./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i --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_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/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_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/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_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/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 c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:11,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:11,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 04:00:11,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:00:11,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:00:11,935 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:11,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:11,939 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:11,940 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:11,946 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:11,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:11,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:11,948 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:00:11,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:11,951 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:11,951 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:11,952 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:11,952 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:00:11,953 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:00:11,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:11,954 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:11,954 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:11,955 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:11,957 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:11,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:11,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:11,959 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:11,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:11,960 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:11,960 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:00:11,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:00:11,962 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:11,962 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_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a [2023-11-19 04:00:12,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:12,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:12,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:12,359 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:12,359 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:12,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i [2023-11-19 04:00:15,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:16,212 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:16,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i [2023-11-19 04:00:16,259 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/data/304d33d12/fa3bea755f6d4573a8302b045fc5576f/FLAG4dc21dc72 [2023-11-19 04:00:16,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/data/304d33d12/fa3bea755f6d4573a8302b045fc5576f [2023-11-19 04:00:16,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:16,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:16,304 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:16,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:16,311 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:16,312 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:16" (1/1) ... [2023-11-19 04:00:16,313 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ff92bf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:16, skipping insertion in model container [2023-11-19 04:00:16,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:16" (1/1) ... [2023-11-19 04:00:16,407 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:16,882 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:00:17,671 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:17,684 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:17,739 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:00:17,863 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:17,971 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:17,971 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:17,971 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:17,972 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:17,972 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:17,981 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:17,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:17 WrapperNode [2023-11-19 04:00:17,982 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:17,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:17,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:17,984 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:17,995 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:17" (1/1) ... [2023-11-19 04:00:18,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:17" (1/1) ... [2023-11-19 04:00:18,068 INFO L138 Inliner]: procedures = 499, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2023-11-19 04:00:18,069 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:18,070 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:18,070 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:18,070 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:18,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:17" (1/1) ... [2023-11-19 04:00:18,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:17" (1/1) ... [2023-11-19 04:00:18,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:17" (1/1) ... [2023-11-19 04:00:18,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:17" (1/1) ... [2023-11-19 04:00:18,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:17" (1/1) ... [2023-11-19 04:00:18,099 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:17" (1/1) ... [2023-11-19 04:00:18,102 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:17" (1/1) ... [2023-11-19 04:00:18,105 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:17" (1/1) ... [2023-11-19 04:00:18,110 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:18,111 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:18,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:18,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:18,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:17" (1/1) ... [2023-11-19 04:00:18,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:18,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:18,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:18,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:18,271 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:00:18,272 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:00:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:00:18,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:00:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:18,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:18,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:00:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:00:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:00:18,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:00:18,552 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:18,555 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:18,921 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:19,232 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:19,232 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:00:19,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:19 BoogieIcfgContainer [2023-11-19 04:00:19,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:19,243 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:19,243 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:19,257 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:19,257 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:19" (1/1) ... [2023-11-19 04:00:19,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:19,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:19,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 04:00:19,354 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 04:00:19,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:00:19,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:19,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:00:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:19,756 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:00:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:20,290 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:00:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:20,371 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:00:20,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:00:20 ImpRootNode [2023-11-19 04:00:20,421 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:00:20,425 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:00:20,426 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:00:20,426 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:00:20,427 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:19" (3/4) ... [2023-11-19 04:00:20,432 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:00:20,433 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:00:20,435 INFO L158 Benchmark]: Toolchain (without parser) took 4134.85ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 81.0MB in the beginning and 86.9MB in the end (delta: -5.9MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-11-19 04:00:20,436 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:00:20,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1679.02ms. Allocated memory is still 127.9MB. Free memory was 81.0MB in the beginning and 61.9MB in the end (delta: 19.1MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-11-19 04:00:20,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.56ms. Allocated memory is still 127.9MB. Free memory was 61.9MB in the beginning and 58.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:00:20,439 INFO L158 Benchmark]: Boogie Preprocessor took 40.00ms. Allocated memory is still 127.9MB. Free memory was 58.5MB in the beginning and 57.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:00:20,440 INFO L158 Benchmark]: RCFGBuilder took 1130.53ms. Allocated memory is still 127.9MB. Free memory was 57.1MB in the beginning and 63.1MB in the end (delta: -6.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. [2023-11-19 04:00:20,442 INFO L158 Benchmark]: CodeCheck took 1178.47ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 63.1MB in the beginning and 87.9MB in the end (delta: -24.7MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2023-11-19 04:00:20,443 INFO L158 Benchmark]: Witness Printer took 7.99ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 86.9MB in the end (delta: 998.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:00:20,456 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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 - UnprovableResult [Line: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseOr at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:14}, argv={12:14}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_sub_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] EXPR *dataPtr1 = data [L1554-L1558] { int data = *dataPtr1; data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={14992:0}, dataPtr1={14992:0}, dataPtr2={14992:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1679.02ms. Allocated memory is still 127.9MB. Free memory was 81.0MB in the beginning and 61.9MB in the end (delta: 19.1MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.56ms. Allocated memory is still 127.9MB. Free memory was 61.9MB in the beginning and 58.5MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.00ms. Allocated memory is still 127.9MB. Free memory was 58.5MB in the beginning and 57.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1130.53ms. Allocated memory is still 127.9MB. Free memory was 57.1MB in the beginning and 63.1MB in the end (delta: -6.1MB). Peak memory consumption was 10.6MB. Max. memory is 16.1GB. * CodeCheck took 1178.47ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 63.1MB in the beginning and 87.9MB in the end (delta: -24.7MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Witness Printer took 7.99ms. Allocated memory is still 155.2MB. Free memory was 87.9MB in the beginning and 86.9MB in the end (delta: 998.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:00:20,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/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 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_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/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_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/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 c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:00:23,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:00:23,498 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 04:00:23,536 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:00:23,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:00:23,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:00:23,539 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:00:23,540 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:00:23,541 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:00:23,542 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:00:23,542 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:00:23,543 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:00:23,544 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:00:23,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:00:23,545 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:00:23,546 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:00:23,547 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:00:23,547 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:00:23,548 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:00:23,549 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:00:23,549 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:00:23,550 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:00:23,551 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:00:23,552 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:00:23,552 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:00:23,553 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:00:23,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:00:23,554 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:23,555 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:00:23,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:00:23,556 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:00:23,557 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:00:23,557 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:00:23,558 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:00:23,558 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:00:23,558 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:00:23,559 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8a96ec157c824939823b5edff4d92b4281dc1fefd76977ad079ed81045d850a [2023-11-19 04:00:24,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:00:24,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:00:24,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:00:24,148 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:00:24,149 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:00:24,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i [2023-11-19 04:00:27,760 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:00:28,303 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:00:28,309 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_32_bad.i [2023-11-19 04:00:28,366 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/data/31b070abb/8aa991eddb2f4cdbac528acce10bfdf5/FLAGd28b5a2bc [2023-11-19 04:00:28,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/data/31b070abb/8aa991eddb2f4cdbac528acce10bfdf5 [2023-11-19 04:00:28,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:00:28,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:00:28,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:28,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:00:28,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:00:28,401 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:28" (1/1) ... [2023-11-19 04:00:28,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7301b6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:28, skipping insertion in model container [2023-11-19 04:00:28,402 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:00:28" (1/1) ... [2023-11-19 04:00:28,485 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:00:28,992 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:00:29,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:30,002 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:00:30,033 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:00:30,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:00:30,311 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:30,312 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:30,312 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:30,312 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:30,313 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:00:30,322 