./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9 --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 f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:02:10,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:02:10,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 22:02:10,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:02:10,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:02:10,848 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:02:10,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:02:10,850 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:02:10,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:02:10,851 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:02:10,851 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:02:10,852 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:02:10,852 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:02:10,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:02:10,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:02:10,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:02:10,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:02:10,855 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:02:10,855 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:02:10,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:02:10,856 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:02:10,857 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:02:10,857 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:02:10,858 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:02:10,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:02:10,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:02:10,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:02:10,859 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:02:10,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:02:10,860 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:02:10,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:02:10,861 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:02:10,861 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_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 [2023-12-02 22:02:11,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:02:11,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:02:11,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:02:11,118 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:02:11,119 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:02:11,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2023-12-02 22:02:13,778 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:02:14,165 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:02:14,166 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2023-12-02 22:02:14,193 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/data/558910750/67e8f48c2ed44cabbe9de83f03fc1cda/FLAGb79066f51 [2023-12-02 22:02:14,208 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/data/558910750/67e8f48c2ed44cabbe9de83f03fc1cda [2023-12-02 22:02:14,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:02:14,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:02:14,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:02:14,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:02:14,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:02:14,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:02:14" (1/1) ... [2023-12-02 22:02:14,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46ce08da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:14, skipping insertion in model container [2023-12-02 22:02:14,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:02:14" (1/1) ... [2023-12-02 22:02:14,289 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:02:15,600 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:949) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1671) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2339) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:198) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 22:02:15,605 INFO L158 Benchmark]: Toolchain (without parser) took 1391.70ms. Allocated memory is still 165.7MB. Free memory was 126.4MB in the beginning and 101.8MB in the end (delta: 24.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 22:02:15,605 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:02:15,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1389.63ms. Allocated memory is still 165.7MB. Free memory was 126.4MB in the beginning and 101.8MB in the end (delta: 24.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 22:02:15,607 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1389.63ms. Allocated memory is still 165.7MB. Free memory was 126.4MB in the beginning and 101.8MB in the end (delta: 24.7MB). 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_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9 --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 f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:02:17,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:02:17,379 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 22:02:17,411 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:02:17,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:02:17,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:02:17,413 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:02:17,414 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:02:17,414 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:02:17,415 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:02:17,415 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:02:17,416 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:02:17,416 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:02:17,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:02:17,417 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 22:02:17,418 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 22:02:17,419 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 22:02:17,419 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 22:02:17,419 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 22:02:17,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:02:17,420 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:02:17,421 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:02:17,421 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:02:17,422 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:02:17,422 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:17,423 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 22:02:17,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:02:17,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:02:17,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:02:17,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:02:17,425 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:02:17,425 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 22:02:17,425 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:17,426 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:02:17,426 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 22:02:17,426 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 22:02:17,426 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_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8fb49192ba3a9d7e7d6fe4ebdb6fe13035873d882648d72c99ff4dd5a8efcb4 [2023-12-02 22:02:17,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:02:17,756 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:02:17,759 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:02:17,760 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:02:17,761 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:02:17,762 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2023-12-02 22:02:20,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:02:20,812 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:02:20,813 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_good.i [2023-12-02 22:02:20,837 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/data/01cbccbaf/9d4427143a2748c3aa363934a9e1991f/FLAGe5d2bb482 [2023-12-02 22:02:20,849 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/data/01cbccbaf/9d4427143a2748c3aa363934a9e1991f [2023-12-02 22:02:20,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:02:20,853 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:02:20,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:02:20,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:02:20,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:02:20,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:02:20" (1/1) ... [2023-12-02 22:02:20,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eef4f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:20, skipping insertion in model container [2023-12-02 22:02:20,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:02:20" (1/1) ... [2023-12-02 22:02:20,953 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:02:22,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:02:22,135 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:02:22,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:02:22,598 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:02:22,599 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:02:22,599 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:02:22,599 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:02:22,599 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 22:02:22,605 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:02:22,605 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:22 WrapperNode [2023-12-02 22:02:22,605 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:02:22,606 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:02:22,606 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:02:22,606 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:02:22,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:22" (1/1) ... [2023-12-02 22:02:22,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:22" (1/1) ... [2023-12-02 22:02:22,685 INFO L138 Inliner]: procedures = 946, calls = 98, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 217 [2023-12-02 22:02:22,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:02:22,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:02:22,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:02:22,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:02:22,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:22" (1/1) ... [2023-12-02 22:02:22,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:22" (1/1) ... [2023-12-02 22:02:22,702 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:22" (1/1) ... [2023-12-02 22:02:22,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:22" (1/1) ... [2023-12-02 22:02:22,715 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:22" (1/1) ... [2023-12-02 22:02:22,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:22" (1/1) ... [2023-12-02 22:02:22,722 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:22" (1/1) ... [2023-12-02 22:02:22,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:22" (1/1) ... [2023-12-02 22:02:22,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:02:22,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:02:22,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:02:22,732 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:02:22,733 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:02:22" (1/1) ... [2023-12-02 22:02:22,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:02:22,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:02:22,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:02:22,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:02:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 22:02:22,813 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 22:02:22,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:02:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:02:22,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:02:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 22:02:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 22:02:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 22:02:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 22:02:22,814 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 22:02:22,814 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 22:02:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 22:02:22,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 22:02:22,984 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:02:22,987 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:02:29,858 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:02:29,907 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:02:29,907 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:02:29,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:02:29 BoogieIcfgContainer [2023-12-02 22:02:29,909 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:02:29,910 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:02:29,910 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:02:29,920 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:02:29,920 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:02:29" (1/1) ... [2023-12-02 22:02:29,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:02:29,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:29,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 93 states and 129 transitions. [2023-12-02 22:02:29,974 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 129 transitions. [2023-12-02 22:02:29,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 22:02:29,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:29,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:29,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:29,979 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:29,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 22:02:30,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:30,118 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:30,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:02:30,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:30,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:30,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 22:02:30,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:30,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 90 states and 123 transitions. [2023-12-02 22:02:30,242 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 123 transitions. [2023-12-02 22:02:30,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 22:02:30,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:30,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:30,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:30,245 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:30,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 22:02:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:30,364 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:30,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:30,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:02:30,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:30,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 22:02:30,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:30,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 89 states and 122 transitions. [2023-12-02 22:02:30,547 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2023-12-02 22:02:30,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 22:02:30,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:30,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:30,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:30,551 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:30,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 22:02:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:30,691 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:02:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:30,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:02:30,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:30,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:30,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 22:02:30,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:30,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 90 states and 123 transitions. [2023-12-02 22:02:30,830 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 123 transitions. [2023-12-02 22:02:30,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-02 22:02:30,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:30,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:02:30,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:02:30,832 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:02:30,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 22:03:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:17,535 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:03:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:03:26,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:03:26,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:03:28,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:03:28,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 22:03:37,464 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 22:03:37,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:03:37,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 89 states and 122 transitions. [2023-12-02 22:03:37,711 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 122 transitions. [2023-12-02 22:03:37,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 22:03:37,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:03:37,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 22:03:37,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 22:03:37,712 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 22:03:37,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 22:04:25,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:25,596 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 22:04:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-12-02 22:04:35,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 22:04:35,652 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) 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) [2023-12-02 22:04:35,655 INFO L158 Benchmark]: Toolchain (without parser) took 134801.75ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 48.9MB in the beginning and 60.8MB in the end (delta: -11.9MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2023-12-02 22:04:35,656 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 77.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:04:35,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1751.37ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 48.6MB in the beginning and 81.5MB in the end (delta: -32.9MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2023-12-02 22:04:35,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.26ms. Allocated memory is still 113.2MB. Free memory was 81.5MB in the beginning and 77.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:04:35,658 INFO L158 Benchmark]: Boogie Preprocessor took 44.84ms. Allocated memory is still 113.2MB. Free memory was 77.3MB in the beginning and 74.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 22:04:35,658 INFO L158 Benchmark]: RCFGBuilder took 7177.81ms. Allocated memory is still 113.2MB. Free memory was 74.0MB in the beginning and 44.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 22:04:35,659 INFO L158 Benchmark]: CodeCheck took 125744.10ms. Allocated memory is still 113.2MB. Free memory was 44.6MB in the beginning and 60.8MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:04:35,662 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 77.6MB. Free memory is still 53.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1751.37ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 48.6MB in the beginning and 81.5MB in the end (delta: -32.9MB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.26ms. Allocated memory is still 113.2MB. Free memory was 81.5MB in the beginning and 77.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.84ms. Allocated memory is still 113.2MB. Free memory was 77.3MB in the beginning and 74.0MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 7177.81ms. Allocated memory is still 113.2MB. Free memory was 74.0MB in the beginning and 44.6MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 125744.10ms. Allocated memory is still 113.2MB. Free memory was 44.6MB in the beginning and 60.8MB in the end (delta: -16.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 22:04:35,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ff295e75-8032-428b-b629-b1b30bd94d52/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown