./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/lcm2-both-t.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/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_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/lcm2-both-t.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/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 32bit --witnessprinter.graph.data.programhash f81466ea17a904c8a7b5431bbb2313b9daa463d0ce481677fed2bc40d841f956 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:18:15,624 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:18:15,752 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:18:15,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:18:15,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:18:15,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:18:15,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:18:15,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:18:15,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:18:15,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:18:15,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:18:15,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:18:15,816 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:18:15,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:18:15,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:18:15,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:18:15,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:18:15,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:18:15,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:18:15,820 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:18:15,821 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:18:15,821 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:18:15,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:18:15,822 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:18:15,822 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:18:15,823 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:18:15,823 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:18:15,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:18:15,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:15,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:18:15,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:18:15,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:18:15,827 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:18:15,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:18:15,827 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:18:15,828 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_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f81466ea17a904c8a7b5431bbb2313b9daa463d0ce481677fed2bc40d841f956 [2023-11-19 03:18:16,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:18:16,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:18:16,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:18:16,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:18:16,238 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:18:16,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-nla/lcm2-both-t.c [2023-11-19 03:18:19,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:18:19,495 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:18:19,496 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/sv-benchmarks/c/termination-nla/lcm2-both-t.c [2023-11-19 03:18:19,504 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/bin/ukojak-verify-G8NBE6pJGL/data/0d37a3a41/15289d56f0db4379a97e19fff5850a60/FLAG250e7fabf [2023-11-19 03:18:19,519 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/bin/ukojak-verify-G8NBE6pJGL/data/0d37a3a41/15289d56f0db4379a97e19fff5850a60 [2023-11-19 03:18:19,522 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:18:19,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:18:19,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:19,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:18:19,531 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:18:19,532 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6021593f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:19, skipping insertion in model container [2023-11-19 03:18:19,533 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:19,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:19,787 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:18:19,815 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:19,823 WARN L675 CHandler]: The function __VERIFIER_nondet_unsigned_int is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:18:19,831 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:18:19,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:19 WrapperNode [2023-11-19 03:18:19,832 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:19,833 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:19,833 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:18:19,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:18:19,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,868 INFO L138 Inliner]: procedures = 4, calls = 4, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2023-11-19 03:18:19,868 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:19,869 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:18:19,869 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:18:19,869 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:18:19,879 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,887 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,888 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,889 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,890 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:18:19,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:18:19,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:18:19,892 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:18:19,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:19" (1/1) ... [2023-11-19 03:18:19,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:19,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:18:19,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:18:19,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:18:19,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:18:19,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:18:19,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_unsigned_int [2023-11-19 03:18:20,038 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:18:20,041 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:18:20,395 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:18:20,414 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:18:20,414 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:18:20,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:20 BoogieIcfgContainer [2023-11-19 03:18:20,421 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:18:20,422 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:18:20,422 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:18:20,431 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:18:20,431 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:20" (1/1) ... [2023-11-19 03:18:20,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:18:20,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:20,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 52 states and 55 transitions. [2023-11-19 03:18:20,541 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 55 transitions. [2023-11-19 03:18:20,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:18:20,543 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:20,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:20,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:18:20,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:18:20,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:18:20,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:18:20,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:20,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 54 states and 58 transitions. [2023-11-19 03:18:20,949 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2023-11-19 03:18:20,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 03:18:20,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:20,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:18:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:18:20,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:18:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:18:21,136 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:18:21,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:18:21 ImpRootNode [2023-11-19 03:18:21,158 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:18:21,159 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:18:21,159 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:18:21,159 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:18:21,160 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:20" (3/4) ... [2023-11-19 03:18:21,161 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 03:18:21,208 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:18:21,208 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:18:21,209 INFO L158 Benchmark]: Toolchain (without parser) took 1685.68ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 71.4MB in the beginning and 116.5MB in the end (delta: -45.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:21,210 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:18:21,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.65ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 71.2MB in the beginning and 139.6MB in the end (delta: -68.4MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2023-11-19 03:18:21,211 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.52ms. Allocated memory is still 172.0MB. Free memory was 139.6MB in the beginning and 137.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:21,212 INFO L158 Benchmark]: Boogie Preprocessor took 21.44ms. Allocated memory is still 172.0MB. Free memory was 137.8MB in the beginning and 136.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:21,213 INFO L158 Benchmark]: RCFGBuilder took 529.74ms. Allocated memory is still 172.0MB. Free memory was 136.7MB in the beginning and 122.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:18:21,214 INFO L158 Benchmark]: CodeCheck took 736.68ms. Allocated memory is still 172.0MB. Free memory was 122.0MB in the beginning and 118.6MB in the end (delta: 3.4MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2023-11-19 03:18:21,214 INFO L158 Benchmark]: Witness Printer took 49.56ms. Allocated memory is still 172.0MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:18:21,218 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, 52 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 2 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 33 SizeOfPredicates, 2 NumberOfNonLiveVariables, 20 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 42]: integer overflow possible integer overflow possible We found a FailurePath: [L20] int a, b; [L21] int x, y, u, v; [L22] a = __VERIFIER_nondet_unsigned_int() [L23] b = __VERIFIER_nondet_unsigned_int() [L30] COND FALSE !(a < 1 || b < 1 || a > 65535 || b > 65535) [L34] x = a [L35] y = b [L36] u = b [L37] v = a VAL [a=32769, b=65535, u=65535, v=32769, x=32769, y=65535] [L39] COND TRUE 1 VAL [a=32769, b=65535, u=65535, v=32769, x=32769, y=65535] [L42] x*u VAL [a=32769, b=65535, u=65535, v=32769, x=32769, y=65535] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 138.4MB. Free memory is still 112.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.65ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 71.2MB in the beginning and 139.6MB in the end (delta: -68.4MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.52ms. Allocated memory is still 172.0MB. Free memory was 139.6MB in the beginning and 137.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.44ms. Allocated memory is still 172.0MB. Free memory was 137.8MB in the beginning and 136.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 529.74ms. Allocated memory is still 172.0MB. Free memory was 136.7MB in the beginning and 122.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 736.68ms. Allocated memory is still 172.0MB. Free memory was 122.0MB in the beginning and 118.6MB in the end (delta: 3.4MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. * Witness Printer took 49.56ms. Allocated memory is still 172.0MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 03:18:21,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0a834c-06c9-41f4-baf9-9a1a6dc679ae/bin/ukojak-verify-G8NBE6pJGL/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)