./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/Singapore_plus.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/Singapore_plus.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV --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 c3723d2bd797ea7dd9c7122e0c3fa3069166309f774549aa72afdc171a0794e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:03:06,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:03:06,730 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:03:06,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:03:06,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:03:06,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:03:06,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:03:06,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:03:06,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:03:06,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:03:06,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:03:06,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:03:06,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:03:06,773 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:03:06,773 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:03:06,774 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:03:06,775 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:03:06,775 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:03:06,776 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:03:06,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:03:06,777 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:03:06,779 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:03:06,780 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:03:06,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:03:06,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:06,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:03:06,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:03:06,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:03:06,785 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:03:06,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:03:06,787 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:03:06,788 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_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3723d2bd797ea7dd9c7122e0c3fa3069166309f774549aa72afdc171a0794e3 [2023-11-12 00:03:07,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:03:07,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:03:07,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:03:07,274 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:03:07,274 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:03:07,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-crafted/Singapore_plus.c [2023-11-12 00:03:11,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:03:11,322 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:03:11,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/sv-benchmarks/c/termination-crafted/Singapore_plus.c [2023-11-12 00:03:11,332 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV/data/463b5593e/58f94488ead04556a771327bf0eee3d1/FLAGccbf51f71 [2023-11-12 00:03:11,348 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV/data/463b5593e/58f94488ead04556a771327bf0eee3d1 [2023-11-12 00:03:11,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:03:11,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:03:11,355 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:11,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:03:11,361 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:03:11,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac91260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11, skipping insertion in model container [2023-11-12 00:03:11,363 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,385 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:11,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:11,590 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:03:11,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:11,619 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:03:11,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11 WrapperNode [2023-11-12 00:03:11,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:11,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:11,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:03:11,622 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:03:11,630 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,635 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,655 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-11-12 00:03:11,656 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:11,657 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:03:11,657 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:03:11,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:03:11,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,670 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,687 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:03:11,688 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:03:11,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:03:11,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:03:11,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:11" (1/1) ... [2023-11-12 00:03:11,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:11,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:03:11,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:03:11,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:03:11,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:03:11,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:03:11,880 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:03:11,883 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:03:12,063 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:03:12,096 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:03:12,102 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 00:03:12,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:12 BoogieIcfgContainer [2023-11-12 00:03:12,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:03:12,109 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:03:12,109 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:03:12,122 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:03:12,123 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:12" (1/1) ... [2023-11-12 00:03:12,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:03:12,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:12,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2023-11-12 00:03:12,228 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2023-11-12 00:03:12,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-12 00:03:12,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:12,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:12,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:03:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:12,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:12,387 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 00:03:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 00:03:12,397 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-12 00:03:12,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:03:12 ImpRootNode [2023-11-12 00:03:12,419 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:03:12,420 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:03:12,420 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:03:12,421 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:03:12,421 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:12" (3/4) ... [2023-11-12 00:03:12,422 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-12 00:03:12,487 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:03:12,488 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:03:12,489 INFO L158 Benchmark]: Toolchain (without parser) took 1135.61ms. Allocated memory is still 172.0MB. Free memory was 133.5MB in the beginning and 114.7MB in the end (delta: 18.8MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2023-11-12 00:03:12,490 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 119.5MB. Free memory was 89.3MB in the beginning and 89.2MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:12,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.50ms. Allocated memory is still 172.0MB. Free memory was 133.5MB in the beginning and 138.2MB in the end (delta: -4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 00:03:12,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.80ms. Allocated memory is still 172.0MB. Free memory was 138.2MB in the beginning and 136.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:03:12,493 INFO L158 Benchmark]: Boogie Preprocessor took 30.15ms. Allocated memory is still 172.0MB. Free memory was 136.9MB in the beginning and 136.1MB in the end (delta: 797.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:12,494 INFO L158 Benchmark]: RCFGBuilder took 419.28ms. Allocated memory is still 172.0MB. Free memory was 136.1MB in the beginning and 126.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:03:12,495 INFO L158 Benchmark]: CodeCheck took 310.85ms. Allocated memory is still 172.0MB. Free memory was 126.0MB in the beginning and 116.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 00:03:12,496 INFO L158 Benchmark]: Witness Printer took 67.89ms. Allocated memory is still 172.0MB. Free memory was 116.3MB in the beginning and 114.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:03:12,501 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 2 NumberOfCodeBlocks, 2 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 16]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int x; [L13] int y; [L14] x = __VERIFIER_nondet_int() [L15] y = __VERIFIER_nondet_int() [L16] x + y VAL [x=-2147483648, y=-1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 119.5MB. Free memory was 89.3MB in the beginning and 89.2MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.50ms. Allocated memory is still 172.0MB. Free memory was 133.5MB in the beginning and 138.2MB in the end (delta: -4.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.80ms. Allocated memory is still 172.0MB. Free memory was 138.2MB in the beginning and 136.9MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.15ms. Allocated memory is still 172.0MB. Free memory was 136.9MB in the beginning and 136.1MB in the end (delta: 797.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 419.28ms. Allocated memory is still 172.0MB. Free memory was 136.1MB in the beginning and 126.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 310.85ms. Allocated memory is still 172.0MB. Free memory was 126.0MB in the beginning and 116.3MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 67.89ms. Allocated memory is still 172.0MB. Free memory was 116.3MB in the beginning and 114.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 00:03:12,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_127d38ed-ed74-4ee6-9d90-412e60abe42e/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)