./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_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_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/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_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/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_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/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 4f02616d206bf8428532d1d9ed1e630cd9411b3146be39f6d216548dff4d9035 --- 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 16:41:26,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:41:26,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:41:26,367 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:41:26,368 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:41:26,369 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:41:26,370 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:41:26,372 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:41:26,374 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:41:26,375 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:41:26,376 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:41:26,377 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:41:26,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:41:26,379 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:41:26,380 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:41:26,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:41:26,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:41:26,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:41:26,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:41:26,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:41:26,388 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:41:26,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:41:26,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:41:26,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:41:26,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:41:26,395 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:41:26,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:41:26,397 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:41:26,397 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:41:26,398 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:41:26,399 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:41:26,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:41:26,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:41:26,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:41:26,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:41:26,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:41:26,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:41:26,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:41:26,404 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:41:26,405 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:41:26,406 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:41:26,407 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:41:26,427 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:41:26,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:41:26,428 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:41:26,429 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:41:26,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:41:26,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:41:26,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:41:26,430 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:41:26,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:41:26,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:41:26,431 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:41:26,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:41:26,432 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:41:26,432 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:41:26,432 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:41:26,432 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:41:26,433 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:41:26,433 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:41:26,433 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:41:26,433 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:41:26,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:41:26,434 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:41:26,434 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:41:26,435 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:41:26,435 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:41:26,435 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:41:26,435 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:41:26,436 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_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f02616d206bf8428532d1d9ed1e630cd9411b3146be39f6d216548dff4d9035 [2022-11-20 16:41:26,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:41:26,682 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:41:26,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:41:26,686 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:41:26,689 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:41:26,690 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_good.i [2022-11-20 16:41:29,924 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:41:30,297 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:41:30,298 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_sub_22_good.i [2022-11-20 16:41:30,327 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/bin/ukojak-pZX7IvK2PQ/data/279d25ed5/4727b29123a749b0906b85daa7d6d5d1/FLAG6f062e427 [2022-11-20 16:41:30,339 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/bin/ukojak-pZX7IvK2PQ/data/279d25ed5/4727b29123a749b0906b85daa7d6d5d1 [2022-11-20 16:41:30,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:41:30,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:41:30,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:41:30,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:41:30,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:41:30,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:30" (1/1) ... [2022-11-20 16:41:30,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a884224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:30, skipping insertion in model container [2022-11-20 16:41:30,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:41:30" (1/1) ... [2022-11-20 16:41:30,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:41:30,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:41:30,839 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:41:31,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:41:31,591 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:41:31,611 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:41:31,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:41:31,874 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:41:31,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31 WrapperNode [2022-11-20 16:41:31,875 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:41:31,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:41:31,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:41:31,877 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:41:31,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,914 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,951 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 74 [2022-11-20 16:41:31,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:41:31,952 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:41:31,952 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:41:31,952 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:41:31,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,964 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,964 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,974 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:41:31,978 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:41:31,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:41:31,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:41:31,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:41:31" (1/1) ... [2022-11-20 16:41:31,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:41:31,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:41:32,012 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:41:32,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:41:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:41:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:41:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:41:32,071 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:41:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:41:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:41:32,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:41:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:41:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:41:32,215 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:41:32,217 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:41:32,431 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:41:32,478 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:41:32,485 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:41:32,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:32 BoogieIcfgContainer [2022-11-20 16:41:32,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:41:32,488 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:41:32,489 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:41:32,498 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:41:32,498 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:32" (1/1) ... [2022-11-20 16:41:32,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:41:32,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:32,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2022-11-20 16:41:32,562 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2022-11-20 16:41:32,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 16:41:32,565 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:32,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:32,869 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 16:41:32,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:32,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 39 transitions. [2022-11-20 16:41:32,916 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-11-20 16:41:32,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:41:32,917 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:32,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:33,047 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 16:41:33,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:33,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 36 transitions. [2022-11-20 16:41:33,147 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2022-11-20 16:41:33,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:41:33,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:33,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:33,261 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 16:41:33,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 25 states and 29 transitions. [2022-11-20 16:41:33,288 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-20 16:41:33,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 16:41:33,289 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:33,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:33,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:33,381 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 16:41:33,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:33,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 28 transitions. [2022-11-20 16:41:33,493 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-20 16:41:33,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 16:41:33,494 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:33,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:33,618 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:41:33,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:33,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 27 transitions. [2022-11-20 16:41:33,666 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-20 16:41:33,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 16:41:33,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:41:33,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:41:33,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:41:33,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-20 16:41:33,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:41:33,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 26 transitions. [2022-11-20 16:41:33,872 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-20 16:41:33,872 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:41:33,873 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-11-20 16:41:33,882 INFO L754 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2022-11-20 16:41:33,921 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:41:33,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:41:33 ImpRootNode [2022-11-20 16:41:33,927 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:41:33,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:41:33,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:41:33,928 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:41:33,929 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:41:32" (3/4) ... [2022-11-20 16:41:33,934 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:41:33,950 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:41:33,951 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:41:33,956 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-20 16:41:33,956 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 16:41:33,956 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 16:41:33,957 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:41:34,030 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:41:34,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:41:34,031 INFO L158 Benchmark]: Toolchain (without parser) took 3686.84ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 98.5MB in the beginning and 95.5MB in the end (delta: 3.1MB). Peak memory consumption was 34.5MB. Max. memory is 16.1GB. [2022-11-20 16:41:34,031 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:41:34,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1530.07ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 98.5MB in the beginning and 122.9MB in the end (delta: -24.4MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2022-11-20 16:41:34,033 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.48ms. Allocated memory is still 169.9MB. Free memory was 122.9MB in the beginning and 119.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 16:41:34,033 INFO L158 Benchmark]: Boogie Preprocessor took 25.72ms. Allocated memory is still 169.9MB. Free memory was 119.8MB in the beginning and 118.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:41:34,033 INFO L158 Benchmark]: RCFGBuilder took 509.29ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 103.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 16:41:34,034 INFO L158 Benchmark]: CodeCheck took 1438.64ms. Allocated memory is still 169.9MB. Free memory was 103.0MB in the beginning and 98.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-11-20 16:41:34,034 INFO L158 Benchmark]: Witness Printer took 102.09ms. Allocated memory is still 169.9MB. Free memory was 98.5MB in the beginning and 95.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:41:34,036 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 285 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 206 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 57 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 57 mSolverCounterUnsat, 178 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 593 GetRequests, 571 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 123 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 18/18 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: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1620]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1620]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: 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: 1589]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1530.07ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 98.5MB in the beginning and 122.9MB in the end (delta: -24.4MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.48ms. Allocated memory is still 169.9MB. Free memory was 122.9MB in the beginning and 119.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.72ms. Allocated memory is still 169.9MB. Free memory was 119.8MB in the beginning and 118.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 509.29ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 103.0MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1438.64ms. Allocated memory is still 169.9MB. Free memory was 103.0MB in the beginning and 98.5MB in the end (delta: 4.5MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Witness Printer took 102.09ms. Allocated memory is still 169.9MB. Free memory was 98.5MB in the beginning and 95.5MB 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 16:41:34,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_607e3a6e-0c85-4452-8d6f-7cb0a1ae58ad/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE