./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_63_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_63_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --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 d34ac049d69713a8485d859e787c789b29deb03f74444dd542c74ae7027df568 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:36:28,134 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:36:28,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:36:28,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:36:28,161 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:36:28,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:36:28,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:36:28,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:36:28,168 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:36:28,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:36:28,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:36:28,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:36:28,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:36:28,177 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:36:28,178 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:36:28,179 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:36:28,180 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:36:28,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:36:28,186 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:36:28,192 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:36:28,194 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:36:28,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:36:28,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:36:28,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:36:28,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:36:28,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:36:28,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:36:28,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:36:28,205 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:36:28,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:36:28,207 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:36:28,208 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:36:28,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:36:28,210 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:36:28,212 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:36:28,212 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:36:28,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:36:28,214 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:36:28,214 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:36:28,215 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:36:28,216 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:36:28,228 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:36:28,272 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:36:28,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:36:28,273 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:36:28,274 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:36:28,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:36:28,275 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:36:28,275 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:36:28,276 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:36:28,276 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:36:28,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:36:28,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:36:28,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:36:28,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:36:28,278 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:36:28,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:36:28,279 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:36:28,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:36:28,279 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:36:28,280 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:36:28,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:36:28,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:36:28,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:36:28,281 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:36:28,281 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:36:28,281 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:36:28,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:36:28,282 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:36:28,282 INFO L138 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_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d34ac049d69713a8485d859e787c789b29deb03f74444dd542c74ae7027df568 [2022-11-21 22:36:28,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:36:28,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:36:28,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:36:28,612 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:36:28,613 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:36:28,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_63_good.i [2022-11-21 22:36:31,905 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:36:32,441 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:36:32,442 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_63_good.i [2022-11-21 22:36:32,484 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/data/cfa770315/909ed15f01fa4f63817cd5ed7a251ec6/FLAG5ba2b8ce7 [2022-11-21 22:36:32,509 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/data/cfa770315/909ed15f01fa4f63817cd5ed7a251ec6 [2022-11-21 22:36:32,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:36:32,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:36:32,521 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:36:32,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:36:32,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:36:32,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:36:32" (1/1) ... [2022-11-21 22:36:32,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403af020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:36:32, skipping insertion in model container [2022-11-21 22:36:32,528 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:36:32" (1/1) ... [2022-11-21 22:36:32,535 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:36:32,621 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:36:33,148 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:36:34,717 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:800) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2051) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:242) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1463) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:267) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) 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:282) 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:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1638) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-11-21 22:36:34,723 INFO L158 Benchmark]: Toolchain (without parser) took 2204.85ms. Allocated memory is still 159.4MB. Free memory was 112.5MB in the beginning and 88.7MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-21 22:36:34,723 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 121.6MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:36:34,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2199.55ms. Allocated memory is still 159.4MB. Free memory was 112.1MB in the beginning and 88.7MB in the end (delta: 23.4MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-21 22:36:34,726 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 121.6MB. Free memory is still 63.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2199.55ms. Allocated memory is still 159.4MB. Free memory was 112.1MB in the beginning and 88.7MB in the end (delta: 23.4MB). 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:800) 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_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_63_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg --witnessprinter.witness.filename witness.graphml --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 d34ac049d69713a8485d859e787c789b29deb03f74444dd542c74ae7027df568 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-21 22:36:37,510 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:36:37,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:36:37,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:36:37,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:36:37,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:36:37,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:36:37,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:36:37,586 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:36:37,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:36:37,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:36:37,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:36:37,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:36:37,593 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:36:37,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:36:37,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:36:37,605 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:36:37,611 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:36:37,613 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:36:37,615 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:36:37,617 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:36:37,626 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:36:37,627 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:36:37,629 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:36:37,635 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:36:37,636 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:36:37,636 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:36:37,637 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:36:37,638 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:36:37,639 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:36:37,639 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:36:37,640 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:36:37,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:36:37,641 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:36:37,642 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:36:37,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:36:37,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:36:37,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:36:37,653 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:36:37,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:36:37,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:36:37,661 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2022-11-21 22:36:37,699 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:36:37,699 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:36:37,701 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:36:37,701 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:36:37,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:36:37,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:36:37,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:36:37,703 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:36:37,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:36:37,703 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:36:37,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:36:37,705 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:36:37,705 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 22:36:37,705 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 22:36:37,705 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:36:37,705 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 22:36:37,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:36:37,706 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:36:37,706 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:36:37,706 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:36:37,706 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:36:37,706 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:36:37,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:36:37,707 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:36:37,707 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:36:37,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:36:37,708 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-21 22:36:37,708 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 22:36:37,708 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:36:37,708 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-11-21 22:36:37,708 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 22:36:37,708 INFO L138 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_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d34ac049d69713a8485d859e787c789b29deb03f74444dd542c74ae7027df568 [2022-11-21 22:36:38,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:36:38,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:36:38,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:36:38,191 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:36:38,191 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:36:38,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_63_good.i [2022-11-21 22:36:41,667 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:36:42,104 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:36:42,105 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_63_good.i [2022-11-21 22:36:42,155 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/data/9ff61a72b/ade67648803c48ab987023bd325b65de/FLAG8d1d2fb80 [2022-11-21 22:36:42,175 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ef87d68c-e4ea-4478-b894-16a67c251343/bin/ukojak-jW3SillKbg/data/9ff61a72b/ade67648803c48ab987023bd325b65de [2022-11-21 22:36:42,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:36:42,180 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:36:42,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:36:42,185 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:36:42,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:36:42,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:36:42" (1/1) ... [2022-11-21 22:36:42,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3622c7a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:36:42, skipping insertion in model container [2022-11-21 22:36:42,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:36:42" (1/1) ... [2022-11-21 22:36:42,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:36:42,319 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:36:42,732 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:36:43,150 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.addIntegerBoundsCheck(CExpressionTranslator.java:1060) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:430) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1126) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.TypeHandler.visit(TypeHandler.java:357) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:177) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:143) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) 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) [2022-11-21 22:36:43,158 INFO L158 Benchmark]: Toolchain (without parser) took 976.66ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.9MB in the beginning and 48.4MB in the end (delta: -16.5MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-11-21 22:36:43,159 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:36:43,160 INFO L158 Benchmark]: CACSL2BoogieTranslator took 970.96ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.7MB in the beginning and 48.4MB in the end (delta: -16.7MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2022-11-21 22:36:43,162 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 67.1MB. Free memory was 45.4MB in the beginning and 45.3MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 970.96ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.7MB in the beginning and 48.4MB in the end (delta: -16.7MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitvectorTranslation.constructOverflowCheckForBinaryBitwiseIntegerExpression(BitvectorTranslation.java:1570) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Integer overflow check for leftshift is not yet implemented.