./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_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_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/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_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/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_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/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 ee9c59fadd23ca10e0d185310e2f0a9dbd90ddce0b1298fb9881997e2e5c616b --- 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 [2022-12-15 03:56:47,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 03:56:47,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 03:56:47,275 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 03:56:47,276 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 03:56:47,277 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 03:56:47,278 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 03:56:47,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 03:56:47,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 03:56:47,281 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 03:56:47,282 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 03:56:47,283 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 03:56:47,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 03:56:47,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 03:56:47,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 03:56:47,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 03:56:47,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 03:56:47,288 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 03:56:47,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 03:56:47,291 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 03:56:47,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 03:56:47,293 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 03:56:47,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 03:56:47,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 03:56:47,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 03:56:47,298 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 03:56:47,298 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 03:56:47,299 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 03:56:47,299 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 03:56:47,300 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 03:56:47,300 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 03:56:47,301 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 03:56:47,302 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 03:56:47,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 03:56:47,303 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 03:56:47,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 03:56:47,304 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 03:56:47,304 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 03:56:47,304 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 03:56:47,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 03:56:47,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 03:56:47,306 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 03:56:47,327 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 03:56:47,327 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 03:56:47,328 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 03:56:47,328 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 03:56:47,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 03:56:47,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 03:56:47,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 03:56:47,334 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 03:56:47,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 03:56:47,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 03:56:47,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 03:56:47,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 03:56:47,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 03:56:47,335 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 03:56:47,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 03:56:47,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 03:56:47,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 03:56:47,336 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 03:56:47,336 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 03:56:47,337 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 03:56:47,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:56:47,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 03:56:47,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 03:56:47,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 03:56:47,338 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 03:56:47,338 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 03:56:47,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 03:56:47,338 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_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee9c59fadd23ca10e0d185310e2f0a9dbd90ddce0b1298fb9881997e2e5c616b [2022-12-15 03:56:47,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 03:56:47,522 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 03:56:47,524 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 03:56:47,525 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 03:56:47,525 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 03:56:47,526 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_good.i [2022-12-15 03:56:50,074 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 03:56:50,334 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 03:56:50,334 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_21_good.i [2022-12-15 03:56:50,351 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/bin/ukojak-rkRKPMF4O4/data/165cac1c2/072f84ff89ac4e369c426bd14c06ae0e/FLAGd25ccef2c [2022-12-15 03:56:50,363 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/bin/ukojak-rkRKPMF4O4/data/165cac1c2/072f84ff89ac4e369c426bd14c06ae0e [2022-12-15 03:56:50,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 03:56:50,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 03:56:50,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 03:56:50,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 03:56:50,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 03:56:50,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:56:50" (1/1) ... [2022-12-15 03:56:50,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b85f0b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:50, skipping insertion in model container [2022-12-15 03:56:50,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 03:56:50" (1/1) ... [2022-12-15 03:56:50,378 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 03:56:50,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 03:56:50,686 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:56:50,990 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:56:50,995 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:56:50,997 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:56:51,000 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:56:51,000 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:56:51,036 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:56:51,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:56:51,046 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 03:56:51,061 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 03:56:51,092 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 03:56:51,093 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:56:51,094 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 03:56:51,096 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:56:51,096 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 03:56:51,104 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 03:56:51,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 03:56:51,209 INFO L208 MainTranslator]: Completed translation [2022-12-15 03:56:51,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:51 WrapperNode [2022-12-15 03:56:51,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 03:56:51,210 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 03:56:51,210 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 03:56:51,210 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 03:56:51,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:51" (1/1) ... [2022-12-15 03:56:51,232 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:51" (1/1) ... [2022-12-15 03:56:51,251 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 110 [2022-12-15 03:56:51,252 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 03:56:51,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 03:56:51,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 03:56:51,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 03:56:51,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:51" (1/1) ... [2022-12-15 03:56:51,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:51" (1/1) ... [2022-12-15 03:56:51,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:51" (1/1) ... [2022-12-15 03:56:51,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:51" (1/1) ... [2022-12-15 03:56:51,267 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:51" (1/1) ... [2022-12-15 03:56:51,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:51" (1/1) ... [2022-12-15 03:56:51,270 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:51" (1/1) ... [2022-12-15 03:56:51,271 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:51" (1/1) ... [2022-12-15 03:56:51,274 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 03:56:51,274 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 03:56:51,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 03:56:51,275 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 03:56:51,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 03:56:51" (1/1) ... [2022-12-15 03:56:51,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 03:56:51,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 03:56:51,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 03:56:51,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 03:56:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 03:56:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 03:56:51,334 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 03:56:51,334 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 03:56:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 03:56:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 03:56:51,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 03:56:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 03:56:51,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 03:56:51,450 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 03:56:51,452 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 03:56:51,617 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 03:56:51,692 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 03:56:51,692 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 03:56:51,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:56:51 BoogieIcfgContainer [2022-12-15 03:56:51,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 03:56:51,696 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 03:56:51,696 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 03:56:51,705 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 03:56:51,705 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:56:51" (1/1) ... [2022-12-15 03:56:51,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 03:56:51,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:56:51,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-12-15 03:56:51,757 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-12-15 03:56:51,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-15 03:56:51,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:56:51,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:56:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:56:51,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:56:51,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:56:51,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2022-12-15 03:56:51,991 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-12-15 03:56:51,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-15 03:56:51,992 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:56:51,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:56:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:56:52,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 03:56:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:56:52,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2022-12-15 03:56:52,194 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2022-12-15 03:56:52,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-15 03:56:52,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:56:52,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:56:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:56:52,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:56:52,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:56:52,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 41 transitions. [2022-12-15 03:56:52,306 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2022-12-15 03:56:52,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-15 03:56:52,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:56:52,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:56:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:56:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:56:52,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:56:52,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 40 transitions. [2022-12-15 03:56:52,383 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-12-15 03:56:52,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:56:52,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:56:52,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:56:52,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:56:52,460 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:56:52,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:56:52,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 39 transitions. [2022-12-15 03:56:52,483 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-12-15 03:56:52,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-15 03:56:52,483 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:56:52,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:56:52,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:56:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 03:56:52,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:56:52,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 38 transitions. [2022-12-15 03:56:52,724 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-12-15 03:56:52,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-15 03:56:52,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:56:52,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:56:52,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:56:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:56:52,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:56:52,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 37 transitions. [2022-12-15 03:56:52,826 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-12-15 03:56:52,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-12-15 03:56:52,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 03:56:52,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 03:56:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 03:56:52,913 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-15 03:56:52,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 03:56:52,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 36 transitions. [2022-12-15 03:56:52,994 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-12-15 03:56:52,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 03:56:52,995 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-15 03:56:53,001 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-12-15 03:56:53,036 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 03:56:53,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 03:56:53 ImpRootNode [2022-12-15 03:56:53,040 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 03:56:53,041 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 03:56:53,041 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 03:56:53,041 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 03:56:53,041 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 03:56:51" (3/4) ... [2022-12-15 03:56:53,044 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 03:56:53,048 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 03:56:53,048 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 03:56:53,051 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-15 03:56:53,052 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-15 03:56:53,052 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-15 03:56:53,052 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 03:56:53,090 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 03:56:53,090 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 03:56:53,091 INFO L158 Benchmark]: Toolchain (without parser) took 2723.98ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 85.1MB in the beginning and 125.1MB in the end (delta: -40.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:56:53,091 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:56:53,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 841.35ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 84.7MB in the beginning and 108.0MB in the end (delta: -23.3MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2022-12-15 03:56:53,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.01ms. Allocated memory is still 167.8MB. Free memory was 108.0MB in the beginning and 104.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 03:56:53,092 INFO L158 Benchmark]: Boogie Preprocessor took 21.53ms. Allocated memory is still 167.8MB. Free memory was 103.8MB in the beginning and 102.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:56:53,092 INFO L158 Benchmark]: RCFGBuilder took 420.59ms. Allocated memory is still 167.8MB. Free memory was 102.6MB in the beginning and 76.6MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-12-15 03:56:53,093 INFO L158 Benchmark]: CodeCheck took 1344.70ms. Allocated memory is still 167.8MB. Free memory was 76.6MB in the beginning and 129.2MB in the end (delta: -52.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 03:56:53,093 INFO L158 Benchmark]: Witness Printer took 49.46ms. Allocated memory is still 167.8MB. Free memory was 129.2MB in the beginning and 125.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 03:56:53,094 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 3 procedures, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 416 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 234 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 101 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 272 IncrementalHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 101 mSolverCounterUnsat, 212 mSDtfsCounter, 272 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 769 GetRequests, 739 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 155 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 20/20 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1584]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1630]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 130.0MB. Free memory is still 100.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 841.35ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 84.7MB in the beginning and 108.0MB in the end (delta: -23.3MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.01ms. Allocated memory is still 167.8MB. Free memory was 108.0MB in the beginning and 104.7MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.53ms. Allocated memory is still 167.8MB. Free memory was 103.8MB in the beginning and 102.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 420.59ms. Allocated memory is still 167.8MB. Free memory was 102.6MB in the beginning and 76.6MB in the end (delta: 26.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 1344.70ms. Allocated memory is still 167.8MB. Free memory was 76.6MB in the beginning and 129.2MB in the end (delta: -52.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 49.46ms. Allocated memory is still 167.8MB. Free memory was 129.2MB in the beginning and 125.1MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-15 03:56:53,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed54bbb4-75d0-45a0-b362-fc22cfcf1949/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