./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_42_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_42_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ --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 b4d47032685e11def2ecff10b60e17bbf3593775eb54e59c76d9d3fba492e3cf --- 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-6b4ec56 [2022-11-20 17:37:52,294 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:37:52,297 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:37:52,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:37:52,318 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:37:52,319 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:37:52,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:37:52,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:37:52,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:37:52,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:37:52,327 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:37:52,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:37:52,329 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:37:52,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:37:52,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:37:52,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:37:52,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:37:52,336 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:37:52,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:37:52,340 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:37:52,342 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:37:52,343 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:37:52,344 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:37:52,346 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:37:52,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:37:52,350 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:37:52,350 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:37:52,351 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:37:52,352 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:37:52,353 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:37:52,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:37:52,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:37:52,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:37:52,357 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:37:52,359 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:37:52,359 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:37:52,360 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:37:52,361 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:37:52,361 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:37:52,362 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:37:52,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:37:52,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:37:52,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:37:52,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:37:52,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:37:52,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:37:52,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:37:52,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:37:52,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:37:52,391 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:37:52,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:37:52,392 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:37:52,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:37:52,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:37:52,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:37:52,393 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:37:52,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:37:52,394 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:37:52,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:37:52,395 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:37:52,395 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:37:52,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:37:52,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:37:52,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:37:52,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:37:52,397 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:37:52,397 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:37:52,398 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:37:52,398 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:37:52,398 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_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4d47032685e11def2ecff10b60e17bbf3593775eb54e59c76d9d3fba492e3cf [2022-11-20 17:37:52,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:37:52,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:37:52,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:37:52,676 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:37:52,676 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:37:52,678 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_42_good.i [2022-11-20 17:37:55,705 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:37:56,098 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:37:56,100 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_42_good.i [2022-11-20 17:37:56,130 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ/data/55bbabf43/0ba11f1865ef485c86746ea1757e7958/FLAG0e61b83ad [2022-11-20 17:37:56,150 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ/data/55bbabf43/0ba11f1865ef485c86746ea1757e7958 [2022-11-20 17:37:56,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:37:56,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:37:56,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:37:56,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:37:56,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:37:56,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:37:56" (1/1) ... [2022-11-20 17:37:56,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@630137c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:56, skipping insertion in model container [2022-11-20 17:37:56,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:37:56" (1/1) ... [2022-11-20 17:37:56,179 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:37:56,244 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:37:56,658 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:37:57,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:37:57,384 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:37:57,415 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:37:57,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:37:57,678 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:37:57,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:57 WrapperNode [2022-11-20 17:37:57,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:37:57,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:37:57,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:37:57,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:37:57,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:57" (1/1) ... [2022-11-20 17:37:57,727 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:57" (1/1) ... [2022-11-20 17:37:57,770 INFO L138 Inliner]: procedures = 503, calls = 61, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 62 [2022-11-20 17:37:57,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:37:57,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:37:57,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:37:57,772 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:37:57,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:57" (1/1) ... [2022-11-20 17:37:57,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:57" (1/1) ... [2022-11-20 17:37:57,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:57" (1/1) ... [2022-11-20 17:37:57,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:57" (1/1) ... [2022-11-20 17:37:57,806 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:57" (1/1) ... [2022-11-20 17:37:57,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:57" (1/1) ... [2022-11-20 17:37:57,820 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:57" (1/1) ... [2022-11-20 17:37:57,821 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:57" (1/1) ... [2022-11-20 17:37:57,823 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:37:57,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:37:57,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:37:57,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:37:57,825 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:37:57" (1/1) ... [2022-11-20 17:37:57,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:37:57,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:37:57,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:37:57,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:37:57,923 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:37:57,924 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:37:57,924 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:37:57,925 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:37:57,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:37:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:37:57,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:37:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:37:57,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:37:58,123 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:37:58,125 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:37:58,294 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:37:58,352 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:37:58,352 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 17:37:58,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:37:58 BoogieIcfgContainer [2022-11-20 17:37:58,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:37:58,364 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:37:58,365 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:37:58,376 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:37:58,381 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:37:58" (1/1) ... [2022-11-20 17:37:58,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:37:58,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:58,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-20 17:37:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-20 17:37:58,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:37:58,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:58,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:58,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:58,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-20 17:37:58,931 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-20 17:37:58,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:37:58,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:58,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:59,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:59,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:59,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2022-11-20 17:37:59,128 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-20 17:37:59,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:37:59,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:59,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:59,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:59,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 17:37:59,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:59,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2022-11-20 17:37:59,309 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-20 17:37:59,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:37:59,309 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:59,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:59,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:59,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:37:59,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:59,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 22 transitions. [2022-11-20 17:37:59,424 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2022-11-20 17:37:59,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:37:59,425 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:37:59,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:37:59,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:37:59,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 17:37:59,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:37:59,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 21 transitions. [2022-11-20 17:37:59,589 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2022-11-20 17:37:59,590 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:37:59,590 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-11-20 17:37:59,599 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 17:37:59,626 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:37:59,631 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:37:59,631 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:37:59,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:37:59 ImpRootNode [2022-11-20 17:37:59,633 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:37:59,637 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:37:59,637 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:37:59,637 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:37:59,638 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:37:58" (3/4) ... [2022-11-20 17:37:59,641 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:37:59,660 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:37:59,660 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:37:59,667 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 17:37:59,669 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 17:37:59,670 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 17:37:59,670 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:37:59,741 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:37:59,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:37:59,742 INFO L158 Benchmark]: Toolchain (without parser) took 3582.54ms. Allocated memory is still 169.9MB. Free memory was 121.1MB in the beginning and 102.8MB in the end (delta: 18.3MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2022-11-20 17:37:59,743 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:37:59,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1515.29ms. Allocated memory is still 169.9MB. Free memory was 121.1MB in the beginning and 114.9MB in the end (delta: 6.2MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. [2022-11-20 17:37:59,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.37ms. Allocated memory is still 169.9MB. Free memory was 114.9MB in the beginning and 111.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:37:59,744 INFO L158 Benchmark]: Boogie Preprocessor took 51.75ms. Allocated memory is still 169.9MB. Free memory was 111.8MB in the beginning and 110.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:37:59,744 INFO L158 Benchmark]: RCFGBuilder took 539.80ms. Allocated memory is still 169.9MB. Free memory was 110.7MB in the beginning and 96.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 17:37:59,745 INFO L158 Benchmark]: CodeCheck took 1269.08ms. Allocated memory is still 169.9MB. Free memory was 95.1MB in the beginning and 105.8MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:37:59,745 INFO L158 Benchmark]: Witness Printer took 104.88ms. Allocated memory is still 169.9MB. Free memory was 105.8MB in the beginning and 102.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 17:37:59,747 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, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 164 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 66 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 66 mSDtfsCounter, 117 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 345 GetRequests, 333 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 4/4 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: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1560]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1560]: 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: 1597]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1595]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1569]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1515.29ms. Allocated memory is still 169.9MB. Free memory was 121.1MB in the beginning and 114.9MB in the end (delta: 6.2MB). Peak memory consumption was 55.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.37ms. Allocated memory is still 169.9MB. Free memory was 114.9MB in the beginning and 111.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.75ms. Allocated memory is still 169.9MB. Free memory was 111.8MB in the beginning and 110.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 539.80ms. Allocated memory is still 169.9MB. Free memory was 110.7MB in the beginning and 96.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1269.08ms. Allocated memory is still 169.9MB. Free memory was 95.1MB in the beginning and 105.8MB in the end (delta: -10.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 104.88ms. Allocated memory is still 169.9MB. Free memory was 105.8MB in the beginning and 102.8MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:37:59,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_590cdc81-a98c-4085-b726-5cb1340227b4/bin/ukojak-pZX7IvK2PQ/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