./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_02_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_58fb787d-1663-4731-a049-15019bb2dd1f/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fb787d-1663-4731-a049-15019bb2dd1f/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_58fb787d-1663-4731-a049-15019bb2dd1f/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fb787d-1663-4731-a049-15019bb2dd1f/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fb787d-1663-4731-a049-15019bb2dd1f/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_58fb787d-1663-4731-a049-15019bb2dd1f/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 72353f203ca89867a2cd226038987ddc05e8f94d22ccb21a54ee485a7f7695ab --- 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 17:29:20,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 17:29:20,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 17:29:21,014 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 17:29:21,014 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 17:29:21,019 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 17:29:21,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 17:29:21,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 17:29:21,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 17:29:21,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 17:29:21,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 17:29:21,030 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 17:29:21,030 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 17:29:21,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 17:29:21,033 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 17:29:21,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 17:29:21,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 17:29:21,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 17:29:21,044 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 17:29:21,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 17:29:21,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 17:29:21,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 17:29:21,062 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 17:29:21,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 17:29:21,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 17:29:21,066 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 17:29:21,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 17:29:21,067 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 17:29:21,068 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 17:29:21,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 17:29:21,069 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 17:29:21,070 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 17:29:21,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 17:29:21,071 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 17:29:21,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 17:29:21,073 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 17:29:21,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 17:29:21,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 17:29:21,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 17:29:21,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 17:29:21,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 17:29:21,083 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fb787d-1663-4731-a049-15019bb2dd1f/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 17:29:21,114 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 17:29:21,114 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 17:29:21,115 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 17:29:21,115 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 17:29:21,116 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 17:29:21,116 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 17:29:21,116 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 17:29:21,116 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 17:29:21,117 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 17:29:21,117 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 17:29:21,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 17:29:21,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 17:29:21,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 17:29:21,118 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 17:29:21,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 17:29:21,118 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 17:29:21,118 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 17:29:21,118 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 17:29:21,119 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 17:29:21,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 17:29:21,119 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:29:21,119 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 17:29:21,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 17:29:21,120 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 17:29:21,120 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 17:29:21,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 17:29:21,120 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 17:29:21,121 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_58fb787d-1663-4731-a049-15019bb2dd1f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fb787d-1663-4731-a049-15019bb2dd1f/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72353f203ca89867a2cd226038987ddc05e8f94d22ccb21a54ee485a7f7695ab [2022-11-20 17:29:21,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 17:29:21,445 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 17:29:21,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 17:29:21,449 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 17:29:21,450 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 17:29:21,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fb787d-1663-4731-a049-15019bb2dd1f/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_02_good.i [2022-11-20 17:29:24,509 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 17:29:24,888 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 17:29:24,889 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fb787d-1663-4731-a049-15019bb2dd1f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_02_good.i [2022-11-20 17:29:24,913 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fb787d-1663-4731-a049-15019bb2dd1f/bin/ukojak-pZX7IvK2PQ/data/cbfb94bd5/184bb6867d344db8abd9b54e250f096c/FLAGf92b66ea5 [2022-11-20 17:29:24,933 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fb787d-1663-4731-a049-15019bb2dd1f/bin/ukojak-pZX7IvK2PQ/data/cbfb94bd5/184bb6867d344db8abd9b54e250f096c [2022-11-20 17:29:24,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 17:29:24,938 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 17:29:24,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 17:29:24,939 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 17:29:24,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 17:29:24,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:29:24" (1/1) ... [2022-11-20 17:29:24,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2c7c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:24, skipping insertion in model container [2022-11-20 17:29:24,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:29:24" (1/1) ... [2022-11-20 17:29:24,953 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 17:29:25,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 17:29:25,429 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:29:25,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:29:25,980 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 17:29:26,002 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 17:29:26,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 17:29:26,345 INFO L208 MainTranslator]: Completed translation [2022-11-20 17:29:26,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:26 WrapperNode [2022-11-20 17:29:26,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 17:29:26,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 17:29:26,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 17:29:26,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 17:29:26,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:26" (1/1) ... [2022-11-20 17:29:26,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:26" (1/1) ... [2022-11-20 17:29:26,414 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 81 [2022-11-20 17:29:26,414 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 17:29:26,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 17:29:26,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 17:29:26,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 17:29:26,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:26" (1/1) ... [2022-11-20 17:29:26,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:26" (1/1) ... [2022-11-20 17:29:26,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:26" (1/1) ... [2022-11-20 17:29:26,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:26" (1/1) ... [2022-11-20 17:29:26,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:26" (1/1) ... [2022-11-20 17:29:26,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:26" (1/1) ... [2022-11-20 17:29:26,441 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:26" (1/1) ... [2022-11-20 17:29:26,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:26" (1/1) ... [2022-11-20 17:29:26,445 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 17:29:26,446 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 17:29:26,446 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 17:29:26,446 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 17:29:26,447 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:29:26" (1/1) ... [2022-11-20 17:29:26,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 17:29:26,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fb787d-1663-4731-a049-15019bb2dd1f/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 17:29:26,481 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fb787d-1663-4731-a049-15019bb2dd1f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 17:29:26,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fb787d-1663-4731-a049-15019bb2dd1f/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 17:29:26,530 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 17:29:26,530 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 17:29:26,531 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 17:29:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 17:29:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 17:29:26,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 17:29:26,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 17:29:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 17:29:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 17:29:26,725 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 17:29:26,727 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 17:29:26,904 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 17:29:26,954 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 17:29:26,955 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 17:29:26,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:29:26 BoogieIcfgContainer [2022-11-20 17:29:26,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 17:29:26,958 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 17:29:26,958 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 17:29:26,978 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 17:29:26,979 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:29:26" (1/1) ... [2022-11-20 17:29:26,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 17:29:27,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:27,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 46 states and 61 transitions. [2022-11-20 17:29:27,069 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 61 transitions. [2022-11-20 17:29:27,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 17:29:27,074 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:27,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:27,393 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 17:29:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:27,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 40 states and 50 transitions. [2022-11-20 17:29:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-11-20 17:29:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 17:29:27,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:27,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:27,552 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 17:29:27,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:27,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 42 transitions. [2022-11-20 17:29:27,584 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-20 17:29:27,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 17:29:27,585 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:27,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:27,712 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 17:29:27,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:27,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 33 states and 37 transitions. [2022-11-20 17:29:27,745 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-11-20 17:29:27,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 17:29:27,745 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:27,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:27,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:27,866 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 17:29:27,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:27,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 36 transitions. [2022-11-20 17:29:27,895 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-11-20 17:29:27,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 17:29:27,896 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:27,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:27,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:27,964 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 17:29:27,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 34 transitions. [2022-11-20 17:29:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-11-20 17:29:28,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-20 17:29:28,001 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 17:29:28,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 17:29:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 17:29:28,053 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 17:29:28,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 17:29:28,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 33 transitions. [2022-11-20 17:29:28,082 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-11-20 17:29:28,082 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 17:29:28,083 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2022-11-20 17:29:28,092 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 17:29:28,153 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 17:29:28,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 05:29:28 ImpRootNode [2022-11-20 17:29:28,158 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 17:29:28,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 17:29:28,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 17:29:28,159 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 17:29:28,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:29:26" (3/4) ... [2022-11-20 17:29:28,163 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 17:29:28,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 17:29:28,168 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 17:29:28,172 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-20 17:29:28,173 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 17:29:28,173 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 17:29:28,173 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 17:29:28,243 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fb787d-1663-4731-a049-15019bb2dd1f/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 17:29:28,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 17:29:28,248 INFO L158 Benchmark]: Toolchain (without parser) took 3310.10ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 100.3MB in the beginning and 129.9MB in the end (delta: -29.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-11-20 17:29:28,248 INFO L158 Benchmark]: CDTParser took 1.46ms. Allocated memory is still 148.9MB. Free memory was 117.4MB in the beginning and 117.4MB in the end (delta: 77.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:29:28,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1406.88ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 100.3MB in the beginning and 143.9MB in the end (delta: -43.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-20 17:29:28,249 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.56ms. Allocated memory is still 192.9MB. Free memory was 143.9MB in the beginning and 140.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:29:28,256 INFO L158 Benchmark]: Boogie Preprocessor took 30.20ms. Allocated memory is still 192.9MB. Free memory was 140.7MB in the beginning and 139.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:29:28,257 INFO L158 Benchmark]: RCFGBuilder took 511.81ms. Allocated memory is still 192.9MB. Free memory was 139.7MB in the beginning and 122.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 17:29:28,257 INFO L158 Benchmark]: CodeCheck took 1200.04ms. Allocated memory is still 192.9MB. Free memory was 122.8MB in the beginning and 133.1MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 17:29:28,257 INFO L158 Benchmark]: Witness Printer took 88.26ms. Allocated memory is still 192.9MB. Free memory was 133.1MB in the beginning and 129.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 17:29:28,259 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, 46 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 354 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 155 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 135 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 842 GetRequests, 834 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 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, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 148 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 26/26 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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: 1650]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.46ms. Allocated memory is still 148.9MB. Free memory was 117.4MB in the beginning and 117.4MB in the end (delta: 77.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1406.88ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 100.3MB in the beginning and 143.9MB in the end (delta: -43.6MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.56ms. Allocated memory is still 192.9MB. Free memory was 143.9MB in the beginning and 140.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.20ms. Allocated memory is still 192.9MB. Free memory was 140.7MB in the beginning and 139.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 511.81ms. Allocated memory is still 192.9MB. Free memory was 139.7MB in the beginning and 122.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1200.04ms. Allocated memory is still 192.9MB. Free memory was 122.8MB in the beginning and 133.1MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 88.26ms. Allocated memory is still 192.9MB. Free memory was 133.1MB in the beginning and 129.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 17:29:28,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fb787d-1663-4731-a049-15019bb2dd1f/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