./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 601665d13b2095a91c88872af6f58412a508c298d943d8eaacb51ea75d30cd1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:14,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:14,346 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:10:14,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:10:14,355 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:10:14,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:14,401 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:14,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:14,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:14,408 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:14,408 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:14,409 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:14,409 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:10:14,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:14,412 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:14,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:14,413 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:14,413 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:10:14,413 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:10:14,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:14,415 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:14,415 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:14,416 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:14,416 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:14,417 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:14,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:14,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:14,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:14,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:14,419 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:10:14,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:10:14,420 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:14,420 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 601665d13b2095a91c88872af6f58412a508c298d943d8eaacb51ea75d30cd1e [2023-11-24 23:10:14,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:14,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:14,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:14,770 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:14,770 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:14,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i [2023-11-24 23:10:17,977 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:18,445 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:18,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i [2023-11-24 23:10:18,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/data/2a3e9c28b/3d914e9b5bb346ef8be850a584ce518e/FLAGfc9107957 [2023-11-24 23:10:18,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/data/2a3e9c28b/3d914e9b5bb346ef8be850a584ce518e [2023-11-24 23:10:18,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:18,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:18,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:18,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:18,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:18,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:18" (1/1) ... [2023-11-24 23:10:18,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126e2899 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:18, skipping insertion in model container [2023-11-24 23:10:18,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:18" (1/1) ... [2023-11-24 23:10:18,587 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:20,472 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: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:949) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1671) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2339) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:198) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 23:10:20,482 INFO L158 Benchmark]: Toolchain (without parser) took 1987.20ms. Allocated memory is still 165.7MB. Free memory was 129.1MB in the beginning and 104.1MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:20,483 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory was 67.0MB in the beginning and 66.9MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:20,485 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1984.77ms. Allocated memory is still 165.7MB. Free memory was 128.4MB in the beginning and 104.1MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:20,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 111.1MB. Free memory was 67.0MB in the beginning and 66.9MB in the end (delta: 118.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1984.77ms. Allocated memory is still 165.7MB. Free memory was 128.4MB in the beginning and 104.1MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. 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: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 601665d13b2095a91c88872af6f58412a508c298d943d8eaacb51ea75d30cd1e --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:23,083 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:23,229 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 23:10:23,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:23,286 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:23,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:23,288 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:23,288 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:23,289 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:23,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:23,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:23,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:23,296 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:23,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:23,298 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:10:23,299 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:10:23,299 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:10:23,299 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:10:23,300 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:10:23,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:23,301 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:23,302 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:23,303 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:23,303 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:23,304 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:23,304 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:10:23,305 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:23,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:23,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:23,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:23,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:23,308 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:10:23,308 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:23,308 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:23,309 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:10:23,309 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:10:23,309 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 601665d13b2095a91c88872af6f58412a508c298d943d8eaacb51ea75d30cd1e [2023-11-24 23:10:23,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:23,747 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:23,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:23,752 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:23,753 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:23,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i [2023-11-24 23:10:27,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:27,619 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:27,620 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_square_15_good.i [2023-11-24 23:10:27,660 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/data/4548a234b/ef68a797415f4b0b9d34a77543b53d6f/FLAG7dbd1f8db [2023-11-24 23:10:27,680 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/data/4548a234b/ef68a797415f4b0b9d34a77543b53d6f [2023-11-24 23:10:27,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:27,687 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:27,691 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:27,692 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:27,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:27,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:27" (1/1) ... [2023-11-24 23:10:27,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a91b15f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:27, skipping insertion in model container [2023-11-24 23:10:27,700 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:27" (1/1) ... [2023-11-24 23:10:27,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:29,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:29,614 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:29,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:30,209 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:30,209 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:30,209 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:30,210 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:30,218 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:30,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:30 WrapperNode [2023-11-24 23:10:30,219 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:30,220 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:30,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:30,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:30,228 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:30" (1/1) ... [2023-11-24 23:10:30,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:30" (1/1) ... [2023-11-24 23:10:30,310 INFO L138 Inliner]: procedures = 945, calls = 82, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 183 [2023-11-24 23:10:30,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:30,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:30,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:30,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:30,322 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:30" (1/1) ... [2023-11-24 23:10:30,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:30" (1/1) ... [2023-11-24 23:10:30,329 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:30" (1/1) ... [2023-11-24 23:10:30,329 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:30" (1/1) ... [2023-11-24 23:10:30,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:30" (1/1) ... [2023-11-24 23:10:30,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:30" (1/1) ... [2023-11-24 23:10:30,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:30" (1/1) ... [2023-11-24 23:10:30,349 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:30" (1/1) ... [2023-11-24 23:10:30,355 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:30,356 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:30,356 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:30,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:30,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:30" (1/1) ... [2023-11-24 23:10:30,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:30,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:30,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:30,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:30,460 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:10:30,461 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:10:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:30,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:30,461 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:10:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:10:30,462 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:10:30,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:10:30,703 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:30,706 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:38,237 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:38,296 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:38,297 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:10:38,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:38 BoogieIcfgContainer [2023-11-24 23:10:38,299 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:38,300 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:38,300 