./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_06_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL --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 f3b324d63aec37d137d26712ae34236451a7b244fa6aa45d0e8aacfc7142b660 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:27:27,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:27:28,021 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:27:28,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:27:28,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:27:28,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:27:28,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:27:28,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:27:28,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:27:28,085 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:27:28,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:27:28,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:27:28,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:27:28,090 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:27:28,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:27:28,091 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:27:28,091 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:27:28,092 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:27:28,092 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:27:28,093 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:27:28,093 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:27:28,094 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:27:28,094 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:27:28,095 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:27:28,096 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:27:28,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:28,097 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:27:28,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:27:28,098 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:27:28,098 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:27:28,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:27:28,101 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:27:28,101 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_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3b324d63aec37d137d26712ae34236451a7b244fa6aa45d0e8aacfc7142b660 [2023-11-19 03:27:28,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:27:28,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:27:28,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:27:28,563 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:27:28,564 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:27:28,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_06_good.i [2023-11-19 03:27:31,993 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:27:32,612 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:27:32,613 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_06_good.i [2023-11-19 03:27:32,666 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/data/d20262941/28bcb8d352a94ef7b2678e658d72d388/FLAGabb7f1325 [2023-11-19 03:27:32,747 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/data/d20262941/28bcb8d352a94ef7b2678e658d72d388 [2023-11-19 03:27:32,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:27:32,756 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:27:32,760 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:32,764 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:27:32,770 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:27:32,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:32" (1/1) ... [2023-11-19 03:27:32,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bb9a4ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:32, skipping insertion in model container [2023-11-19 03:27:32,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:32" (1/1) ... [2023-11-19 03:27:33,003 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:27:33,488 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:27:34,562 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:2254) 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:1484) 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:1669) 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.visit(CHandler.java:1700) 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:1510) 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:3408) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2429) 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) [2023-11-19 03:27:34,569 INFO L158 Benchmark]: Toolchain (without parser) took 1811.30ms. Allocated memory is still 161.5MB. Free memory was 133.0MB in the beginning and 108.5MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:27:34,569 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:27:34,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1806.27ms. Allocated memory is still 161.5MB. Free memory was 133.0MB in the beginning and 108.5MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 03:27:34,572 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 119.5MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1806.27ms. Allocated memory is still 161.5MB. Free memory was 133.0MB in the beginning and 108.5MB in the end (delta: 24.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: 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_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL --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 f3b324d63aec37d137d26712ae34236451a7b244fa6aa45d0e8aacfc7142b660 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:27:37,252 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:27:37,376 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:27:37,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:27:37,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:27:37,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:27:37,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:27:37,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:27:37,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:27:37,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:27:37,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:27:37,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:27:37,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:27:37,453 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:27:37,453 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:27:37,454 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:27:37,454 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:27:37,455 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:27:37,455 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:27:37,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:27:37,457 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:27:37,458 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:27:37,458 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:27:37,459 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:27:37,459 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:37,460 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:27:37,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:27:37,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:37,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:27:37,462 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:27:37,464 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:27:37,464 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:27:37,464 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:37,465 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:27:37,465 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:27:37,465 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:27:37,466 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_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3b324d63aec37d137d26712ae34236451a7b244fa6aa45d0e8aacfc7142b660 [2023-11-19 03:27:37,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:27:37,963 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:27:37,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:27:37,967 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:27:37,968 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:27:37,970 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_06_good.i [2023-11-19 03:27:41,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:27:41,822 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:27:41,823 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_06_good.i [2023-11-19 03:27:41,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/data/337e78800/5b93c38811f04351a63efd617bd72fe9/FLAG565b72ddb [2023-11-19 03:27:41,875 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/data/337e78800/5b93c38811f04351a63efd617bd72fe9 [2023-11-19 03:27:41,882 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:27:41,885 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:27:41,889 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:41,890 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:27:41,896 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:27:41,897 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:41" (1/1) ... [2023-11-19 03:27:41,900 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@158d8b29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:41, skipping insertion in model container [2023-11-19 03:27:41,901 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:27:41" (1/1) ... [2023-11-19 03:27:42,000 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:27:42,561 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:27:43,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:43,706 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:27:43,728 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:27:43,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:27:44,292 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:44,293 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:44,293 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:44,293 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:44,293 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:44,293 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:27:44,302 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:27:44,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:44 WrapperNode [2023-11-19 03:27:44,302 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:27:44,303 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:44,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:27:44,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:27:44,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:44" (1/1) ... [2023-11-19 03:27:44,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:44" (1/1) ... [2023-11-19 03:27:44,401 INFO L138 Inliner]: procedures = 947, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 123 [2023-11-19 03:27:44,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:27:44,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:27:44,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:27:44,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:27:44,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:44" (1/1) ... [2023-11-19 03:27:44,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:44" (1/1) ... [2023-11-19 03:27:44,426 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:44" (1/1) ... [2023-11-19 03:27:44,438 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:44" (1/1) ... [2023-11-19 03:27:44,467 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:44" (1/1) ... [2023-11-19 03:27:44,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:44" (1/1) ... [2023-11-19 03:27:44,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:44" (1/1) ... [2023-11-19 03:27:44,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:44" (1/1) ... [2023-11-19 03:27:44,496 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:27:44,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:27:44,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:27:44,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:27:44,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:27:44" (1/1) ... [2023-11-19 03:27:44,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:27:44,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:27:44,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:27:44,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:27:44,623 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:27:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:27:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:27:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:27:44,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:27:44,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:27:44,625 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:27:44,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:27:44,625 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:27:44,625 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:27:44,627 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:27:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:27:44,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:27:44,850 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:27:44,853 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:27:55,689 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:27:55,774 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:27:55,780 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:27:55,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:55 BoogieIcfgContainer [2023-11-19 03:27:55,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:27:55,793 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:27:55,794 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:27:55,806 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:27:55,806 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:27:55" (1/1) ... [2023-11-19 03:27:55,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:27:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:55,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 63 states and 85 transitions. [2023-11-19 03:27:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 85 transitions. [2023-11-19 03:27:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:27:55,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:55,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:55,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:27:55,932 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:27:55,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:27:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:56,108 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:27:56,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:56,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:27:56,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:56,225 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:27:56,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:27:56,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:56,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 99 transitions. [2023-11-19 03:27:56,328 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2023-11-19 03:27:56,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:27:56,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:56,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:56,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:27:56,332 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:27:56,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:27:56,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:56,531 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:27:56,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:56,593 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:27:56,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:56,712 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:27:56,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:27:56,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:56,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 64 states and 98 transitions. [2023-11-19 03:27:56,833 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 98 transitions. [2023-11-19 03:27:56,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:27:56,834 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:56,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:56,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:27:56,836 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:27:56,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-19 03:27:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:56,969 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:27:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:57,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:27:57,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:27:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:57,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-19 03:27:57,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:57,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 65 states and 99 transitions. [2023-11-19 03:27:57,117 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2023-11-19 03:27:57,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 03:27:57,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:57,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:27:57,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:27:57,121 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:27:57,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b29556cc-458b-4c64-a3ca-4ca463d2e9a3/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process