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:00:30,323 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:30 WrapperNode [2023-11-19 04:00:30,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:00:30,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:30,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:00:30,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:00:30,334 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:30" (1/1) ... [2023-11-19 04:00:30,373 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:30" (1/1) ... [2023-11-19 04:00:30,406 INFO L138 Inliner]: procedures = 504, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2023-11-19 04:00:30,408 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:00:30,409 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:00:30,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:00:30,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:00:30,421 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:30" (1/1) ... [2023-11-19 04:00:30,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:30" (1/1) ... [2023-11-19 04:00:30,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:30" (1/1) ... [2023-11-19 04:00:30,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:30" (1/1) ... [2023-11-19 04:00:30,454 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:30" (1/1) ... [2023-11-19 04:00:30,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:30" (1/1) ... [2023-11-19 04:00:30,476 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:30" (1/1) ... [2023-11-19 04:00:30,494 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:30" (1/1) ... [2023-11-19 04:00:30,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:00:30,500 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:00:30,500 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:00:30,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:00:30,502 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:00:30" (1/1) ... [2023-11-19 04:00:30,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:00:30,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:00:30,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:00:30,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:00:30,606 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:00:30,607 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:00:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:00:30,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:00:30,608 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:00:30,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:00:30,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:00:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:00:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:00:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:00:30,610 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:00:30,865 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:00:30,867 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:00:31,097 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:00:31,182 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:00:31,182 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:00:31,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:31 BoogieIcfgContainer [2023-11-19 04:00:31,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:00:31,193 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:00:31,193 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:00:31,207 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:00:31,208 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:31" (1/1) ... [2023-11-19 04:00:31,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:00:31,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:00:31,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2023-11-19 04:00:31,313 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2023-11-19 04:00:31,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:00:31,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:00:31,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:00:31,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:00:31,327 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:00:31,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:00:31,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:31,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:00:31,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:31,992 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:00:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:00:32,116 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:00:32,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:00:32,128 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:00:32,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:00:32 ImpRootNode [2023-11-19 04:00:32,178 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:00:32,180 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:00:32,180 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:00:32,181 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:00:32,181 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:00:31" (3/4) ... [2023-11-19 04:00:32,182 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-19 04:00:32,264 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:00:32,264 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:00:32,265 INFO L158 Benchmark]: Toolchain (without parser) took 3874.63ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 46.5MB in the beginning and 48.3MB in the end (delta: -1.8MB). Peak memory consumption was 36.4MB. Max. memory is 16.1GB. [2023-11-19 04:00:32,266 INFO L158 Benchmark]: CDTParser took 0.79ms. Allocated memory is still 73.4MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:00:32,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1931.21ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 46.2MB in the beginning and 58.3MB in the end (delta: -12.2MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2023-11-19 04:00:32,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.85ms. Allocated memory is still 109.1MB. Free memory was 58.3MB in the beginning and 55.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:00:32,268 INFO L158 Benchmark]: Boogie Preprocessor took 89.86ms. Allocated memory is still 109.1MB. Free memory was 55.4MB in the beginning and 53.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:00:32,274 INFO L158 Benchmark]: RCFGBuilder took 692.08ms. Allocated memory is still 109.1MB. Free memory was 53.3MB in the beginning and 69.9MB in the end (delta: -16.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-19 04:00:32,274 INFO L158 Benchmark]: CodeCheck took 984.95ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 51.0MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:00:32,275 INFO L158 Benchmark]: Witness Printer took 84.34ms. Allocated memory is still 109.1MB. Free memory was 50.4MB in the beginning and 48.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:00:32,284 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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: 1562]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_sub_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] EXPR *dataPtr1 = data [L1554-L1558] { int data = *dataPtr1; data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)); *dataPtr1 = data; } [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, data={5:0}, dataPtr1={5:0}, dataPtr2={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79ms. Allocated memory is still 73.4MB. Free memory is still 49.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1931.21ms. Allocated memory was 73.4MB in the beginning and 109.1MB in the end (delta: 35.7MB). Free memory was 46.2MB in the beginning and 58.3MB in the end (delta: -12.2MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.85ms. Allocated memory is still 109.1MB. Free memory was 58.3MB in the beginning and 55.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.86ms. Allocated memory is still 109.1MB. Free memory was 55.4MB in the beginning and 53.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 692.08ms. Allocated memory is still 109.1MB. Free memory was 53.3MB in the beginning and 69.9MB in the end (delta: -16.7MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * CodeCheck took 984.95ms. Allocated memory is still 109.1MB. Free memory was 69.9MB in the beginning and 51.0MB in the end (delta: 18.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 84.34ms. Allocated memory is still 109.1MB. Free memory was 50.4MB in the beginning and 48.3MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-19 04:00:32,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e5ce37f-a380-4ab2-9ba9-5838dbf4c2c0/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)