./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC --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 b48751c7aad9390af50bed0eaa90d62f106159428b7c8ec3acb28c8693712e2f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:01:27,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:01:27,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:01:27,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:01:27,346 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:01:27,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:01:27,388 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:01:27,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:01:27,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:01:27,400 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:01:27,401 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:01:27,401 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:01:27,402 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:01:27,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:01:27,405 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:01:27,406 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:01:27,406 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:01:27,407 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:01:27,407 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:01:27,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:01:27,408 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:01:27,410 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:01:27,410 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:01:27,411 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:01:27,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:01:27,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:01:27,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:01:27,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:01:27,414 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:01:27,414 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:01:27,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:01:27,416 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:01:27,417 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_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b48751c7aad9390af50bed0eaa90d62f106159428b7c8ec3acb28c8693712e2f [2023-11-23 20:01:27,789 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:01:27,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:01:27,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:01:27,836 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:01:27,837 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:01:27,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_good.i [2023-11-23 20:01:31,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:01:32,201 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:01:32,202 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_10_good.i [2023-11-23 20:01:32,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/data/334d06c5c/50ea7d3108de4b399a99daa6dbec54e2/FLAGbfca4b169 [2023-11-23 20:01:32,255 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/data/334d06c5c/50ea7d3108de4b399a99daa6dbec54e2 [2023-11-23 20:01:32,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:01:32,261 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:01:32,262 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:01:32,263 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:01:32,269 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:01:32,270 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:32" (1/1) ... [2023-11-23 20:01:32,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8b7a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:32, skipping insertion in model container [2023-11-23 20:01:32,272 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:01:32" (1/1) ... [2023-11-23 20:01:32,347 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:01:32,819 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:01:33,536 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:01:33,550 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:01:33,579 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:01:33,694 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:01:33,988 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:01:33,988 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:01:33,989 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:01:33,990 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:01:33,990 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:01:34,000 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:01:34,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:34 WrapperNode [2023-11-23 20:01:34,002 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:01:34,004 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:01:34,004 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:01:34,004 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:01:34,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:34" (1/1) ... [2023-11-23 20:01:34,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:34" (1/1) ... [2023-11-23 20:01:34,165 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 191 [2023-11-23 20:01:34,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:01:34,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:01:34,169 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:01:34,169 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:01:34,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:34" (1/1) ... [2023-11-23 20:01:34,182 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:34" (1/1) ... [2023-11-23 20:01:34,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:34" (1/1) ... [2023-11-23 20:01:34,206 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:34" (1/1) ... [2023-11-23 20:01:34,229 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:34" (1/1) ... [2023-11-23 20:01:34,233 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:34" (1/1) ... [2023-11-23 20:01:34,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:34" (1/1) ... [2023-11-23 20:01:34,239 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:34" (1/1) ... [2023-11-23 20:01:34,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:01:34,252 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:01:34,265 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:01:34,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:01:34,267 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:01:34" (1/1) ... [2023-11-23 20:01:34,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:01:34,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:01:34,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:01:34,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:01:34,351 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:01:34,352 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:01:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:01:34,353 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:01:34,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:01:34,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:01:34,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:01:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:01:34,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:01:34,549 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:01:34,551 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:01:35,038 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:01:35,532 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:01:35,533 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:01:35,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:01:35 BoogieIcfgContainer [2023-11-23 20:01:35,535 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:01:35,539 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:01:35,539 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:01:35,552 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:01:35,553 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:01:35" (1/1) ... [2023-11-23 20:01:35,566 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:01:35,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:35,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2023-11-23 20:01:35,645 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2023-11-23 20:01:35,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:01:35,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:35,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:35,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:36,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:36,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:36,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 62 transitions. [2023-11-23 20:01:36,240 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2023-11-23 20:01:36,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:01:36,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:36,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:36,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:36,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:36,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions. [2023-11-23 20:01:36,906 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-11-23 20:01:36,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:01:36,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:36,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:36,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:37,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:37,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:37,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 58 transitions. [2023-11-23 20:01:37,217 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2023-11-23 20:01:37,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:01:37,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:37,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:37,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:37,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:37,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 57 transitions. [2023-11-23 20:01:37,360 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2023-11-23 20:01:37,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:01:37,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:37,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:37,829 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:37,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:37,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 56 transitions. [2023-11-23 20:01:37,987 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2023-11-23 