./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg --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 030b8d8e194f6eb7499a07ffd8c6a7cc29bfb6f7abaeaa6702dbb51e0310402d --- 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-b5237d8 [2022-11-21 23:52:10,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 23:52:10,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 23:52:10,360 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 23:52:10,361 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 23:52:10,365 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 23:52:10,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 23:52:10,371 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 23:52:10,373 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 23:52:10,379 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 23:52:10,380 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 23:52:10,383 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 23:52:10,384 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 23:52:10,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 23:52:10,388 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 23:52:10,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 23:52:10,394 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 23:52:10,395 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 23:52:10,397 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 23:52:10,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 23:52:10,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 23:52:10,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 23:52:10,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 23:52:10,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 23:52:10,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 23:52:10,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 23:52:10,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 23:52:10,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 23:52:10,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 23:52:10,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 23:52:10,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 23:52:10,427 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 23:52:10,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 23:52:10,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 23:52:10,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 23:52:10,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 23:52:10,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 23:52:10,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 23:52:10,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 23:52:10,447 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 23:52:10,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 23:52:10,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 23:52:10,494 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 23:52:10,497 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 23:52:10,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 23:52:10,499 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 23:52:10,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 23:52:10,500 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 23:52:10,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 23:52:10,500 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 23:52:10,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 23:52:10,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 23:52:10,502 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 23:52:10,502 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 23:52:10,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 23:52:10,502 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 23:52:10,503 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 23:52:10,503 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 23:52:10,503 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 23:52:10,503 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 23:52:10,504 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 23:52:10,504 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 23:52:10,504 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:52:10,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 23:52:10,504 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 23:52:10,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 23:52:10,505 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 23:52:10,505 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 23:52:10,505 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 23:52:10,505 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_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 030b8d8e194f6eb7499a07ffd8c6a7cc29bfb6f7abaeaa6702dbb51e0310402d [2022-11-21 23:52:10,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 23:52:10,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 23:52:10,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 23:52:10,858 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 23:52:10,858 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 23:52:10,860 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_good.i [2022-11-21 23:52:14,018 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 23:52:14,442 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 23:52:14,442 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_postdec_21_good.i [2022-11-21 23:52:14,460 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg/data/c61717ffd/1e84287ddb8b4fc497e83dd7963ed66b/FLAG3c0f2b636 [2022-11-21 23:52:14,481 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg/data/c61717ffd/1e84287ddb8b4fc497e83dd7963ed66b [2022-11-21 23:52:14,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 23:52:14,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 23:52:14,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 23:52:14,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 23:52:14,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 23:52:14,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:52:14" (1/1) ... [2022-11-21 23:52:14,492 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24fd4e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:14, skipping insertion in model container [2022-11-21 23:52:14,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:52:14" (1/1) ... [2022-11-21 23:52:14,504 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 23:52:14,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 23:52:14,949 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:52:15,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:52:15,557 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 23:52:15,587 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 23:52:15,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 23:52:15,909 INFO L208 MainTranslator]: Completed translation [2022-11-21 23:52:15,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:15 WrapperNode [2022-11-21 23:52:15,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 23:52:15,912 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 23:52:15,912 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 23:52:15,912 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 23:52:15,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:15" (1/1) ... [2022-11-21 23:52:15,972 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:15" (1/1) ... [2022-11-21 23:52:16,006 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 119 [2022-11-21 23:52:16,007 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 23:52:16,007 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 23:52:16,008 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 23:52:16,008 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 23:52:16,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:15" (1/1) ... [2022-11-21 23:52:16,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:15" (1/1) ... [2022-11-21 23:52:16,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:15" (1/1) ... [2022-11-21 23:52:16,041 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:15" (1/1) ... [2022-11-21 23:52:16,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:15" (1/1) ... [2022-11-21 23:52:16,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:15" (1/1) ... [2022-11-21 23:52:16,064 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:15" (1/1) ... [2022-11-21 23:52:16,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:15" (1/1) ... [2022-11-21 23:52:16,069 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 23:52:16,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 23:52:16,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 23:52:16,086 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 23:52:16,087 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:52:15" (1/1) ... [2022-11-21 23:52:16,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 23:52:16,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg/z3 [2022-11-21 23:52:16,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 23:52:16,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 23:52:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 23:52:16,152 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 23:52:16,152 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 23:52:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 23:52:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 23:52:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 23:52:16,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 23:52:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 23:52:16,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 23:52:16,398 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 23:52:16,400 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 23:52:16,711 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 23:52:16,854 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 