./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_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_10c079c6-5e23-48fa-8652-513a1a37e650/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c079c6-5e23-48fa-8652-513a1a37e650/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_10c079c6-5e23-48fa-8652-513a1a37e650/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c079c6-5e23-48fa-8652-513a1a37e650/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c079c6-5e23-48fa-8652-513a1a37e650/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_10c079c6-5e23-48fa-8652-513a1a37e650/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 a7615ed2f65e4c385975d9043679e37e58603513be19d3d7550d6795d1e37ab6 --- 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 17:09:53,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:09:53,925 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:09:53,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:09:53,980 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:09:53,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:09:53,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:09:53,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:09:53,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:09:53,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:09:53,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:09:53,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:09:53,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:09:54,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:09:54,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:09:54,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:09:54,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:09:54,008 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:09:54,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:09:54,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:09:54,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:09:54,021 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:09:54,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:09:54,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:09:54,034 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:09:54,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:09:54,035 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:09:54,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:09:54,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:09:54,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:09:54,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:09:54,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:09:54,042 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:09:54,044 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:09:54,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:09:54,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:09:54,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:09:54,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:09:54,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:09:54,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:09:54,049 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:09:54,050 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c079c6-5e23-48fa-8652-513a1a37e650/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:09:54,091 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:09:54,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:09:54,092 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:09:54,092 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:09:54,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:09:54,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:09:54,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:09:54,094 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:09:54,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:09:54,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:09:54,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:09:54,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:09:54,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:09:54,096 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:09:54,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:09:54,096 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:09:54,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:09:54,096 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:09:54,097 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:09:54,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:09:54,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:09:54,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:09:54,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:09:54,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:09:54,098 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:09:54,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:09:54,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:09:54,098 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_10c079c6-5e23-48fa-8652-513a1a37e650/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c079c6-5e23-48fa-8652-513a1a37e650/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7615ed2f65e4c385975d9043679e37e58603513be19d3d7550d6795d1e37ab6 [2022-11-20 17:09:54,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:09:54,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:09:54,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:09:54,484 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:09:54,485 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:09:54,486 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c079c6-5e23-48fa-8652-513a1a37e650/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_good.i [2022-11-20 17:09:57,484 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:09:57,850 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:09:57,852 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c079c6-5e23-48fa-8652-513a1a37e650/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_03_good.i [2022-11-20 17:09:57,883 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c079c6-5e23-48fa-8652-513a1a37e650/bin/ukojak-pZX7IvK2PQ/data/0013fa17d/789a259ebb574f98968d8852517e1d95/FLAGd897c6599 [2022-11-20 17:09:57,899 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c079c6-5e23-48fa-8652-513a1a37e650/bin/ukojak-pZX7IvK2PQ/data/0013fa17d/789a259ebb574f98968d8852517e1d95 [2022-11-20 17:09:57,902 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:09:57,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:09:57,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:09:57,908 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:09:57,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:09:57,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:57" (1/1) ... [2022-11-20 17:09:57,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38042ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:57, skipping insertion in model container [2022-11-20 17:09:57,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:09:57" (1/1) ... [2022-11-20 17:09:57,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:09:57,995 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:09:58,435 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:09:58,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:09:59,003 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:09:59,030 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:09:59,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:09:59,253 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:09:59,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:59 WrapperNode [2022-11-20 17:09:59,255 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:09:59,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:09:59,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:09:59,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:09:59,265 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:59" (1/1) ... [2022-11-20 17:09:59,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:59" (1/1) ... [2022-11-20 17:09:59,356 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2022-11-20 17:09:59,363 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:09:59,364 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:09:59,364 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:09:59,364 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:09:59,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:59" (1/1) ... [2022-11-20 17:09:59,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:59" (1/1) ... [2022-11-20 17:09:59,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:59" (1/1) ... [2022-11-20 17:09:59,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:59" (1/1) ... [2022-11-20 17:09:59,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:59" (1/1) ... [2022-11-20 17:09:59,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:59" (1/1) ... [2022-11-20 17:09:59,412 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:59" (1/1) ... [2022-11-20 17:09:59,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:59" (1/1) ... [2022-11-20 17:09:59,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:09:59,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:09:59,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:09:59,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:09:59,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:09:59" (1/1) ... [2022-11-20 17:09:59,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:09:59,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c079c6-5e23-48fa-8652-513a1a37e650/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:09:59,479 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c079c6-5e23-48fa-8652-513a1a37e650/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:09:59,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c079c6-5e23-48fa-8652-513a1a37e650/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:09:59,522 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:09:59,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:09:59,523 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:09:59,524 