./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_17d450a3-ebc5-467b-8f71-371c5f5672a6/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d450a3-ebc5-467b-8f71-371c5f5672a6/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_17d450a3-ebc5-467b-8f71-371c5f5672a6/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d450a3-ebc5-467b-8f71-371c5f5672a6/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d450a3-ebc5-467b-8f71-371c5f5672a6/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_17d450a3-ebc5-467b-8f71-371c5f5672a6/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 7a128bbc72777543e51b605a0d431e8a70f5315af440203ec0bb39e26d519586 --- 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 22:40:42,027 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 22:40:42,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 22:40:42,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 22:40:42,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 22:40:42,044 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 22:40:42,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 22:40:42,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 22:40:42,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 22:40:42,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 22:40:42,048 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 22:40:42,049 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 22:40:42,049 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 22:40:42,050 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 22:40:42,051 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 22:40:42,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 22:40:42,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 22:40:42,053 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 22:40:42,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 22:40:42,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 22:40:42,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 22:40:42,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 22:40:42,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 22:40:42,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 22:40:42,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 22:40:42,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 22:40:42,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 22:40:42,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 22:40:42,062 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 22:40:42,063 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 22:40:42,063 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 22:40:42,064 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 22:40:42,064 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 22:40:42,065 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 22:40:42,066 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 22:40:42,066 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 22:40:42,066 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 22:40:42,067 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 22:40:42,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 22:40:42,067 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 22:40:42,068 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 22:40:42,068 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d450a3-ebc5-467b-8f71-371c5f5672a6/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-14 22:40:42,082 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 22:40:42,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 22:40:42,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 22:40:42,083 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 22:40:42,083 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 22:40:42,083 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 22:40:42,084 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 22:40:42,084 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 22:40:42,084 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 22:40:42,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 22:40:42,084 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 22:40:42,084 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 22:40:42,084 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 22:40:42,084 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 22:40:42,084 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 22:40:42,085 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 22:40:42,085 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 22:40:42,085 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 22:40:42,085 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 22:40:42,085 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 22:40:42,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:40:42,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 22:40:42,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 22:40:42,086 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 22:40:42,086 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 22:40:42,086 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 22:40:42,086 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 22:40:42,086 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_17d450a3-ebc5-467b-8f71-371c5f5672a6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d450a3-ebc5-467b-8f71-371c5f5672a6/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a128bbc72777543e51b605a0d431e8a70f5315af440203ec0bb39e26d519586 [2022-12-14 22:40:42,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 22:40:42,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 22:40:42,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 22:40:42,268 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 22:40:42,268 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 22:40:42,269 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d450a3-ebc5-467b-8f71-371c5f5672a6/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_good.i [2022-12-14 22:40:44,794 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 22:40:45,026 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 22:40:45,027 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d450a3-ebc5-467b-8f71-371c5f5672a6/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_03_good.i [2022-12-14 22:40:45,041 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d450a3-ebc5-467b-8f71-371c5f5672a6/bin/ukojak-rkRKPMF4O4/data/458ffa353/0f19eed87b6944cca059cbdd9af037ae/FLAG3a9b042d3 [2022-12-14 22:40:45,346 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d450a3-ebc5-467b-8f71-371c5f5672a6/bin/ukojak-rkRKPMF4O4/data/458ffa353/0f19eed87b6944cca059cbdd9af037ae [2022-12-14 22:40:45,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 22:40:45,350 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 22:40:45,351 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 22:40:45,351 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 22:40:45,354 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 22:40:45,355 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:40:45" (1/1) ... [2022-12-14 22:40:45,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cce9fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:45, skipping insertion in model container [2022-12-14 22:40:45,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:40:45" (1/1) ... [2022-12-14 22:40:45,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 22:40:45,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 22:40:45,658 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 22:40:45,986 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 22:40:45,991 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:40:45,993 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:40:45,996 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:40:45,996 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:40:46,032 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 22:40:46,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:40:46,040 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 22:40:46,054 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-14 22:40:46,084 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-14 22:40:46,085 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:40:46,086 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-14 22:40:46,087 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:40:46,088 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-14 22:40:46,095 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-14 22:40:46,096 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 22:40:46,222 INFO L208 MainTranslator]: Completed translation [2022-12-14 22:40:46,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:46 WrapperNode [2022-12-14 22:40:46,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 22:40:46,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 22:40:46,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 22:40:46,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 22:40:46,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:46" (1/1) ... [2022-12-14 22:40:46,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:46" (1/1) ... [2022-12-14 22:40:46,279 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2022-12-14 22:40:46,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 22:40:46,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 22:40:46,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 22:40:46,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 22:40:46,290 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:46" (1/1) ... [2022-12-14 22:40:46,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:46" (1/1) ... [2022-12-14 22:40:46,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:46" (1/1) ... [2022-12-14 22:40:46,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:46" (1/1) ... [2022-12-14 22:40:46,300 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:46" (1/1) ... [2022-12-14 22:40:46,302 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:46" (1/1) ... [2022-12-14 22:40:46,304 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:46" (1/1) ... [2022-12-14 22:40:46,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:46" (1/1) ... [2022-12-14 22:40:46,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 22:40:46,309 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 22:40:46,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 22:40:46,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 22:40:46,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:40:46" (1/1) ... [2022-12-14 22:40:46,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 22:40:46,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d450a3-ebc5-467b-8f71-371c5f5672a6/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 22:40:46,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d450a3-ebc5-467b-8f71-371c5f5672a6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 22:40:46,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d450a3-ebc5-467b-8f71-371c5f5672a6/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 22:40:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-14 