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:38,311 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:38,311 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:38" (1/1) ... [2023-11-24 23:10:38,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:38,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:38,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 85 states and 117 transitions. [2023-11-24 23:10:38,397 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions. [2023-11-24 23:10:38,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:10:38,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:38,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:38,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:38,408 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:38,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:10:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:38,589 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:38,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:10:38,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:38,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:38,829 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:10:38,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:38,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:38,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 84 states and 116 transitions. [2023-11-24 23:10:38,967 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 116 transitions. [2023-11-24 23:10:38,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:10:38,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:38,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:38,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:38,982 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:38,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:10:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:39,117 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:39,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:39,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:39,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:39,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:39,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:39,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 85 states and 117 transitions. [2023-11-24 23:10:39,264 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions. [2023-11-24 23:10:39,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:10:39,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:39,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:39,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:39,266 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:39,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:10:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:39,557 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:39,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:39,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:39,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:39,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:41,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:41,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 90 states and 126 transitions. [2023-11-24 23:10:41,192 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 126 transitions. [2023-11-24 23:10:41,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:10:41,193 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:41,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:41,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:41,198 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:41,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-24 23:10:41,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:41,365 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:41,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:41,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:41,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:41,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:41,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:41,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:41,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 75 states and 101 transitions. [2023-11-24 23:10:41,548 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2023-11-24 23:10:41,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:10:41,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:41,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:41,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:41,552 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:41,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-24 23:10:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:41,663 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:41,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:41,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:41,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:41,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:41,737 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:10:41,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:41,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:41,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 75 states and 100 transitions. [2023-11-24 23:10:41,937 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 100 transitions. [2023-11-24 23:10:41,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:10:41,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:41,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:41,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:41,941 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:41,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-11-24 23:10:42,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:42,059 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:42,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:42,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:42,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:42,113 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:10:42,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:42,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 73 states and 96 transitions. [2023-11-24 23:10:42,148 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-11-24 23:10:42,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:10:42,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:42,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:42,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:42,153 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:42,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-24 23:10:42,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:42,308 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:42,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:10:42,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:42,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:42,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:42,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:42,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 72 states and 95 transitions. [2023-11-24 23:10:42,684 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 95 transitions. [2023-11-24 23:10:42,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:10:42,685 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:42,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:42,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:42,701 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:42,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-24 23:10:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:42,861 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:42,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:42,925 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:42,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:42,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:43,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:43,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 73 states and 96 transitions. [2023-11-24 23:10:43,077 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-11-24 23:10:43,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:10:43,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:43,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:43,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:43,083 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:43,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-24 23:10:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:43,488 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:43,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:43,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:43,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:43,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:43,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:44,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:44,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 77 states and 103 transitions. [2023-11-24 23:10:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 103 transitions. [2023-11-24 23:10:44,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:10:44,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:44,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:44,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:44,829 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:44,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-11-24 23:10:44,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:44,975 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:45,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:45,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:45,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:45,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:45,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:45,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 63 states and 80 transitions. [2023-11-24 23:10:45,211 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2023-11-24 23:10:45,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:10:45,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:45,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:45,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:45,217 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:45,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-11-24 23:10:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:45,347 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:45,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:45,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:45,489 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:45,491 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:45,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:45,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 60 states and 74 transitions. [2023-11-24 23:10:45,801 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2023-11-24 23:10:45,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:10:45,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:45,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:45,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:45,806 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:45,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-11-24 23:10:46,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:46,152 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:46,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:46,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:10:46,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:46,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:46,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:46,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 63 states and 79 transitions. [2023-11-24 23:10:46,969 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions. [2023-11-24 23:10:46,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 23:10:46,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:46,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:46,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:46,971 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:46,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-11-24 23:10:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:47,296 