20:01:37,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:01:37,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:37,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:38,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:38,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:38,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 46 states and 59 transitions. [2023-11-23 20:01:38,773 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-23 20:01:38,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:01:38,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:38,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:39,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:39,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 48 states and 63 transitions. [2023-11-23 20:01:39,007 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2023-11-23 20:01:39,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:01:39,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:39,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:39,143 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:39,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:39,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 51 states and 68 transitions. [2023-11-23 20:01:39,277 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2023-11-23 20:01:39,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:01:39,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:39,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:01:39,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:39,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 57 states and 79 transitions. [2023-11-23 20:01:39,896 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2023-11-23 20:01:39,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:01:39,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:39,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:39,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:40,032 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:40,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 60 states and 83 transitions. [2023-11-23 20:01:40,629 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2023-11-23 20:01:40,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:01:40,631 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:40,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:40,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:01:40,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:40,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 58 states and 77 transitions. [2023-11-23 20:01:40,994 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2023-11-23 20:01:40,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:01:40,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:40,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:41,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:41,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:41,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:41,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 62 states and 81 transitions. [2023-11-23 20:01:41,313 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-11-23 20:01:41,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:01:41,315 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:41,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:41,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:01:41,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:41,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 60 states and 78 transitions. [2023-11-23 20:01:41,648 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2023-11-23 20:01:41,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:01:41,649 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:41,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:41,756 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:42,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:42,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 41 states and 49 transitions. [2023-11-23 20:01:42,041 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2023-11-23 20:01:42,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:01:42,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:42,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:42,238 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:42,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 40 states and 48 transitions. [2023-11-23 20:01:42,560 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-23 20:01:42,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:01:42,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:01:42,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:01:42,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:01:42,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:01:42,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:01:42,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 39 states and 47 transitions. [2023-11-23 20:01:42,973 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-23 20:01:42,974 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:01:42,974 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2023-11-23 20:01:42,991 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-23 20:01:43,344 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:01:43,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:01:43 ImpRootNode [2023-11-23 20:01:43,350 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:01:43,351 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:01:43,351 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:01:43,352 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:01:43,352 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:01:35" (3/4) ... [2023-11-23 20:01:43,355 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:01:43,359 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:01:43,362 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:01:43,373 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges [2023-11-23 20:01:43,377 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-23 20:01:43,378 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:01:43,379 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:01:43,605 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:01:43,609 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:01:43,609 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:01:43,610 INFO L158 Benchmark]: Toolchain (without parser) took 11349.47ms. Allocated memory was 157.3MB in the beginning and 247.5MB in the end (delta: 90.2MB). Free memory was 110.1MB in the beginning and 90.0MB in the end (delta: 20.1MB). Peak memory consumption was 111.3MB. Max. memory is 16.1GB. [2023-11-23 20:01:43,610 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 157.3MB. Free memory was 125.9MB in the beginning and 125.7MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:01:43,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1740.05ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 110.1MB in the beginning and 159.3MB in the end (delta: -49.2MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2023-11-23 20:01:43,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 164.14ms. Allocated memory is still 205.5MB. Free memory was 159.3MB in the beginning and 155.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:01:43,612 INFO L158 Benchmark]: Boogie Preprocessor took 82.50ms. Allocated memory is still 205.5MB. Free memory was 155.1MB in the beginning and 153.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:01:43,613 INFO L158 Benchmark]: RCFGBuilder took 1285.36ms. Allocated memory is still 205.5MB. Free memory was 153.0MB in the beginning and 157.8MB in the end (delta: -4.8MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2023-11-23 20:01:43,614 INFO L158 Benchmark]: CodeCheck took 7811.62ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 156.8MB in the beginning and 97.2MB in the end (delta: 59.6MB). Peak memory consumption was 101.4MB. Max. memory is 16.1GB. [2023-11-23 20:01:43,614 INFO L158 Benchmark]: Witness Printer took 258.14ms. Allocated memory is still 247.5MB. Free memory was 97.2MB in the beginning and 90.0MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:01:43,618 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 3 procedures, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1803 SdHoareTripleChecker+Valid, 5.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 659 mSDsluCounter, 1258 SdHoareTripleChecker+Invalid, 4.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 347 mSDsCounter, 417 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1862 IncrementalHoareTripleChecker+Invalid, 2279 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 417 mSolverCounterUnsat, 911 mSDtfsCounter, 1862 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2793 GetRequests, 2697 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3618 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 316 NumberOfCodeBlocks, 316 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 585 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 64/64 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 - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 157.3MB. Free memory was 125.9MB in the beginning and 125.7MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1740.05ms. Allocated memory was 157.3MB in the beginning and 205.5MB in the end (delta: 48.2MB). Free memory was 110.1MB in the beginning and 159.3MB in the end (delta: -49.2MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 164.14ms. Allocated memory is still 205.5MB. Free memory was 159.3MB in the beginning and 155.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.50ms. Allocated memory is still 205.5MB. Free memory was 155.1MB in the beginning and 153.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1285.36ms. Allocated memory is still 205.5MB. Free memory was 153.0MB in the beginning and 157.8MB in the end (delta: -4.8MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * CodeCheck took 7811.62ms. Allocated memory was 205.5MB in the beginning and 247.5MB in the end (delta: 41.9MB). Free memory was 156.8MB in the beginning and 97.2MB in the end (delta: 59.6MB). Peak memory consumption was 101.4MB. Max. memory is 16.1GB. * Witness Printer took 258.14ms. Allocated memory is still 247.5MB. Free memory was 97.2MB in the beginning and 90.0MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:01:43,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ff23a1e-7f54-4584-b068-be18557e1edd/bin/ukojak-verify-1t5iHCbJaC/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 Result: TRUE