./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.13.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.13.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b3c94ee5a796c7d1657dd8bc28dee20baad725223b7839e2e01894b8965532f9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:08,283 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:08,363 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:15:08,369 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:08,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:08,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:08,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:08,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:08,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:08,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:08,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:08,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:08,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:08,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:08,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:08,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:08,459 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:08,459 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:15:08,460 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:15:08,460 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:08,461 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:08,461 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:08,462 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:08,462 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:08,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:08,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:08,464 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:08,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:08,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:08,466 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:08,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:08,467 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:08,468 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_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3c94ee5a796c7d1657dd8bc28dee20baad725223b7839e2e01894b8965532f9 [2023-11-19 03:15:08,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:08,773 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:08,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:08,777 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:08,778 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:08,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.13.c [2023-11-19 03:15:12,025 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:12,246 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:12,247 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/sv-benchmarks/c/termination-crafted-lit/ChenFlurMukhopadhyay-SAS2012-Ex2.13.c [2023-11-19 03:15:12,254 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL/data/af38dc066/da71f15aaa79491aadd390c10b53bf31/FLAG08213054a [2023-11-19 03:15:12,269 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL/data/af38dc066/da71f15aaa79491aadd390c10b53bf31 [2023-11-19 03:15:12,272 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:12,273 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:12,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:12,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:12,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:12,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:12" (1/1) ... [2023-11-19 03:15:12,283 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d5ac3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:12, skipping insertion in model container [2023-11-19 03:15:12,283 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:12" (1/1) ... [2023-11-19 03:15:12,310 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:12,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:12,491 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:12,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:12,519 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:12,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:12 WrapperNode [2023-11-19 03:15:12,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:12,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:12,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:12,521 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:12,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:12" (1/1) ... [2023-11-19 03:15:12,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:12" (1/1) ... [2023-11-19 03:15:12,551 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2023-11-19 03:15:12,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:12,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:12,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:12,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:12,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:12" (1/1) ... [2023-11-19 03:15:12,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:12" (1/1) ... [2023-11-19 03:15:12,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:12" (1/1) ... [2023-11-19 03:15:12,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:12" (1/1) ... [2023-11-19 03:15:12,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:12" (1/1) ... [2023-11-19 03:15:12,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:12" (1/1) ... [2023-11-19 03:15:12,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:12" (1/1) ... [2023-11-19 03:15:12,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:12" (1/1) ... [2023-11-19 03:15:12,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:12,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:12,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:12,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:12,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:12" (1/1) ... [2023-11-19 03:15:12,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:12,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:12,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:12,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:12,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:12,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:12,732 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:12,735 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:12,840 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:12,855 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:12,856 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:15:12,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:12 BoogieIcfgContainer [2023-11-19 03:15:12,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:12,862 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:12,863 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:12,874 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:12,874 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:12" (1/1) ... [2023-11-19 03:15:12,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:12,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:12,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-11-19 03:15:12,945 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-19 03:15:12,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2023-11-19 03:15:12,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:12,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:13,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:15:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:13,067 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:15:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:13,077 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:15:13,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:15:13 ImpRootNode [2023-11-19 03:15:13,136 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:15:13,141 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:15:13,141 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:15:13,146 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:15:13,147 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:12" (3/4) ... [2023-11-19 03:15:13,149 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:15:13,238 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:15:13,239 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:15:13,241 INFO L158 Benchmark]: Toolchain (without parser) took 966.66ms. Allocated memory is still 115.3MB. Free memory was 72.3MB in the beginning and 86.7MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:13,243 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 115.3MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:13,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.97ms. Allocated memory is still 115.3MB. Free memory was 72.0MB in the beginning and 62.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:15:13,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.31ms. Allocated memory is still 115.3MB. Free memory was 62.6MB in the beginning and 61.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:15:13,255 INFO L158 Benchmark]: Boogie Preprocessor took 18.67ms. Allocated memory is still 115.3MB. Free memory was 61.4MB in the beginning and 60.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:15:13,256 INFO L158 Benchmark]: RCFGBuilder took 289.35ms. Allocated memory is still 115.3MB. Free memory was 60.1MB in the beginning and 50.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 03:15:13,257 INFO L158 Benchmark]: CodeCheck took 273.82ms. Allocated memory is still 115.3MB. Free memory was 50.6MB in the beginning and 88.1MB in the end (delta: -37.5MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2023-11-19 03:15:13,259 INFO L158 Benchmark]: Witness Printer took 98.50ms. Allocated memory is still 115.3MB. Free memory was 88.1MB in the beginning and 86.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:15:13,264 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, 16 locations, 6 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: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L23] int x, y; [L24] x = __VERIFIER_nondet_int() [L25] y = __VERIFIER_nondet_int() [L26] x - y VAL [x=-2, y=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 115.3MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.97ms. Allocated memory is still 115.3MB. Free memory was 72.0MB in the beginning and 62.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.31ms. Allocated memory is still 115.3MB. Free memory was 62.6MB in the beginning and 61.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.67ms. Allocated memory is still 115.3MB. Free memory was 61.4MB in the beginning and 60.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 289.35ms. Allocated memory is still 115.3MB. Free memory was 60.1MB in the beginning and 50.6MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 273.82ms. Allocated memory is still 115.3MB. Free memory was 50.6MB in the beginning and 88.1MB in the end (delta: -37.5MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Witness Printer took 98.50ms. Allocated memory is still 115.3MB. Free memory was 88.1MB in the beginning and 86.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:15:13,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbfc3ee2-4339-4504-ac0a-de5565a68265/bin/ukojak-verify-G8NBE6pJGL/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)