./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_68_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_68_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC --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 6c6af719d0074a2e6630dccfc0eb534f9e497c4b6f1f19946d31249bc1f708ef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:29:19,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:29:19,531 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:29:19,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:29:19,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:29:19,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:29:19,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:29:19,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:29:19,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:29:19,587 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:29:19,587 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:29:19,588 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:29:19,588 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:29:19,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:29:19,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:29:19,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:29:19,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:29:19,592 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:29:19,592 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:29:19,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:29:19,593 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:29:19,594 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:29:19,594 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:29:19,595 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:29:19,595 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:29:19,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:19,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:29:19,597 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:29:19,597 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:29:19,598 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:29:19,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:29:19,599 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:29:19,600 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_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c6af719d0074a2e6630dccfc0eb534f9e497c4b6f1f19946d31249bc1f708ef [2023-11-23 20:29:19,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:29:19,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:29:19,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:29:19,976 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:29:19,977 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:29:19,978 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_68_good.i [2023-11-23 20:29:22,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:29:23,429 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:29:23,430 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_68_good.i [2023-11-23 20:29:23,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/data/e5d34ace0/3a6a22a31a494f2abe69812a8c573f20/FLAGd0392aed6 [2023-11-23 20:29:23,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/data/e5d34ace0/3a6a22a31a494f2abe69812a8c573f20 [2023-11-23 20:29:23,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:29:23,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:29:23,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:23,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:29:23,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:29:23,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:23" (1/1) ... [2023-11-23 20:29:23,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7638d289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:23, skipping insertion in model container [2023-11-23 20:29:23,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:23" (1/1) ... [2023-11-23 20:29:23,603 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:29:24,121 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:29:25,503 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:2213) 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.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:383) 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:3412) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2432) 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) [2023-11-23 20:29:25,514 INFO L158 Benchmark]: Toolchain (without parser) took 2016.50ms. Allocated memory is still 153.1MB. Free memory was 103.3MB in the beginning and 78.5MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 20:29:25,515 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:29:25,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2011.94ms. Allocated memory is still 153.1MB. Free memory was 102.7MB in the beginning and 78.5MB in the end (delta: 24.2MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 20:29:25,518 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 67.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2011.94ms. Allocated memory is still 153.1MB. Free memory was 102.7MB in the beginning and 78.5MB in the end (delta: 24.2MB). 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_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_68_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC --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 6c6af719d0074a2e6630dccfc0eb534f9e497c4b6f1f19946d31249bc1f708ef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:29:27,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:29:28,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:29:28,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:29:28,124 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:29:28,125 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:29:28,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:29:28,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:29:28,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:29:28,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:29:28,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:29:28,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:29:28,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:29:28,131 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:29:28,132 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:29:28,133 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:29:28,134 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:29:28,138 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:29:28,139 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:29:28,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:29:28,141 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:29:28,142 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:29:28,142 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:29:28,143 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:29:28,143 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:29:28,143 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:29:28,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:29:28,144 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:28,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:29:28,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:29:28,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:29:28,147 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:29:28,147 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:29:28,147 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:29:28,148 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:29:28,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:29:28,148 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_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c6af719d0074a2e6630dccfc0eb534f9e497c4b6f1f19946d31249bc1f708ef [2023-11-23 20:29:28,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:29:28,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:29:28,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:29:28,615 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:29:28,615 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:29:28,617 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_68_good.i [2023-11-23 20:29:31,645 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:29:32,178 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:29:32,179 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_68_good.i [2023-11-23 20:29:32,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/data/56a797903/50761e1356b943398aa551aae19b4d60/FLAG9febd35c2 [2023-11-23 20:29:32,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/data/56a797903/50761e1356b943398aa551aae19b4d60 [2023-11-23 20:29:32,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:29:32,248 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:29:32,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:32,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:29:32,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:29:32,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:32" (1/1) ... [2023-11-23 20:29:32,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c8b895 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:32, skipping insertion in model container [2023-11-23 20:29:32,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:29:32" (1/1) ... [2023-11-23 20:29:32,343 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:29:32,886 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:29:33,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:33,920 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:29:33,940 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:29:34,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:29:34,277 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:34,277 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:34,277 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:34,277 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:34,277 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:29:34,285 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:29:34,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:34 WrapperNode [2023-11-23 20:29:34,286 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:29:34,287 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:34,287 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:29:34,288 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:29:34,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:34" (1/1) ... [2023-11-23 20:29:34,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:34" (1/1) ... [2023-11-23 20:29:34,381 INFO L138 Inliner]: procedures = 946, calls = 68, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 67 [2023-11-23 20:29:34,382 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:29:34,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:29:34,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:29:34,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:29:34,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:34" (1/1) ... [2023-11-23 20:29:34,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:34" (1/1) ... [2023-11-23 20:29:34,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:34" (1/1) ... [2023-11-23 20:29:34,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:34" (1/1) ... [2023-11-23 20:29:34,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:34" (1/1) ... [2023-11-23 20:29:34,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:34" (1/1) ... [2023-11-23 20:29:34,415 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:34" (1/1) ... [2023-11-23 20:29:34,417 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:34" (1/1) ... [2023-11-23 20:29:34,422 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:29:34,423 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:29:34,423 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:29:34,424 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:29:34,424 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:29:34" (1/1) ... [2023-11-23 20:29:34,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:29:34,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:29:34,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:29:34,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:29:34,509 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:29:34,509 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:29:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:29:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:29:34,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:29:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:29:34,510 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:29:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:29:34,511 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:29:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:29:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:29:34,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-23 20:29:34,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-23 20:29:34,740 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:29:34,742 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:29:40,969 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:29:41,017 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:29:41,030 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:29:41,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:41 BoogieIcfgContainer [2023-11-23 20:29:41,032 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:29:41,033 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:29:41,033 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:29:41,043 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:29:41,043 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:29:41" (1/1) ... [2023-11-23 20:29:41,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:29:41,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:41,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2023-11-23 20:29:41,108 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-23 20:29:41,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:29:41,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:41,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:29:41,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:29:41,115 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:29:41,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:29:41,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:41,372 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:29:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:41,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:29:41,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:41,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:41,514 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:29:41,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:29:45,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.63s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:29:45,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:45,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-11-23 20:29:45,250 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-23 20:29:45,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:29:45,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:45,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:29:45,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:29:45,262 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:29:45,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:29:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:45,472 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:29:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:45,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:29:45,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:45,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:45,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-23 20:29:47,399 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:29:47,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:47,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-23 20:29:47,410 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-23 20:29:47,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:29:47,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:47,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:29:47,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:29:47,416 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:29:47,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:29:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:47,555 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:29:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:47,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:29:47,632 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:47,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:47,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:29:47,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:47,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-23 20:29:47,903 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-23 20:29:47,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:29:47,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:47,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:29:47,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:29:47,905 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:29:47,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 20:29:48,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:48,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:29:48,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:29:48,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:29:48,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:29:48,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:29:48,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:29:48,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:29:48,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-23 20:29:48,228 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-23 20:29:48,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:29:48,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:29:48,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:29:48,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:29:48,231 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:29:48,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_376f9b0c-7664-49b0-afff-dd865c4c4c7f/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process