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:47,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:10:47,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:47,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:47,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:47,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:47,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 64 states and 80 transitions. [2023-11-24 23:10:47,731 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 80 transitions. [2023-11-24 23:10:47,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:10:47,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:47,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:47,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:47,734 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:47,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-11-24 23:10:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:47,892 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:47,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:47,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:47,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:48,058 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:48,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:48,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:48,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 56 states and 68 transitions. [2023-11-24 23:10:48,179 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2023-11-24 23:10:48,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:10:48,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:48,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:48,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:48,189 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:48,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-11-24 23:10:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:48,337 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:48,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:48,420 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:48,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:48,502 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:48,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:48,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:48,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 53 states and 62 transitions. [2023-11-24 23:10:48,854 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2023-11-24 23:10:48,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 23:10:48,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:48,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:48,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:48,861 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:48,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-11-24 23:10:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:49,337 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:49,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:49,467 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:49,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:52,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.80s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:10:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:52,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 68 transitions. [2023-11-24 23:10:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 68 transitions. [2023-11-24 23:10:52,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:10:52,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:52,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:52,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:52,627 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:52,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-11-24 23:10:53,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:53,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:53,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:53,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:53,137 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:53,160 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:53,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-11-24 23:10:53,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:53,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 57 states and 69 transitions. [2023-11-24 23:10:53,567 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 69 transitions. [2023-11-24 23:10:53,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 23:10:53,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:53,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:10:53,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:10:53,573 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:10:53,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-11-24 23:10:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:53,717 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:10:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:53,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:10:53,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:10:53,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:53,942 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (19)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:10:53,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-11-24 23:10:54,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:54,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 48 states and 54 transitions. [2023-11-24 23:10:54,081 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2023-11-24 23:10:54,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:10:54,082 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2023-11-24 23:10:54,092 INFO L751 CodeCheckObserver]: All specifications hold 10 specifications checked. All of them hold [2023-11-24 23:10:54,429 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:10:54,433 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:10:54,433 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:10:54,433 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:10:54,433 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:10:54,433 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:10:54,433 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:10:54,433 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:10:54,433 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:10:54,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:10:54 ImpRootNode [2023-11-24 23:10:54,434 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:10:54,435 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:10:54,435 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:10:54,435 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:10:54,436 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:38" (3/4) ... [2023-11-24 23:10:54,438 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:10:54,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:10:54,442 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:10:54,450 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-24 23:10:54,451 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 23:10:54,451 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:10:54,452 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:10:54,453 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:10:54,581 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:10:54,581 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:10:54,581 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:10:54,582 INFO L158 Benchmark]: Toolchain (without parser) took 26895.15ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 53.2MB in the beginning and 64.1MB in the end (delta: -10.9MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2023-11-24 23:10:54,583 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 57.5MB in the end (delta: 83.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:54,583 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2528.53ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 53.0MB in the beginning and 49.9MB in the end (delta: 3.1MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2023-11-24 23:10:54,584 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.67ms. Allocated memory is still 102.8MB. Free memory was 49.9MB in the beginning and 45.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:54,584 INFO L158 Benchmark]: Boogie Preprocessor took 44.01ms. Allocated memory is still 102.8MB. Free memory was 45.8MB in the beginning and 43.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:54,585 INFO L158 Benchmark]: RCFGBuilder took 7942.83ms. Allocated memory is still 102.8MB. Free memory was 43.3MB in the beginning and 47.0MB in the end (delta: -3.6MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-11-24 23:10:54,585 INFO L158 Benchmark]: CodeCheck took 16134.36ms. Allocated memory is still 102.8MB. Free memory was 47.0MB in the beginning and 28.8MB in the end (delta: 18.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:54,586 INFO L158 Benchmark]: Witness Printer took 146.97ms. Allocated memory is still 102.8MB. Free memory was 28.8MB in the beginning and 64.1MB in the end (delta: -35.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:54,588 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 85 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 15.7s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2155 SdHoareTripleChecker+Valid, 41.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 348 mSDsluCounter, 1543 SdHoareTripleChecker+Invalid, 40.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 254 mSDsCounter, 575 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1344 IncrementalHoareTripleChecker+Invalid, 1919 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 575 mSolverCounterUnsat, 1289 mSDtfsCounter, 1344 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4146 GetRequests, 4084 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 917 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 469 NumberOfCodeBlocks, 469 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 451 ConstructedInterpolants, 0 QuantifiedInterpolants, 537 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1708 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 60/60 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1851]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1853]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1853]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1881]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1881]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1911]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1911]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1937]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1937]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 1876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1924]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1933]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1907]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1836]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1958]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1898]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 57.5MB in the end (delta: 83.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2528.53ms. Allocated memory was 81.8MB in the beginning and 102.8MB in the end (delta: 21.0MB). Free memory was 53.0MB in the beginning and 49.9MB in the end (delta: 3.1MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.67ms. Allocated memory is still 102.8MB. Free memory was 49.9MB in the beginning and 45.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.01ms. Allocated memory is still 102.8MB. Free memory was 45.8MB in the beginning and 43.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 7942.83ms. Allocated memory is still 102.8MB. Free memory was 43.3MB in the beginning and 47.0MB in the end (delta: -3.6MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * CodeCheck took 16134.36ms. Allocated memory is still 102.8MB. Free memory was 47.0MB in the beginning and 28.8MB in the end (delta: 18.2MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. * Witness Printer took 146.97ms. Allocated memory is still 102.8MB. Free memory was 28.8MB in the beginning and 64.1MB in the end (delta: -35.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:10:54,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eaf3c0fb-eb5a-4224-acc2-9d9e6ce13a0a/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE