./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_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_f1562f30-03c1-4065-af7f-e1b8a11cc233/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1562f30-03c1-4065-af7f-e1b8a11cc233/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_f1562f30-03c1-4065-af7f-e1b8a11cc233/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1562f30-03c1-4065-af7f-e1b8a11cc233/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1562f30-03c1-4065-af7f-e1b8a11cc233/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_f1562f30-03c1-4065-af7f-e1b8a11cc233/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 01105db113442005e0bdd0dd2597cc3e4c044a9a9395f4487f7b4264680d799a --- 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 00:41:43,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 00:41:43,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 00:41:44,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 00:41:44,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 00:41:44,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 00:41:44,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 00:41:44,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 00:41:44,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 00:41:44,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 00:41:44,013 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 00:41:44,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 00:41:44,014 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 00:41:44,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 00:41:44,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 00:41:44,016 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 00:41:44,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 00:41:44,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 00:41:44,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 00:41:44,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 00:41:44,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 00:41:44,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 00:41:44,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 00:41:44,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 00:41:44,026 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 00:41:44,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 00:41:44,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 00:41:44,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 00:41:44,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 00:41:44,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 00:41:44,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 00:41:44,028 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 00:41:44,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 00:41:44,029 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 00:41:44,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 00:41:44,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 00:41:44,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 00:41:44,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 00:41:44,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 00:41:44,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 00:41:44,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 00:41:44,033 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1562f30-03c1-4065-af7f-e1b8a11cc233/bin/ukojak-rkRKPMF4O4/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-12-15 00:41:44,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 00:41:44,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 00:41:44,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 00:41:44,047 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 00:41:44,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 00:41:44,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 00:41:44,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 00:41:44,048 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-15 00:41:44,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 00:41:44,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 00:41:44,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 00:41:44,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 00:41:44,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 00:41:44,049 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-15 00:41:44,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 00:41:44,049 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 00:41:44,049 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 00:41:44,049 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 00:41:44,049 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 00:41:44,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 00:41:44,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:41:44,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 00:41:44,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 00:41:44,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 00:41:44,050 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 00:41:44,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 00:41:44,050 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 00:41:44,050 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_f1562f30-03c1-4065-af7f-e1b8a11cc233/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1562f30-03c1-4065-af7f-e1b8a11cc233/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01105db113442005e0bdd0dd2597cc3e4c044a9a9395f4487f7b4264680d799a [2022-12-15 00:41:44,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 00:41:44,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 00:41:44,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 00:41:44,236 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 00:41:44,237 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 00:41:44,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1562f30-03c1-4065-af7f-e1b8a11cc233/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_good.i [2022-12-15 00:41:46,770 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 00:41:47,005 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 00:41:47,006 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1562f30-03c1-4065-af7f-e1b8a11cc233/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_65_good.i [2022-12-15 00:41:47,024 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1562f30-03c1-4065-af7f-e1b8a11cc233/bin/ukojak-rkRKPMF4O4/data/c3dd404e1/dff1fee163ab43dc9ed0630e0b686c78/FLAGf025b01b4 [2022-12-15 00:41:47,361 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1562f30-03c1-4065-af7f-e1b8a11cc233/bin/ukojak-rkRKPMF4O4/data/c3dd404e1/dff1fee163ab43dc9ed0630e0b686c78 [2022-12-15 00:41:47,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 00:41:47,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 00:41:47,370 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 00:41:47,370 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 00:41:47,374 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 00:41:47,375 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:41:47" (1/1) ... [2022-12-15 00:41:47,376 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d19110f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:41:47, skipping insertion in model container [2022-12-15 00:41:47,376 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 12:41:47" (1/1) ... [2022-12-15 00:41:47,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 00:41:47,417 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 00:41:47,643 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 00:41:48,022 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 00:41:48,028 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:41:48,030 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:41:48,033 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:41:48,033 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:41:48,068 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 00:41:48,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:41:48,081 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 00:41:48,095 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-15 00:41:48,125 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-15 00:41:48,127 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:41:48,127 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-15 00:41:48,129 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:41:48,129 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-15 00:41:48,133 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-15 00:41:48,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 00:41:48,237 INFO L208 MainTranslator]: Completed translation [2022-12-15 00:41:48,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:41:48 WrapperNode [2022-12-15 00:41:48,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 00:41:48,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 00:41:48,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 00:41:48,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 00:41:48,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:41:48" (1/1) ... [2022-12-15 00:41:48,260 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:41:48" (1/1) ... [2022-12-15 00:41:48,278 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 77 [2022-12-15 00:41:48,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 00:41:48,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 00:41:48,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 00:41:48,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 00:41:48,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:41:48" (1/1) ... [2022-12-15 00:41:48,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:41:48" (1/1) ... [2022-12-15 00:41:48,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:41:48" (1/1) ... [2022-12-15 00:41:48,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:41:48" (1/1) ... [2022-12-15 00:41:48,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:41:48" (1/1) ... [2022-12-15 00:41:48,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:41:48" (1/1) ... [2022-12-15 00:41:48,296 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:41:48" (1/1) ... [2022-12-15 00:41:48,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:41:48" (1/1) ... [2022-12-15 00:41:48,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 00:41:48,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 00:41:48,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 00:41:48,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 00:41:48,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 12:41:48" (1/1) ... [2022-12-15 00:41:48,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 00:41:48,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1562f30-03c1-4065-af7f-e1b8a11cc233/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 00:41:48,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1562f30-03c1-4065-af7f-e1b8a11cc233/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 00:41:48,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1562f30-03c1-4065-af7f-e1b8a11cc233/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 00:41:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-15 