22:40:46,373 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-14 22:40:46,373 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-14 22:40:46,373 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-14 22:40:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 22:40:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 22:40:46,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 22:40:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-14 22:40:46,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 22:40:46,470 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 22:40:46,471 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 22:40:46,635 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 22:40:46,725 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 22:40:46,725 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-14 22:40:46,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:40:46 BoogieIcfgContainer [2022-12-14 22:40:46,727 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 22:40:46,727 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 22:40:46,728 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 22:40:46,735 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 22:40:46,735 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:40:46" (1/1) ... [2022-12-14 22:40:46,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 22:40:46,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:40:46,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 56 transitions. [2022-12-14 22:40:46,784 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2022-12-14 22:40:46,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 22:40:46,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:40:46,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:40:46,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:40:46,964 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 22:40:46,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:40:46,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 52 transitions. [2022-12-14 22:40:46,995 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 52 transitions. [2022-12-14 22:40:46,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-12-14 22:40:46,996 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:40:46,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:40:47,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:40:47,166 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 22:40:47,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:40:47,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 51 transitions. [2022-12-14 22:40:47,212 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 51 transitions. [2022-12-14 22:40:47,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-12-14 22:40:47,212 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:40:47,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:40:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:40:47,283 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:40:47,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:40:47,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 49 transitions. [2022-12-14 22:40:47,303 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-12-14 22:40:47,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 22:40:47,304 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:40:47,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:40:47,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:40:47,413 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 22:40:47,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:40:47,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 48 transitions. [2022-12-14 22:40:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2022-12-14 22:40:47,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-14 22:40:47,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:40:47,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:40:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:40:47,513 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:40:47,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:40:47,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 43 transitions. [2022-12-14 22:40:47,533 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2022-12-14 22:40:47,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-14 22:40:47,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:40:47,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:40:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:40:47,585 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:40:47,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:40:47,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 42 transitions. [2022-12-14 22:40:47,635 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2022-12-14 22:40:47,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-14 22:40:47,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:40:47,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:40:47,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:40:47,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:40:47,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:40:47,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 33 states and 40 transitions. [2022-12-14 22:40:47,728 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-12-14 22:40:47,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-14 22:40:47,728 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 22:40:47,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 22:40:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 22:40:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-14 22:40:47,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 22:40:47,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 39 transitions. [2022-12-14 22:40:47,862 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-12-14 22:40:47,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 22:40:47,863 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-14 22:40:47,870 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-12-14 22:40:47,901 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 22:40:47,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 10:40:47 ImpRootNode [2022-12-14 22:40:47,906 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 22:40:47,906 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 22:40:47,907 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 22:40:47,907 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 22:40:47,907 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:40:46" (3/4) ... [2022-12-14 22:40:47,910 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 22:40:47,916 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-14 22:40:47,916 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-14 22:40:47,920 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-12-14 22:40:47,921 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-12-14 22:40:47,921 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-14 22:40:47,921 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 22:40:47,967 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d450a3-ebc5-467b-8f71-371c5f5672a6/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 22:40:47,967 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 22:40:47,968 INFO L158 Benchmark]: Toolchain (without parser) took 2618.46ms. Allocated memory was 136.3MB in the beginning and 220.2MB in the end (delta: 83.9MB). Free memory was 101.9MB in the beginning and 176.9MB in the end (delta: -75.0MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-12-14 22:40:47,968 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 136.3MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:40:47,969 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.75ms. Allocated memory was 136.3MB in the beginning and 220.2MB in the end (delta: 83.9MB). Free memory was 101.6MB in the beginning and 164.9MB in the end (delta: -63.3MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. [2022-12-14 22:40:47,969 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.81ms. Allocated memory is still 220.2MB. Free memory was 164.9MB in the beginning and 160.8MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:40:47,969 INFO L158 Benchmark]: Boogie Preprocessor took 27.53ms. Allocated memory is still 220.2MB. Free memory was 160.8MB in the beginning and 159.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 22:40:47,970 INFO L158 Benchmark]: RCFGBuilder took 418.30ms. Allocated memory is still 220.2MB. Free memory was 158.7MB in the beginning and 128.2MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-12-14 22:40:47,970 INFO L158 Benchmark]: CodeCheck took 1178.51ms. Allocated memory is still 220.2MB. Free memory was 128.2MB in the beginning and 180.1MB in the end (delta: -51.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 22:40:47,970 INFO L158 Benchmark]: Witness Printer took 61.08ms. Allocated memory is still 220.2MB. Free memory was 180.1MB in the beginning and 176.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 22:40:47,972 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, 42 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 424 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 204 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 98 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 292 IncrementalHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 98 mSolverCounterUnsat, 176 mSDtfsCounter, 292 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 904 GetRequests, 880 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 130 NumberOfCodeBlocks, 130 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 122 ConstructedInterpolants, 0 QuantifiedInterpolants, 170 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 28/28 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 0.20ms. Allocated memory is still 136.3MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.75ms. Allocated memory was 136.3MB in the beginning and 220.2MB in the end (delta: 83.9MB). Free memory was 101.6MB in the beginning and 164.9MB in the end (delta: -63.3MB). Peak memory consumption was 54.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.81ms. Allocated memory is still 220.2MB. Free memory was 164.9MB in the beginning and 160.8MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.53ms. Allocated memory is still 220.2MB. Free memory was 160.8MB in the beginning and 159.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 418.30ms. Allocated memory is still 220.2MB. Free memory was 158.7MB in the beginning and 128.2MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * CodeCheck took 1178.51ms. Allocated memory is still 220.2MB. Free memory was 128.2MB in the beginning and 180.1MB in the end (delta: -51.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.08ms. Allocated memory is still 220.2MB. Free memory was 180.1MB in the beginning and 176.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 22:40:47,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17d450a3-ebc5-467b-8f71-371c5f5672a6/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