./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_1_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_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/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_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/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_de8f1006-bfaf-4843-8b7c-3647cf23285f/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 0f27348f13f603e91518950a3438785f62ebe3f36ad88d598a940642290e58d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:49:47,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:49:47,996 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:49:48,001 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:49:48,001 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:49:48,023 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:49:48,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:49:48,024 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:49:48,024 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:49:48,025 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:49:48,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:49:48,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:49:48,025 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:49:48,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:49:48,025 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:49:48,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:49:48,025 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:49:48,026 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:49:48,026 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:49:48,026 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:49:48,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:49:48,026 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:49:48,026 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:49:48,026 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:49:48,026 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:49:48,026 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:49:48,026 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:49:48,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:49:48,027 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:49:48,027 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:49:48,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:49:48,027 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:49:48,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:49:48,027 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_de8f1006-bfaf-4843-8b7c-3647cf23285f/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 -> 0f27348f13f603e91518950a3438785f62ebe3f36ad88d598a940642290e58d1 [2024-12-06 00:49:48,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:49:48,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:49:48,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:49:48,304 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:49:48,304 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:49:48,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_1_safe.c-amalgamation.i [2024-12-06 00:49:51,086 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/data/3b60b9aac/b35be68df55641d1b03cf384b1756309/FLAG6721aa088 [2024-12-06 00:49:51,399 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:49:51,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_1_safe.c-amalgamation.i [2024-12-06 00:49:51,425 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/data/3b60b9aac/b35be68df55641d1b03cf384b1756309/FLAG6721aa088 [2024-12-06 00:49:51,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/data/3b60b9aac/b35be68df55641d1b03cf384b1756309 [2024-12-06 00:49:51,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:49:51,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:49:51,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:49:51,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:49:51,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:49:51,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:49:51" (1/1) ... [2024-12-06 00:49:51,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3decdda1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:51, skipping insertion in model container [2024-12-06 00:49:51,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:49:51" (1/1) ... [2024-12-06 00:49:51,499 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:49:52,287 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$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 00:49:52,291 INFO L158 Benchmark]: Toolchain (without parser) took 848.38ms. Allocated memory is still 142.6MB. Free memory was 114.4MB in the beginning and 94.6MB in the end (delta: 19.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:49:52,291 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:49:52,292 INFO L158 Benchmark]: CACSL2BoogieTranslator took 846.31ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 94.6MB in the end (delta: 19.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:49:52,292 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 846.31ms. Allocated memory is still 142.6MB. Free memory was 114.2MB in the beginning and 94.6MB in the end (delta: 19.5MB). 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_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/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_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_1_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/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_de8f1006-bfaf-4843-8b7c-3647cf23285f/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 0f27348f13f603e91518950a3438785f62ebe3f36ad88d598a940642290e58d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:49:54,049 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:49:54,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:49:54,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:49:54,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:49:54,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:49:54,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:49:54,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:49:54,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:49:54,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:49:54,162 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:49:54,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:49:54,162 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:49:54,162 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:49:54,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:49:54,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:49:54,163 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:49:54,163 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:49:54,163 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:49:54,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:49:54,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:49:54,163 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:49:54,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:49:54,163 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:49:54,163 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:49:54,163 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:49:54,163 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:49:54,164 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:49:54,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:49:54,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:49:54,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:49:54,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:49:54,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:49:54,164 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:49:54,164 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:49:54,164 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:49:54,164 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_de8f1006-bfaf-4843-8b7c-3647cf23285f/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 -> 0f27348f13f603e91518950a3438785f62ebe3f36ad88d598a940642290e58d1 [2024-12-06 00:49:54,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:49:54,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:49:54,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:49:54,419 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:49:54,419 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:49:54,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_1_safe.c-amalgamation.i [2024-12-06 00:49:57,196 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/data/3ccb8c0b4/214d8c6a276d4b909966c51b93bcfe81/FLAGe61bc9615 [2024-12-06 00:49:57,487 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:49:57,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_1_safe.c-amalgamation.i [2024-12-06 00:49:57,507 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/data/3ccb8c0b4/214d8c6a276d4b909966c51b93bcfe81/FLAGe61bc9615 [2024-12-06 00:49:57,750 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/data/3ccb8c0b4/214d8c6a276d4b909966c51b93bcfe81 [2024-12-06 00:49:57,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:49:57,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:49:57,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:49:57,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:49:57,757 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:49:57,758 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:49:57" (1/1) ... [2024-12-06 00:49:57,758 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7332703b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:57, skipping insertion in model container [2024-12-06 00:49:57,758 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:49:57" (1/1) ... [2024-12-06 00:49:57,806 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:49:58,580 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_de8f1006-bfaf-4843-8b7c-3647cf23285f/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_1_safe.c-amalgamation.i[71475,71488] [2024-12-06 00:49:58,832 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 00:49:58,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:49:58,849 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:49:58,896 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_de8f1006-bfaf-4843-8b7c-3647cf23285f/sv-benchmarks/c/neural-networks/poly_8_8_8_8_thresh_1_safe.c-amalgamation.i[71475,71488] [2024-12-06 00:49:59,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:49:59,204 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:49:59,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:59 WrapperNode [2024-12-06 00:49:59,204 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:49:59,205 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:49:59,205 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:49:59,205 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:49:59,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:59" (1/1) ... [2024-12-06 00:49:59,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:59" (1/1) ... [2024-12-06 00:49:59,325 INFO L138 Inliner]: procedures = 779, calls = 975, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1547 [2024-12-06 00:49:59,325 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:49:59,326 