./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_716370d6-e753-44ff-ad48-a03f235f47d8/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_716370d6-e753-44ff-ad48-a03f235f47d8/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_716370d6-e753-44ff-ad48-a03f235f47d8/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_716370d6-e753-44ff-ad48-a03f235f47d8/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_716370d6-e753-44ff-ad48-a03f235f47d8/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_716370d6-e753-44ff-ad48-a03f235f47d8/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 9efe8f79840479319df7ef88c57d03bd32df2aef63f29138d9fdb134fbc1715c --- 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 18:04:03,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:04:03,982 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:04:04,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:04:04,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:04:04,030 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:04:04,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:04:04,037 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:04:04,039 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:04:04,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:04:04,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:04:04,048 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:04:04,048 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:04:04,049 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:04:04,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:04:04,052 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:04:04,053 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:04:04,054 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:04:04,055 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:04:04,065 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:04:04,067 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:04:04,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:04:04,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:04:04,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:04:04,083 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:04:04,083 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:04:04,084 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:04:04,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:04:04,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:04:04,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:04:04,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:04:04,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:04:04,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:04:04,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:04:04,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:04:04,094 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:04:04,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:04:04,095 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:04:04,095 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:04:04,097 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:04:04,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:04:04,100 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_716370d6-e753-44ff-ad48-a03f235f47d8/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:04:04,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:04:04,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:04:04,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:04:04,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:04:04,146 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:04:04,146 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:04:04,146 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:04:04,147 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:04:04,147 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:04:04,147 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:04:04,148 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:04:04,148 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:04:04,149 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:04:04,149 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:04:04,149 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:04:04,149 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:04:04,150 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:04:04,150 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:04:04,150 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:04:04,150 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:04:04,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:04:04,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:04:04,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:04:04,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:04:04,151 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:04:04,152 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:04:04,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:04:04,152 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_716370d6-e753-44ff-ad48-a03f235f47d8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_716370d6-e753-44ff-ad48-a03f235f47d8/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9efe8f79840479319df7ef88c57d03bd32df2aef63f29138d9fdb134fbc1715c [2022-11-20 18:04:04,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:04:04,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:04:04,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:04:04,445 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:04:04,446 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:04:04,448 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_716370d6-e753-44ff-ad48-a03f235f47d8/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_02_good.i [2022-11-20 18:04:07,578 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:04:08,023 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:04:08,027 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_716370d6-e753-44ff-ad48-a03f235f47d8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_02_good.i [2022-11-20 18:04:08,053 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_716370d6-e753-44ff-ad48-a03f235f47d8/bin/ukojak-pZX7IvK2PQ/data/e939a4bd2/5635f78aea2c47d0a314f2366ee3734e/FLAG4f69024c8 [2022-11-20 18:04:08,067 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_716370d6-e753-44ff-ad48-a03f235f47d8/bin/ukojak-pZX7IvK2PQ/data/e939a4bd2/5635f78aea2c47d0a314f2366ee3734e [2022-11-20 18:04:08,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:04:08,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:04:08,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:04:08,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:04:08,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:04:08,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:04:08" (1/1) ... [2022-11-20 18:04:08,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5461da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:08, skipping insertion in model container [2022-11-20 18:04:08,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:04:08" (1/1) ... [2022-11-20 18:04:08,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:04:08,181 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:04:08,592 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:04:09,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:04:09,263 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:04:09,293 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:04:09,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:04:09,601 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:04:09,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:09 WrapperNode [2022-11-20 18:04:09,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:04:09,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:04:09,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:04:09,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:04:09,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:09" (1/1) ... [2022-11-20 18:04:09,656 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:09" (1/1) ... [2022-11-20 18:04:09,690 INFO L138 Inliner]: procedures = 503, calls = 83, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 105 [2022-11-20 18:04:09,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:04:09,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:04:09,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:04:09,692 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:04:09,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:09" (1/1) ... [2022-11-20 18:04:09,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:09" (1/1) ... [2022-11-20 18:04:09,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:09" (1/1) ... [2022-11-20 18:04:09,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:09" (1/1) ... [2022-11-20 18:04:09,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:09" (1/1) ... [2022-11-20 18:04:09,713 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:09" (1/1) ... [2022-11-20 18:04:09,715 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:09" (1/1) ... [2022-11-20 18:04:09,729 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:09" (1/1) ... [2022-11-20 18:04:09,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:04:09,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:04:09,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:04:09,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:04:09,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:04:09" (1/1) ... [2022-11-20 18:04:09,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:04:09,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_716370d6-e753-44ff-ad48-a03f235f47d8/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:04:09,769 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_716370d6-e753-44ff-ad48-a03f235f47d8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:04:09,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_716370d6-e753-44ff-ad48-a03f235f47d8/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:04:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 18:04:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 18:04:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:04:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:04:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:04:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:04:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:04:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:04:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:04:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:04:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:04:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:04:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:04:10,072 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:04:10,074 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:04:10,303 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:04:10,398 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:04:10,398 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-11-20 18:04:10,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:04:10 BoogieIcfgContainer [2022-11-20 18:04:10,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:04:10,402 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:04:10,402 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:04:10,411 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:04:10,411 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:04:10" (1/1) ... [2022-11-20 18:04:10,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:04:10,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:10,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2022-11-20 18:04:10,470 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2022-11-20 18:04:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-20 18:04:10,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:10,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:10,936 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 18:04:11,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:11,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 45 states and 59 transitions. [2022-11-20 18:04:11,016 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2022-11-20 18:04:11,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-20 18:04:11,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:11,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:11,165 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 18:04:11,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:11,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 44 states and 58 transitions. [2022-11-20 18:04:11,364 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 58 transitions. [2022-11-20 18:04:11,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 18:04:11,365 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:11,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:11,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:11,553 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 18:04:11,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:11,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 43 states and 56 transitions. [2022-11-20 18:04:11,658 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2022-11-20 18:04:11,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:04:11,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:11,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:11,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 18:04:12,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 42 states and 55 transitions. [2022-11-20 18:04:12,155 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2022-11-20 18:04:12,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:04:12,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:12,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:12,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:12,268 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 18:04:12,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:12,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 50 transitions. [2022-11-20 18:04:12,334 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-11-20 18:04:12,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:04:12,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:12,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:12,413 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 18:04:12,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 39 states and 49 transitions. [2022-11-20 18:04:12,431 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-11-20 18:04:12,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 18:04:12,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:12,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:12,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:12,538 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 18:04:12,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:12,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 38 states and 47 transitions. [2022-11-20 18:04:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-11-20 18:04:12,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 18:04:12,614 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:04:12,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:04:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:04:12,675 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 18:04:12,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:04:12,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 37 states and 46 transitions. [2022-11-20 18:04:12,693 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-11-20 18:04:12,697 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:04:12,698 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2022-11-20 18:04:12,708 INFO L754 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2022-11-20 18:04:12,767 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:04:12,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:04:12 ImpRootNode [2022-11-20 18:04:12,774 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:04:12,775 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:04:12,775 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:04:12,775 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:04:12,776 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:04:10" (3/4) ... [2022-11-20 18:04:12,785 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:04:12,800 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 18:04:12,806 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 18:04:12,811 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2022-11-20 18:04:12,813 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 18:04:12,813 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 18:04:12,814 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:04:12,886 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_716370d6-e753-44ff-ad48-a03f235f47d8/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:04:12,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:04:12,887 INFO L158 Benchmark]: Toolchain (without parser) took 4814.20ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 111.4MB in the beginning and 130.3MB in the end (delta: -18.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2022-11-20 18:04:12,888 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 155.2MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:04:12,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1525.56ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 111.4MB in the beginning and 145.6MB in the end (delta: -34.2MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. [2022-11-20 18:04:12,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.50ms. Allocated memory is still 188.7MB. Free memory was 145.6MB in the beginning and 142.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:04:12,891 INFO L158 Benchmark]: Boogie Preprocessor took 40.37ms. Allocated memory is still 188.7MB. Free memory was 142.5MB in the beginning and 140.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:04:12,891 INFO L158 Benchmark]: RCFGBuilder took 668.75ms. Allocated memory is still 188.7MB. Free memory was 140.4MB in the beginning and 120.5MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 18:04:12,892 INFO L158 Benchmark]: CodeCheck took 2371.85ms. Allocated memory is still 188.7MB. Free memory was 120.5MB in the beginning and 133.5MB in the end (delta: -13.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:04:12,892 INFO L158 Benchmark]: Witness Printer took 111.52ms. Allocated memory is still 188.7MB. Free memory was 133.5MB in the beginning and 130.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:04:12,894 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, 47 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 385 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 144 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 140 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 578 IncrementalHoareTripleChecker+Invalid, 718 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 140 mSolverCounterUnsat, 136 mSDtfsCounter, 578 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 972 GetRequests, 936 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 232 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 188 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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 0.58ms. Allocated memory is still 155.2MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1525.56ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 111.4MB in the beginning and 145.6MB in the end (delta: -34.2MB). Peak memory consumption was 69.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 88.50ms. Allocated memory is still 188.7MB. Free memory was 145.6MB in the beginning and 142.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.37ms. Allocated memory is still 188.7MB. Free memory was 142.5MB in the beginning and 140.4MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 668.75ms. Allocated memory is still 188.7MB. Free memory was 140.4MB in the beginning and 120.5MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2371.85ms. Allocated memory is still 188.7MB. Free memory was 120.5MB in the beginning and 133.5MB in the end (delta: -13.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 111.52ms. Allocated memory is still 188.7MB. Free memory was 133.5MB in the beginning and 130.3MB 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 18:04:12,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_716370d6-e753-44ff-ad48-a03f235f47d8/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