00:41:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-15 00:41:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-15 00:41:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-15 00:41:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 00:41:48,365 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-12-15 00:41:48,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-12-15 00:41:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 00:41:48,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 00:41:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-15 00:41:48,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 00:41:48,480 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 00:41:48,481 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 00:41:48,617 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 00:41:48,677 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 00:41:48,677 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-15 00:41:48,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:41:48 BoogieIcfgContainer [2022-12-15 00:41:48,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 00:41:48,681 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 00:41:48,681 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 00:41:48,690 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 00:41:48,690 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:41:48" (1/1) ... [2022-12-15 00:41:48,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 00:41:48,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:41:48,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2022-12-15 00:41:48,736 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-12-15 00:41:48,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-12-15 00:41:48,739 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:41:48,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:41:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:41:48,983 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 00:41:49,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:41:49,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 47 transitions. [2022-12-15 00:41:49,058 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-12-15 00:41:49,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:41:49,058 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:41:49,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:41:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:41:49,097 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 00:41:49,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:41:49,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 46 transitions. [2022-12-15 00:41:49,114 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-12-15 00:41:49,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-15 00:41:49,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:41:49,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:41:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:41:49,151 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 00:41:49,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:41:49,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 45 transitions. [2022-12-15 00:41:49,203 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-12-15 00:41:49,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-15 00:41:49,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:41:49,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:41:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:41:49,240 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 00:41:49,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:41:49,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 44 transitions. [2022-12-15 00:41:49,298 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-12-15 00:41:49,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 00:41:49,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:41:49,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:41:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:41:49,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:41:49,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:41:49,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 50 transitions. [2022-12-15 00:41:49,565 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2022-12-15 00:41:49,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-15 00:41:49,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:41:49,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:41:49,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:41:49,707 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:41:50,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:41:50,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 56 transitions. [2022-12-15 00:41:50,154 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 56 transitions. [2022-12-15 00:41:50,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-15 00:41:50,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:41:50,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:41:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:41:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-15 00:41:50,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:41:50,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 55 transitions. [2022-12-15 00:41:50,343 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 55 transitions. [2022-12-15 00:41:50,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-15 00:41:50,344 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 00:41:50,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 00:41:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 00:41:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 00:41:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 00:41:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 38 states and 49 transitions. [2022-12-15 00:41:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2022-12-15 00:41:50,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-15 00:41:50,949 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-12-15 00:41:50,957 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-12-15 00:41:51,015 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-15 00:41:51,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 15.12 12:41:51 ImpRootNode [2022-12-15 00:41:51,019 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-15 00:41:51,019 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-15 00:41:51,019 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-15 00:41:51,019 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-15 00:41:51,020 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 12:41:48" (3/4) ... [2022-12-15 00:41:51,022 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-15 00:41:51,026 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-15 00:41:51,026 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-15 00:41:51,026 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-12-15 00:41:51,029 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-12-15 00:41:51,029 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-12-15 00:41:51,029 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-12-15 00:41:51,029 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-15 00:41:51,059 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1562f30-03c1-4065-af7f-e1b8a11cc233/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-15 00:41:51,059 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-15 00:41:51,060 INFO L158 Benchmark]: Toolchain (without parser) took 3691.77ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 100.3MB in the beginning and 70.4MB in the end (delta: 29.9MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2022-12-15 00:41:51,060 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-15 00:41:51,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 867.35ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 100.3MB in the beginning and 117.6MB in the end (delta: -17.3MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. [2022-12-15 00:41:51,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.75ms. Allocated memory is still 167.8MB. Free memory was 117.6MB in the beginning and 114.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 00:41:51,061 INFO L158 Benchmark]: Boogie Preprocessor took 19.75ms. Allocated memory is still 167.8MB. Free memory was 114.3MB in the beginning and 112.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-15 00:41:51,061 INFO L158 Benchmark]: RCFGBuilder took 380.87ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 92.4MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-15 00:41:51,062 INFO L158 Benchmark]: CodeCheck took 2338.16ms. Allocated memory is still 167.8MB. Free memory was 92.4MB in the beginning and 73.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2022-12-15 00:41:51,062 INFO L158 Benchmark]: Witness Printer took 40.18ms. Allocated memory is still 167.8MB. Free memory was 73.6MB in the beginning and 70.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-15 00:41:51,063 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 4 procedures, 34 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 357 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 244 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 90 mSDsCounter, 161 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 523 IncrementalHoareTripleChecker+Invalid, 684 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 161 mSolverCounterUnsat, 154 mSDtfsCounter, 523 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1025 GetRequests, 959 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1033 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 117 ConstructedInterpolants, 0 QuantifiedInterpolants, 243 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 13/13 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: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1576]: 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 138.4MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 867.35ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 100.3MB in the beginning and 117.6MB in the end (delta: -17.3MB). Peak memory consumption was 58.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.75ms. Allocated memory is still 167.8MB. Free memory was 117.6MB in the beginning and 114.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.75ms. Allocated memory is still 167.8MB. Free memory was 114.3MB in the beginning and 112.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.87ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 92.4MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2338.16ms. Allocated memory is still 167.8MB. Free memory was 92.4MB in the beginning and 73.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * Witness Printer took 40.18ms. Allocated memory is still 167.8MB. Free memory was 73.6MB in the beginning and 70.4MB 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! [2022-12-15 00:41:51,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1562f30-03c1-4065-af7f-e1b8a11cc233/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