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:49:59,326 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:49:59,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:49:59,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:59" (1/1) ... [2024-12-06 00:49:59,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:59" (1/1) ... [2024-12-06 00:49:59,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:59" (1/1) ... [2024-12-06 00:49:59,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:59" (1/1) ... [2024-12-06 00:49:59,396 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:59" (1/1) ... [2024-12-06 00:49:59,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:59" (1/1) ... [2024-12-06 00:49:59,406 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:59" (1/1) ... [2024-12-06 00:49:59,412 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:59" (1/1) ... [2024-12-06 00:49:59,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:59" (1/1) ... [2024-12-06 00:49:59,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:49:59,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:49:59,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:49:59,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:49:59,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:49:59" (1/1) ... [2024-12-06 00:49:59,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:49:59,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:49:59,457 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:49:59,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:49:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 00:49:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-06 00:49:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:49:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:49:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:49:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2024-12-06 00:49:59,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2024-12-06 00:49:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 00:49:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-12-06 00:49:59,485 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2024-12-06 00:49:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2024-12-06 00:49:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 00:49:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2024-12-06 00:49:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 00:49:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:49:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-12-06 00:49:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-06 00:49:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 00:49:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2024-12-06 00:49:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2024-12-06 00:49:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 00:49:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-06 00:49:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-12-06 00:49:59,486 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2024-12-06 00:49:59,486 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2024-12-06 00:49:59,705 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:49:59,707 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:50:44,288 INFO L? ?]: Removed 247 outVars from TransFormulas that were not future-live. [2024-12-06 00:50:44,288 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:50:46,250 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:50:46,251 INFO L312 CfgBuilder]: Removed 44 assume(true) statements. [2024-12-06 00:50:46,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:50:46 BoogieIcfgContainer [2024-12-06 00:50:46,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:50:46,252 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:50:46,252 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:50:46,259 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:50:46,259 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:50:46" (1/1) ... [2024-12-06 00:50:46,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:50:46,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:50:46,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 104 states and 171 transitions. [2024-12-06 00:50:46,309 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 171 transitions. [2024-12-06 00:50:46,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-06 00:50:46,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:50:46,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:50:46,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:50:46,319 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:50:46,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:51:00,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:00,225 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:51:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:07,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 2787 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:51:07,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:51:08,523 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 00:51:08,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:51:18,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:51:21,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:51:23,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:51:27,122 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:51:27,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:27,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 121 states and 216 transitions. [2024-12-06 00:51:27,191 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 216 transitions. [2024-12-06 00:51:27,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-06 00:51:27,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:27,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:51:27,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:51:27,196 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:51:27,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:51:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:41,379 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:51:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:51:49,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 2792 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:51:49,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:51:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-12-06 00:51:50,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:51:51,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:51:51,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 128 states and 239 transitions. [2024-12-06 00:51:51,765 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 239 transitions. [2024-12-06 00:51:51,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-12-06 00:51:51,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:51:51,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:51:51,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:51:51,772 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:51:51,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:52:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:05,259 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:13,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 2796 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:52:13,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:13,521 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 00:52:13,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:52:15,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:52:15,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:15,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 129 states and 241 transitions. [2024-12-06 00:52:15,771 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 241 transitions. [2024-12-06 00:52:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-06 00:52:15,774 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:15,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:15,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:15,776 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:15,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:52:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:30,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:52:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:37,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 2802 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:52:37,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:52:38,587 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 00:52:38,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:52:40,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:52:41,471 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 00:52:43,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:52:43,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 137 states and 268 transitions. [2024-12-06 00:52:43,002 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 268 transitions. [2024-12-06 00:52:43,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-12-06 00:52:43,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:52:43,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:52:43,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:52:43,006 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:52:43,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:52:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:52:57,656 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:05,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 2795 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:53:05,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:06,227 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-12-06 00:53:06,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:53:08,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:08,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 144 states and 295 transitions. [2024-12-06 00:53:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 295 transitions. [2024-12-06 00:53:08,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-06 00:53:08,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:08,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:08,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:08,291 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:08,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:53:23,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:23,393 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:30,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:30,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 2818 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:53:30,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:53:31,224 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 00:53:31,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:53:33,811 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:53:35,428 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:53:36,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:53:36,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 145 states and 296 transitions. [2024-12-06 00:53:36,578 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 