02:42:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:24,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:42:25,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:42:25,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 1454 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:42:25,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:42:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-12-06 02:42:33,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 02:42:43,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:42:44,093 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 02:42:56,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:42:56,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:42:56,706 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:42:56,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:42:56,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:42:56,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:42:56,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:42:56,709 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:42:56,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 02:43:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:00,642 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:43:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:01,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:43:01,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:43:06,535 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:43:06,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 02:43:08,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:43:08,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:43:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:43:08,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:43:08,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:43:08,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:43:08,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:43:08,653 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:43:08,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 02:43:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:12,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:43:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:13,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:43:13,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:43:18,485 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:43:18,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 02:43:20,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:43:20,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:43:20,637 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:43:20,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:43:20,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:43:20,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:43:20,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:43:20,639 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:43:20,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 02:43:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:25,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:43:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:26,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:43:26,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:43:30,986 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:43:31,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 02:43:33,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:43:33,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:43:33,132 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:43:33,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:43:33,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:43:33,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:43:33,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:43:33,135 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:43:33,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 02:43:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:37,320 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:43:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:38,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:43:38,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:43:43,293 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:43:43,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 02:43:45,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:43:45,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:43:45,412 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:43:45,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:43:45,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:43:45,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:43:45,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:43:45,415 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:43:45,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 02:43:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:49,709 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:43:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:43:50,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:43:50,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:43:55,701 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:43:55,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 02:43:57,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:43:57,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:43:57,817 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:43:57,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:43:57,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:43:57,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:43:57,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:43:57,819 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:43:57,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 02:44:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:02,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:44:03,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:03,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:44:03,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:44:08,007 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:44:08,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 02:44:10,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:10,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:44:10,151 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:44:10,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:44:10,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:44:10,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:44:10,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:44:10,154 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:44:10,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 02:44:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:14,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:44:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:15,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:44:15,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:44:20,563 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:44:20,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 02:44:22,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:22,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:44:22,704 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:44:22,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:44:22,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:44:22,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:44:22,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:44:22,708 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:44:22,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 02:44:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:27,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:44:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:28,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:44:28,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:44:32,997 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:44:33,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 02:44:35,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:44:35,165 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:44:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:44:35,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:44:35,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:44:35,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:44:35,168 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:44:35,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 02:44:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:39,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:44:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:41,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:44:41,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:44:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:44:45,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 02:44:48,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:44:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:44:48,093 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:44:48,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:44:48,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:44:48,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:44:48,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:44:48,096 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:44:48,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 02:44:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:52,987 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:44:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:44:53,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:44:53,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:44:58,915 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:44:58,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 02:45:01,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:01,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:45:01,075 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:45:01,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:45:01,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:01,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:45:01,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:45:01,078 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:45:01,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 02:45:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:05,634 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:45:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:06,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:45:06,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:45:11,573 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:45:11,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 02:45:13,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:13,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:45:13,667 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:45:13,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:45:13,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:13,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:45:13,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:45:13,670 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:45:13,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 02:45:18,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:18,436 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:45:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:19,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:45:19,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:45:24,423 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:45:24,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 02:45:26,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:26,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:45:26,560 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:45:26,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:45:26,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:26,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:45:26,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:45:26,563 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:45:26,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 02:45:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:31,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:45:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:32,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:45:32,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:45:37,157 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:45:37,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 02:45:39,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:39,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:45:39,264 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:45:39,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:45:39,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:39,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:45:39,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:45:39,267 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:45:39,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 02:45:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:44,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:45:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:45,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:45:45,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:45:50,168 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:45:50,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 02:45:52,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:45:52,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:45:52,274 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:45:52,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:45:52,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:45:52,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:45:52,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:45:52,277 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:45:52,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 02:45:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:57,325 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:45:58,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:45:58,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:45:58,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:46:03,362 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:46:03,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 02:46:05,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:05,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:46:05,472 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:46:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:46:05,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:05,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:46:05,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:46:05,475 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:46:05,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 02:46:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:10,246 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:46:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:11,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:46:11,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:46:16,132 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:46:16,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 02:46:18,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:18,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:46:18,237 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:46:18,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:46:18,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:18,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:46:18,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:46:18,240 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:46:18,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 02:46:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:23,157 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:46:24,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:24,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:46:24,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:46:29,000 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:46:29,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 02:46:31,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:31,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:46:31,095 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:46:31,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:46:31,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:31,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:46:31,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:46:31,097 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:46:31,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 02:46:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:36,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:46:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:37,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:46:37,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:46:42,205 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:46:42,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 02:46:44,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:44,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:46:44,330 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:46:44,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:46:44,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:44,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:46:44,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:46:44,333 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:46:44,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 02:46:49,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:49,284 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:46:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:46:50,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:46:50,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:46:55,183 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:46:55,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 02:46:57,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:46:57,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:46:57,319 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:46:57,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:46:57,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:46:57,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:46:57,320 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:46:57,322 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:46:57,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 02:47:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:02,822 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:03,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:47:03,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:08,723 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:47:08,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 02:47:10,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:10,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:47:10,881 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:47:10,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:47:10,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:10,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:10,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:10,884 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:10,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 02:47:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:16,108 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:17,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:47:17,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:21,984 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:47:22,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 02:47:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:24,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:47:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:47:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:47:24,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:24,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:24,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:24,090 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:24,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 02:47:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:29,691 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:30,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:47:30,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:35,565 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:47:35,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 02:47:37,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:37,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:47:37,701 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:47:37,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:47:37,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:37,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:37,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:37,704 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:37,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 02:47:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:43,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:44,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:47:44,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:47:49,063 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:47:49,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 02:47:51,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:47:51,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:47:51,197 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:47:51,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:47:51,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:47:51,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:47:51,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:47:51,200 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:47:51,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 02:47:56,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:56,417 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:47:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:47:57,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:47:57,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:02,311 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:48:02,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-12-06 02:48:04,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:04,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:48:04,449 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:48:04,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:48:04,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:04,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:04,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:04,452 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:04,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 02:48:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:09,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:10,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:48:10,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:15,841 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:48:15,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 02:48:17,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:17,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:48:17,958 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:48:17,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:48:17,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:17,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:17,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:17,961 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:17,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 02:48:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:23,432 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:24,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:48:24,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:29,338 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:48:29,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 02:48:31,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:31,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:48:31,488 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:48:31,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:48:31,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:31,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:31,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:31,491 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:31,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 02:48:37,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:37,223 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:38,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:48:38,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:43,074 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:48:43,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 02:48:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:45,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:48:45,212 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:48:45,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:48:45,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:45,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:45,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:45,215 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:45,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 02:48:50,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:50,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:48:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:48:51,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:48:51,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:48:56,841 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:48:56,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 02:48:58,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:48:58,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:48:58,960 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:48:58,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:48:58,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:48:58,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:48:58,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:48:58,964 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:48:58,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 02:49:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:04,611 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:49:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:05,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:49:05,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:49:10,510 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:49:10,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 02:49:12,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:12,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:49:12,652 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:49:12,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:49:12,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:12,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:12,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:49:12,655 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:49:12,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 02:49:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:18,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:49:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:19,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:49:19,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:49:24,536 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:49:24,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 02:49:26,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:49:26,685 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:49:26,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:49:26,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:26,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:26,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:49:26,688 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:49:26,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 02:49:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:32,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:49:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:33,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:49:33,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:49:38,313 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:49:38,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 02:49:40,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:40,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:49:40,469 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:49:40,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:49:40,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:40,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:40,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:49:40,472 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:49:40,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 02:49:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:46,451 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:49:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:49:47,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:49:47,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:49:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:49:52,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 02:49:54,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:49:54,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:49:54,456 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:49:54,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:49:54,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:49:54,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:49:54,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:49:54,459 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:49:54,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 02:50:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:00,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:50:01,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:01,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:50:01,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:06,423 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:50:06,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 02:50:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:08,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:50:08,536 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:50:08,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:50:08,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:08,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:50:08,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:50:08,539 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:50:08,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 02:50:14,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:14,874 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:50:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:15,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:50:15,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:20,791 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:50:20,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 02:50:22,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:22,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:50:22,896 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:50:22,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:50:22,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:22,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:50:22,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:50:22,898 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:50:22,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 02:50:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:29,010 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:50:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:30,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:50:30,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:34,979 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:50:35,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 02:50:37,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:37,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:50:37,040 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:50:37,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:50:37,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:37,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:50:37,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:50:37,043 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:50:37,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 02:50:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:43,385 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:50:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:44,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:50:44,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:50:49,323 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:50:49,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 02:50:51,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:50:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:50:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:50:51,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:50:51,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:50:51,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:50:51,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:50:51,449 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:50:51,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 02:50:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:57,857 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:50:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:50:58,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 1457 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:50:58,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:51:03,722 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-12-06 02:51:03,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-12-06 02:51:05,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:51:05,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 221 states and 546 transitions. [2024-12-06 02:51:05,838 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 546 transitions. [2024-12-06 02:51:05,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 02:51:05,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:51:05,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:51:05,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:51:05,841 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:51:05,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e8a9bde3-6fb7-45da-a1b1-9c0af8e02ff6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process