23:52:16,858 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 23:52:16,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:52:16 BoogieIcfgContainer [2022-11-21 23:52:16,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 23:52:16,862 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 23:52:16,863 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 23:52:16,874 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 23:52:16,874 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:52:16" (1/1) ... [2022-11-21 23:52:16,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 23:52:16,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:52:16,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-11-21 23:52:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-11-21 23:52:16,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 23:52:16,954 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:52:16,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:52:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:52:17,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:52:17,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:52:17,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 45 transitions. [2022-11-21 23:52:17,638 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2022-11-21 23:52:17,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 23:52:17,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:52:17,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:52:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:52:17,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 23:52:17,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:52:17,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 34 states and 44 transitions. [2022-11-21 23:52:17,785 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 44 transitions. [2022-11-21 23:52:17,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-21 23:52:17,786 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:52:17,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:52:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:52:17,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:52:17,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:52:17,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 41 transitions. [2022-11-21 23:52:17,981 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2022-11-21 23:52:17,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 23:52:17,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:52:17,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:52:18,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:52:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:52:18,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:52:18,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 40 transitions. [2022-11-21 23:52:18,339 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2022-11-21 23:52:18,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:52:18,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:52:18,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:52:18,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:52:18,432 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:52:18,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:52:18,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 39 transitions. [2022-11-21 23:52:18,545 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-11-21 23:52:18,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 23:52:18,547 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:52:18,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:52:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:52:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 23:52:18,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:52:18,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 38 transitions. [2022-11-21 23:52:18,837 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2022-11-21 23:52:18,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 23:52:18,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:52:18,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:52:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:52:18,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:52:19,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:52:19,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 37 transitions. [2022-11-21 23:52:19,104 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-11-21 23:52:19,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-21 23:52:19,105 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 23:52:19,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 23:52:19,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 23:52:19,291 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-21 23:52:19,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 23:52:19,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 36 transitions. [2022-11-21 23:52:19,525 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-11-21 23:52:19,525 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 23:52:19,525 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-21 23:52:19,533 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-21 23:52:19,582 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 23:52:19,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 11:52:19 ImpRootNode [2022-11-21 23:52:19,587 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 23:52:19,588 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 23:52:19,588 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 23:52:19,588 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 23:52:19,589 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:52:16" (3/4) ... [2022-11-21 23:52:19,592 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 23:52:19,598 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 23:52:19,598 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 23:52:19,604 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-21 23:52:19,604 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-21 23:52:19,605 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 23:52:19,605 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 23:52:19,654 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 23:52:19,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 23:52:19,655 INFO L158 Benchmark]: Toolchain (without parser) took 5170.07ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 121.7MB in the beginning and 137.8MB in the end (delta: -16.1MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2022-11-21 23:52:19,655 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:52:19,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1424.68ms. Allocated memory is still 153.1MB. Free memory was 121.1MB in the beginning and 104.4MB in the end (delta: 16.7MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-21 23:52:19,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.19ms. Allocated memory is still 153.1MB. Free memory was 104.4MB in the beginning and 100.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:52:19,656 INFO L158 Benchmark]: Boogie Preprocessor took 77.07ms. Allocated memory is still 153.1MB. Free memory was 100.2MB in the beginning and 99.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:52:19,657 INFO L158 Benchmark]: RCFGBuilder took 776.58ms. Allocated memory is still 153.1MB. Free memory was 99.0MB in the beginning and 72.9MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-21 23:52:19,657 INFO L158 Benchmark]: CodeCheck took 2725.19ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 72.9MB in the beginning and 141.9MB in the end (delta: -69.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 23:52:19,658 INFO L158 Benchmark]: Witness Printer took 66.11ms. Allocated memory is still 184.5MB. Free memory was 141.9MB in the beginning and 137.8MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 23:52:19,660 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: 2.6s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 369 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 226 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 133 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 294 IncrementalHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 133 mSolverCounterUnsat, 200 mSDtfsCounter, 294 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 784 GetRequests, 744 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 157 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: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: 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: 1633]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 117.4MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1424.68ms. Allocated memory is still 153.1MB. Free memory was 121.1MB in the beginning and 104.4MB in the end (delta: 16.7MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.19ms. Allocated memory is still 153.1MB. Free memory was 104.4MB in the beginning and 100.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.07ms. Allocated memory is still 153.1MB. Free memory was 100.2MB in the beginning and 99.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 776.58ms. Allocated memory is still 153.1MB. Free memory was 99.0MB in the beginning and 72.9MB in the end (delta: 26.1MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 2725.19ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 72.9MB in the beginning and 141.9MB in the end (delta: -69.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 66.11ms. Allocated memory is still 184.5MB. Free memory was 141.9MB in the beginning and 137.8MB 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! [2022-11-21 23:52:19,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1a4c36f-bde6-4e9e-ba2f-0536f14b29b8/bin/ukojak-jW3SillKbg/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