296 transitions. [2024-12-06 00:53:36,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-06 00:53:36,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:53:36,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:53:36,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:53:36,580 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:53:36,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:53:51,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:51,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:53:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:53:59,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 2835 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:53:59,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:00,178 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-12-06 00:54:00,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 00:54:01,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:54:06,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:06,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 154 states and 329 transitions. [2024-12-06 00:54:06,131 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 329 transitions. [2024-12-06 00:54:06,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-12-06 00:54:06,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:06,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:06,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:06,135 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:06,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:54:21,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:21,645 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:29,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:29,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 2810 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:54:29,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:30,833 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-12-06 00:54:30,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:54:34,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:54:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 161 states and 360 transitions. [2024-12-06 00:54:34,160 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 360 transitions. [2024-12-06 00:54:34,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 00:54:34,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:54:34,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:54:34,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:54:34,165 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:54:34,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:54:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:48,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:54:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:54:57,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:54:57,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:54:59,740 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 00:54:59,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:55:11,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:55:21,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:21,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 180 states and 424 transitions. [2024-12-06 00:55:21,121 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 424 transitions. [2024-12-06 00:55:21,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-06 00:55:21,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:21,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:21,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:21,125 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:21,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:55:36,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:36,894 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:55:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:55:43,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 2799 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:55:43,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:55:44,807 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 00:55:44,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 00:55:48,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:55:48,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 187 states and 442 transitions. [2024-12-06 00:55:48,965 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 442 transitions. [2024-12-06 00:55:48,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-06 00:55:48,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:55:48,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:55:48,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:55:48,968 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:55:48,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:56:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:03,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:10,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 2811 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:56:10,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:12,818 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 00:56:12,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 00:56:19,270 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 00:56:20,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:56:21,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:21,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 192 states and 459 transitions. [2024-12-06 00:56:21,076 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 459 transitions. [2024-12-06 00:56:21,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-06 00:56:21,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:21,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:21,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:21,080 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:21,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 00:56:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:36,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:56:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:56:43,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 2811 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:56:43,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:56:44,952 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 00:56:45,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 00:56:48,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:56:50,644 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:56:53,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:56:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 203 states and 488 transitions. [2024-12-06 00:56:53,008 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 488 transitions. [2024-12-06 00:56:53,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-12-06 00:56:53,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:56:53,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:56:53,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:56:53,012 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:56:53,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 00:57:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:08,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:15,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:15,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 2812 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:57:15,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:17,604 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 00:57:17,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 00:57:23,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:23,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 210 states and 511 transitions. [2024-12-06 00:57:23,556 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 511 transitions. [2024-12-06 00:57:23,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 00:57:23,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:23,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:23,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:23,559 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:23,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 00:57:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:39,924 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:57:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:57:47,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:57:47,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:57:49,536 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 00:57:49,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 00:57:52,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:57:52,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 210 states and 511 transitions. [2024-12-06 00:57:52,589 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 511 transitions. [2024-12-06 00:57:52,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 00:57:52,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:57:52,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:57:52,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:57:52,592 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:57:52,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 00:58:09,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:09,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:16,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:58:16,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:17,888 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 00:58:17,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 00:58:18,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:18,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 210 states and 511 transitions. [2024-12-06 00:58:18,644 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 511 transitions. [2024-12-06 00:58:18,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 00:58:18,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:18,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:18,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:18,647 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:18,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 00:58:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:35,114 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:58:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:58:43,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:58:43,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:58:44,994 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 00:58:45,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 00:58:45,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:58:45,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 210 states and 511 transitions. [2024-12-06 00:58:45,788 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 511 transitions. [2024-12-06 00:58:45,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 00:58:45,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:58:45,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:58:45,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:58:45,792 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:58:45,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 00:59:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:04,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:59:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:11,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:59:11,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:59:12,945 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 00:59:13,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 00:59:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 210 states and 511 transitions. [2024-12-06 00:59:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 511 transitions. [2024-12-06 00:59:13,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-06 00:59:13,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:13,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:59:13,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:59:13,741 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:59:13,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 00:59:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:32,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:59:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:59:40,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 2814 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 00:59:40,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:59:43,666 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 00:59:43,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 00:59:48,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:59:49,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-06 00:59:53,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:59:53,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2024-12-06 00:59:53,490 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2024-12-06 00:59:53,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 00:59:53,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:59:53,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:59:53,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:59:53,492 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:59:53,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 01:00:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:11,287 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:00:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:20,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:00:20,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:22,219 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 01:00:22,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 01:00:23,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:23,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2024-12-06 01:00:23,053 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2024-12-06 01:00:23,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 01:00:23,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:23,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:00:23,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:00:23,057 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:00:23,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 01:00:43,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:43,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:00:51,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:00:51,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:00:51,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:00:53,096 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 01:00:53,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 01:00:53,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:00:53,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2024-12-06 01:00:53,926 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2024-12-06 01:00:53,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 01:00:53,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:00:53,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:00:53,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:00:53,929 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:00:53,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 01:01:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:12,637 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:01:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:20,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:01:20,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:22,047 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 01:01:22,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 01:01:22,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:22,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2024-12-06 01:01:22,898 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2024-12-06 01:01:22,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 01:01:22,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:22,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:22,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:01:22,901 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:01:22,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 01:01:42,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:42,143 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:01:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:01:50,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:01:50,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:01:52,765 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 01:01:52,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 01:01:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:01:53,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2024-12-06 01:01:53,593 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2024-12-06 01:01:53,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 01:01:53,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:01:53,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:01:53,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:01:53,596 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:01:53,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 01:02:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:12,926 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:02:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:20,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:02:20,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:02:22,060 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 01:02:22,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 01:02:22,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:02:22,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2024-12-06 01:02:22,907 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2024-12-06 01:02:22,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 01:02:22,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:02:22,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:02:22,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:02:22,911 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:02:22,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 01:02:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:43,001 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:02:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:02:50,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:02:50,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:02:52,280 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 01:02:52,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 01:02:53,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:02:53,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2024-12-06 01:02:53,126 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2024-12-06 01:02:53,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 01:02:53,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:02:53,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:02:53,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:02:53,129 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:02:53,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 01:03:11,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:11,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:03:18,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:18,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:03:18,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:03:19,951 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 01:03:20,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 01:03:20,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:20,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2024-12-06 01:03:20,767 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2024-12-06 01:03:20,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 01:03:20,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:20,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:03:20,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:03:20,771 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:03:20,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 01:03:41,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:41,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:03:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:03:48,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:03:48,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:03:50,876 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 01:03:50,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 01:03:51,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:03:51,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2024-12-06 01:03:51,793 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2024-12-06 01:03:51,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 01:03:51,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:03:51,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:03:51,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:03:51,797 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:03:51,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 01:04:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:12,846 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:04:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:04:20,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 2817 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:04:20,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:04:22,475 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 01:04:22,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 01:04:23,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:04:23,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 218 states and 538 transitions. [2024-12-06 01:04:23,333 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 538 transitions. [2024-12-06 01:04:23,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-06 01:04:23,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:04:23,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:04:23,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:04:23,336 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:04:23,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_de8f1006-bfaf-4843-8b7c-3647cf23285f/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process