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:09:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:09:59,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:09:59,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:09:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:09:59,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:09:59,701 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:09:59,703 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:09:59,998 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:10:00,227 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:10:00,227 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 17:10:00,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:10:00 BoogieIcfgContainer [2022-11-20 17:10:00,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:10:00,231 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:10:00,231 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:10:00,244 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:10:00,245 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:10:00" (1/1) ... [2022-11-20 17:10:00,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:10:00,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:00,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 44 states and 58 transitions. [2022-11-20 17:10:00,331 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2022-11-20 17:10:00,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 17:10:00,337 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:00,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:00,787 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 17:10:00,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:00,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 54 transitions. [2022-11-20 17:10:00,826 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 54 transitions. [2022-11-20 17:10:00,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:10:00,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:00,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:01,027 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 17:10:01,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:01,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 53 transitions. [2022-11-20 17:10:01,100 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 53 transitions. [2022-11-20 17:10:01,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 17:10:01,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:01,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:01,205 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 17:10:01,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:01,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 51 transitions. [2022-11-20 17:10:01,241 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2022-11-20 17:10:01,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 17:10:01,243 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:01,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:01,540 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 17:10:01,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 50 transitions. [2022-11-20 17:10:01,657 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2022-11-20 17:10:01,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-20 17:10:01,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:01,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:01,818 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 17:10:01,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:01,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 45 transitions. [2022-11-20 17:10:01,885 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2022-11-20 17:10:01,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-20 17:10:01,887 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:01,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:02,008 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 17:10:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:02,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 36 states and 44 transitions. [2022-11-20 17:10:02,029 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-11-20 17:10:02,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-20 17:10:02,030 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:02,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:02,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:02,204 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 17:10:02,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:02,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 42 transitions. [2022-11-20 17:10:02,276 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-20 17:10:02,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-20 17:10:02,278 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:10:02,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:10:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:10:02,386 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 17:10:02,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:10:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 41 transitions. [2022-11-20 17:10:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-11-20 17:10:02,407 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:10:02,407 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-20 17:10:02,418 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:10:02,464 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:10:02,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:10:02 ImpRootNode [2022-11-20 17:10:02,470 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:10:02,471 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:10:02,471 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:10:02,471 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:10:02,472 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:10:00" (3/4) ... [2022-11-20 17:10:02,481 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:10:02,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:10:02,495 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:10:02,503 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-20 17:10:02,503 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-20 17:10:02,504 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:10:02,505 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:10:02,584 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c079c6-5e23-48fa-8652-513a1a37e650/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:10:02,585 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:10:02,586 INFO L158 Benchmark]: Toolchain (without parser) took 4681.91ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 150.5MB in the beginning and 85.3MB in the end (delta: 65.3MB). Peak memory consumption was 102.7MB. Max. memory is 16.1GB. [2022-11-20 17:10:02,586 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:10:02,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1347.09ms. Allocated memory is still 186.6MB. Free memory was 149.9MB in the beginning and 106.8MB in the end (delta: 43.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-20 17:10:02,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.96ms. Allocated memory is still 186.6MB. Free memory was 106.8MB in the beginning and 102.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:10:02,587 INFO L158 Benchmark]: Boogie Preprocessor took 52.66ms. Allocated memory is still 186.6MB. Free memory was 102.6MB in the beginning and 101.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:10:02,588 INFO L158 Benchmark]: RCFGBuilder took 813.29ms. Allocated memory is still 186.6MB. Free memory was 101.2MB in the beginning and 147.0MB in the end (delta: -45.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2022-11-20 17:10:02,588 INFO L158 Benchmark]: CodeCheck took 2239.18ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 147.0MB in the beginning and 89.4MB in the end (delta: 57.7MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. [2022-11-20 17:10:02,588 INFO L158 Benchmark]: Witness Printer took 114.67ms. Allocated memory is still 224.4MB. Free memory was 89.4MB in the beginning and 85.3MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:10:02,590 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, 44 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 401 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 46 mSDsluCounter, 198 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 22 mSDsCounter, 135 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 295 IncrementalHoareTripleChecker+Invalid, 430 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 135 mSolverCounterUnsat, 176 mSDtfsCounter, 295 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 935 GetRequests, 911 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 136 NumberOfCodeBlocks, 136 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 128 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1347.09ms. Allocated memory is still 186.6MB. Free memory was 149.9MB in the beginning and 106.8MB in the end (delta: 43.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.96ms. Allocated memory is still 186.6MB. Free memory was 106.8MB in the beginning and 102.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.66ms. Allocated memory is still 186.6MB. Free memory was 102.6MB in the beginning and 101.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 813.29ms. Allocated memory is still 186.6MB. Free memory was 101.2MB in the beginning and 147.0MB in the end (delta: -45.8MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. * CodeCheck took 2239.18ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 147.0MB in the beginning and 89.4MB in the end (delta: 57.7MB). Peak memory consumption was 95.3MB. Max. memory is 16.1GB. * Witness Printer took 114.67ms. Allocated memory is still 224.4MB. Free memory was 89.4MB in the beginning and 85.3MB 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! [2022-11-20 17:10:02,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10c079c6-5e23-48fa-8652-513a1a37e650/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