./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4 --witnessprinter.witness.filename witness.graphml --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 6e8bfcc3a67be4044ef797cd4040a11ac0a5b17debac9dd5344f9777da9bda4b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 19:58:44,433 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 19:58:44,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 19:58:44,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 19:58:44,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 19:58:44,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 19:58:44,457 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 19:58:44,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 19:58:44,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 19:58:44,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 19:58:44,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 19:58:44,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 19:58:44,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 19:58:44,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 19:58:44,464 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 19:58:44,465 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 19:58:44,466 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 19:58:44,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 19:58:44,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 19:58:44,470 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 19:58:44,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 19:58:44,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 19:58:44,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 19:58:44,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 19:58:44,478 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 19:58:44,478 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 19:58:44,479 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 19:58:44,479 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 19:58:44,480 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 19:58:44,481 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 19:58:44,481 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 19:58:44,482 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 19:58:44,483 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 19:58:44,483 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 19:58:44,484 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 19:58:44,485 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 19:58:44,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 19:58:44,485 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 19:58:44,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 19:58:44,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 19:58:44,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 19:58:44,488 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 19:58:44,507 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 19:58:44,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 19:58:44,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 19:58:44,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 19:58:44,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 19:58:44,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 19:58:44,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 19:58:44,509 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 19:58:44,509 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 19:58:44,509 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 19:58:44,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 19:58:44,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 19:58:44,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 19:58:44,510 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 19:58:44,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 19:58:44,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 19:58:44,511 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 19:58:44,511 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 19:58:44,511 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 19:58:44,511 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 19:58:44,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:58:44,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 19:58:44,512 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 19:58:44,512 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 19:58:44,512 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 19:58:44,512 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 19:58:44,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 19:58:44,512 INFO L138 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_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e8bfcc3a67be4044ef797cd4040a11ac0a5b17debac9dd5344f9777da9bda4b [2022-12-14 19:58:44,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 19:58:44,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 19:58:44,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 19:58:44,716 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 19:58:44,717 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 19:58:44,718 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_good.i [2022-12-14 19:58:47,301 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 19:58:47,492 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 19:58:47,493 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_08_good.i [2022-12-14 19:58:47,505 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4/data/0eb0188eb/56bc4279f55545f287a22ad0ac8b6a72/FLAGc82c88bbe [2022-12-14 19:58:47,516 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4/data/0eb0188eb/56bc4279f55545f287a22ad0ac8b6a72 [2022-12-14 19:58:47,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 19:58:47,519 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 19:58:47,519 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 19:58:47,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 19:58:47,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 19:58:47,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:58:47" (1/1) ... [2022-12-14 19:58:47,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@906155c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:47, skipping insertion in model container [2022-12-14 19:58:47,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 07:58:47" (1/1) ... [2022-12-14 19:58:47,529 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 19:58:47,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 19:58:47,785 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 19:58:48,158 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 19:58:48,162 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 19:58:48,163 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 19:58:48,165 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 19:58:48,165 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 19:58:48,193 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 19:58:48,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:58:48,201 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 19:58:48,219 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 19:58:48,261 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 19:58:48,263 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 19:58:48,264 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 19:58:48,266 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 19:58:48,267 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 19:58:48,276 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 19:58:48,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 19:58:48,444 INFO L208 MainTranslator]: Completed translation [2022-12-14 19:58:48,444 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:48 WrapperNode [2022-12-14 19:58:48,444 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 19:58:48,445 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 19:58:48,445 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 19:58:48,445 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 19:58:48,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:48" (1/1) ... [2022-12-14 19:58:48,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:48" (1/1) ... [2022-12-14 19:58:48,504 INFO L138 Inliner]: procedures = 505, calls = 77, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 157 [2022-12-14 19:58:48,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 19:58:48,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 19:58:48,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 19:58:48,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 19:58:48,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:48" (1/1) ... [2022-12-14 19:58:48,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:48" (1/1) ... [2022-12-14 19:58:48,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:48" (1/1) ... [2022-12-14 19:58:48,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:48" (1/1) ... [2022-12-14 19:58:48,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:48" (1/1) ... [2022-12-14 19:58:48,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:48" (1/1) ... [2022-12-14 19:58:48,532 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:48" (1/1) ... [2022-12-14 19:58:48,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:48" (1/1) ... [2022-12-14 19:58:48,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 19:58:48,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 19:58:48,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 19:58:48,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 19:58:48,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 07:58:48" (1/1) ... [2022-12-14 19:58:48,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 19:58:48,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 19:58:48,570 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 19:58:48,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 19:58:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 19:58:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 19:58:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 19:58:48,605 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 19:58:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 19:58:48,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 19:58:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 19:58:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-12-14 19:58:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-12-14 19:58:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2022-12-14 19:58:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2022-12-14 19:58:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 19:58:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 19:58:48,719 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 19:58:48,720 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 19:58:48,910 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 19:58:49,006 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 19:58:49,006 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-14 19:58:49,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:58:49 BoogieIcfgContainer [2022-12-14 19:58:49,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 19:58:49,009 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 19:58:49,009 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 19:58:49,016 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 19:58:49,016 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:58:49" (1/1) ... [2022-12-14 19:58:49,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 19:58:49,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:49,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 65 states and 85 transitions. [2022-12-14 19:58:49,062 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2022-12-14 19:58:49,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-12-14 19:58:49,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:49,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:49,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:49,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:49,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 84 transitions. [2022-12-14 19:58:49,297 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2022-12-14 19:58:49,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-14 19:58:49,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:49,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:49,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 19:58:49,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:49,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 63 states and 83 transitions. [2022-12-14 19:58:49,561 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2022-12-14 19:58:49,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-12-14 19:58:49,562 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:49,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:49,651 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 19:58:49,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:49,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 62 states and 80 transitions. [2022-12-14 19:58:49,739 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2022-12-14 19:58:49,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-14 19:58:49,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:49,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:49,806 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 19:58:49,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:49,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 61 states and 79 transitions. [2022-12-14 19:58:49,831 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 79 transitions. [2022-12-14 19:58:49,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-14 19:58:49,832 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:49,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 19:58:50,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:50,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 60 states and 78 transitions. [2022-12-14 19:58:50,109 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2022-12-14 19:58:50,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-12-14 19:58:50,111 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:50,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:50,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:50,220 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 19:58:50,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 60 states and 77 transitions. [2022-12-14 19:58:50,318 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2022-12-14 19:58:50,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-12-14 19:58:50,319 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:50,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:50,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 19:58:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:50,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 64 states and 84 transitions. [2022-12-14 19:58:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 84 transitions. [2022-12-14 19:58:50,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-12-14 19:58:50,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:50,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:50,529 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-12-14 19:58:50,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:50,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 69 states and 92 transitions. [2022-12-14 19:58:50,619 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2022-12-14 19:58:50,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-14 19:58:50,620 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:50,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:50,721 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-14 19:58:50,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:50,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 57 states and 72 transitions. [2022-12-14 19:58:50,762 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2022-12-14 19:58:50,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-14 19:58:50,763 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:50,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:50,846 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 19:58:50,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:50,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 57 states and 71 transitions. [2022-12-14 19:58:50,993 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2022-12-14 19:58:50,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-12-14 19:58:50,994 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:50,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 19:58:51,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:51,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 56 states and 70 transitions. [2022-12-14 19:58:51,259 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2022-12-14 19:58:51,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-14 19:58:51,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 19:58:51,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 19:58:51,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 19:58:51,404 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-14 19:58:51,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 19:58:51,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 55 states and 69 transitions. [2022-12-14 19:58:51,510 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2022-12-14 19:58:51,511 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 19:58:51,511 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2022-12-14 19:58:51,518 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 19:58:51,609 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 19:58:51,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 07:58:51 ImpRootNode [2022-12-14 19:58:51,613 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 19:58:51,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 19:58:51,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 19:58:51,614 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 19:58:51,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 07:58:49" (3/4) ... [2022-12-14 19:58:51,617 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 19:58:51,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 19:58:51,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2022-12-14 19:58:51,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 19:58:51,621 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2022-12-14 19:58:51,625 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2022-12-14 19:58:51,626 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 19:58:51,626 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 19:58:51,626 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 19:58:51,674 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 19:58:51,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 19:58:51,675 INFO L158 Benchmark]: Toolchain (without parser) took 4156.34ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 79.5MB in the beginning and 123.8MB in the end (delta: -44.3MB). Peak memory consumption was 78.8MB. Max. memory is 16.1GB. [2022-12-14 19:58:51,675 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 125.8MB. Free memory was 95.7MB in the beginning and 95.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 19:58:51,675 INFO L158 Benchmark]: CACSL2BoogieTranslator took 925.38ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 79.5MB in the beginning and 99.9MB in the end (delta: -20.4MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-12-14 19:58:51,676 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.47ms. Allocated memory is still 161.5MB. Free memory was 99.9MB in the beginning and 96.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 19:58:51,676 INFO L158 Benchmark]: Boogie Preprocessor took 32.06ms. Allocated memory is still 161.5MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 19:58:51,676 INFO L158 Benchmark]: RCFGBuilder took 470.71ms. Allocated memory is still 161.5MB. Free memory was 94.1MB in the beginning and 118.6MB in the end (delta: -24.6MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2022-12-14 19:58:51,676 INFO L158 Benchmark]: CodeCheck took 2604.23ms. Allocated memory is still 161.5MB. Free memory was 118.6MB in the beginning and 42.7MB in the end (delta: 76.0MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2022-12-14 19:58:51,677 INFO L158 Benchmark]: Witness Printer took 60.64ms. Allocated memory is still 161.5MB. Free memory was 42.7MB in the beginning and 123.8MB in the end (delta: -81.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2022-12-14 19:58:51,678 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 5 procedures, 65 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1759 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 274 mSDsluCounter, 1255 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 178 mSDsCounter, 321 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 996 IncrementalHoareTripleChecker+Invalid, 1317 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 321 mSolverCounterUnsat, 1077 mSDtfsCounter, 996 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3305 GetRequests, 3251 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 472 NumberOfCodeBlocks, 472 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 460 ConstructedInterpolants, 0 QuantifiedInterpolants, 606 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 214/220 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: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: 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: 1654]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 125.8MB. Free memory was 95.7MB in the beginning and 95.5MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 925.38ms. Allocated memory was 125.8MB in the beginning and 161.5MB in the end (delta: 35.7MB). Free memory was 79.5MB in the beginning and 99.9MB in the end (delta: -20.4MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.47ms. Allocated memory is still 161.5MB. Free memory was 99.9MB in the beginning and 96.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.06ms. Allocated memory is still 161.5MB. Free memory was 96.2MB in the beginning and 94.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 470.71ms. Allocated memory is still 161.5MB. Free memory was 94.1MB in the beginning and 118.6MB in the end (delta: -24.6MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * CodeCheck took 2604.23ms. Allocated memory is still 161.5MB. Free memory was 118.6MB in the beginning and 42.7MB in the end (delta: 76.0MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * Witness Printer took 60.64ms. Allocated memory is still 161.5MB. Free memory was 42.7MB in the beginning and 123.8MB in the end (delta: -81.1MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 19:58:51,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f452ffd0-7adf-4b71-bfff-2d4c2fa8b9b1/bin/ukojak-rkRKPMF4O4/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