./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_63_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_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/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_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_63_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/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_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/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 56071833ceb3bc849278035f39efb6226a2298f4260005798c3f4f2b45b345b5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 16:54:06,061 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 16:54:06,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 16:54:06,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 16:54:06,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 16:54:06,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 16:54:06,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 16:54:06,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 16:54:06,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 16:54:06,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 16:54:06,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 16:54:06,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 16:54:06,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 16:54:06,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 16:54:06,094 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 16:54:06,095 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 16:54:06,096 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 16:54:06,097 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 16:54:06,098 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 16:54:06,100 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 16:54:06,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 16:54:06,103 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 16:54:06,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 16:54:06,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 16:54:06,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 16:54:06,108 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 16:54:06,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 16:54:06,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 16:54:06,110 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 16:54:06,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 16:54:06,111 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 16:54:06,112 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 16:54:06,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 16:54:06,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 16:54:06,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 16:54:06,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 16:54:06,115 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 16:54:06,116 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 16:54:06,116 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 16:54:06,117 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 16:54:06,118 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 16:54:06,118 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 16:54:06,140 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 16:54:06,140 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 16:54:06,141 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 16:54:06,141 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 16:54:06,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 16:54:06,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 16:54:06,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 16:54:06,143 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 16:54:06,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 16:54:06,143 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 16:54:06,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 16:54:06,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 16:54:06,147 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 16:54:06,147 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 16:54:06,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 16:54:06,148 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 16:54:06,148 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 16:54:06,148 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 16:54:06,148 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 16:54:06,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 16:54:06,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:06,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 16:54:06,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 16:54:06,150 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 16:54:06,150 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 16:54:06,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 16:54:06,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 16:54:06,150 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_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56071833ceb3bc849278035f39efb6226a2298f4260005798c3f4f2b45b345b5 [2022-11-20 16:54:06,436 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 16:54:06,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 16:54:06,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 16:54:06,474 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 16:54:06,474 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 16:54:06,476 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_63_good.i [2022-11-20 16:54:09,624 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 16:54:10,032 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 16:54:10,035 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_63_good.i [2022-11-20 16:54:10,066 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/bin/ukojak-pZX7IvK2PQ/data/67c2e1b6a/1927bc49921545bfa0cad1a8a0b650ee/FLAG1dd5e90b3 [2022-11-20 16:54:10,079 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/bin/ukojak-pZX7IvK2PQ/data/67c2e1b6a/1927bc49921545bfa0cad1a8a0b650ee [2022-11-20 16:54:10,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 16:54:10,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 16:54:10,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:10,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 16:54:10,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 16:54:10,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:10" (1/1) ... [2022-11-20 16:54:10,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65e21378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:10, skipping insertion in model container [2022-11-20 16:54:10,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:54:10" (1/1) ... [2022-11-20 16:54:10,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 16:54:10,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 16:54:10,558 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:54:11,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:11,140 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 16:54:11,173 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 16:54:11,279 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 16:54:11,446 INFO L208 MainTranslator]: Completed translation [2022-11-20 16:54:11,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:11 WrapperNode [2022-11-20 16:54:11,446 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 16:54:11,448 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:11,448 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 16:54:11,448 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 16:54:11,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:11" (1/1) ... [2022-11-20 16:54:11,495 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:11" (1/1) ... [2022-11-20 16:54:11,530 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 68 [2022-11-20 16:54:11,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 16:54:11,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 16:54:11,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 16:54:11,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 16:54:11,541 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:11" (1/1) ... [2022-11-20 16:54:11,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:11" (1/1) ... [2022-11-20 16:54:11,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:11" (1/1) ... [2022-11-20 16:54:11,558 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:11" (1/1) ... [2022-11-20 16:54:11,563 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:11" (1/1) ... [2022-11-20 16:54:11,577 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:11" (1/1) ... [2022-11-20 16:54:11,578 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:11" (1/1) ... [2022-11-20 16:54:11,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:11" (1/1) ... [2022-11-20 16:54:11,582 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 16:54:11,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 16:54:11,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 16:54:11,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 16:54:11,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:54:11" (1/1) ... [2022-11-20 16:54:11,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 16:54:11,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 16:54:11,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 16:54:11,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 16:54:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 16:54:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 16:54:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 16:54:11,671 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 16:54:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 16:54:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 16:54:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 16:54:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 16:54:11,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 16:54:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 16:54:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 16:54:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 16:54:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 16:54:11,814 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 16:54:11,816 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 16:54:11,980 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 16:54:12,032 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 16:54:12,033 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 16:54:12,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:12 BoogieIcfgContainer [2022-11-20 16:54:12,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 16:54:12,041 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 16:54:12,041 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 16:54:12,049 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 16:54:12,049 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:12" (1/1) ... [2022-11-20 16:54:12,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 16:54:12,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:12,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2022-11-20 16:54:12,113 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2022-11-20 16:54:12,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-20 16:54:12,117 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:12,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:12,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2022-11-20 16:54:12,735 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2022-11-20 16:54:12,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 16:54:12,735 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:12,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:12,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:12,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:12,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2022-11-20 16:54:12,997 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-11-20 16:54:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 16:54:12,997 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:12,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:13,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:13,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:13,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:13,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2022-11-20 16:54:13,215 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-11-20 16:54:13,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 16:54:13,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 16:54:13,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 16:54:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 16:54:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 16:54:13,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 16:54:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2022-11-20 16:54:13,335 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2022-11-20 16:54:13,335 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 16:54:13,336 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-11-20 16:54:13,344 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 16:54:13,371 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 16:54:13,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 04:54:13 ImpRootNode [2022-11-20 16:54:13,377 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 16:54:13,377 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 16:54:13,378 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 16:54:13,378 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 16:54:13,378 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:54:12" (3/4) ... [2022-11-20 16:54:13,382 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 16:54:13,388 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 16:54:13,388 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 16:54:13,392 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2022-11-20 16:54:13,393 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 16:54:13,393 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 16:54:13,393 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 16:54:13,435 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 16:54:13,435 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 16:54:13,436 INFO L158 Benchmark]: Toolchain (without parser) took 3351.93ms. Allocated memory is still 186.6MB. Free memory was 146.1MB in the beginning and 94.9MB in the end (delta: 51.2MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2022-11-20 16:54:13,436 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 121.6MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 16:54:13,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1361.55ms. Allocated memory is still 186.6MB. Free memory was 145.6MB in the beginning and 132.9MB in the end (delta: 12.7MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2022-11-20 16:54:13,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.87ms. Allocated memory is still 186.6MB. Free memory was 132.9MB in the beginning and 130.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:54:13,437 INFO L158 Benchmark]: Boogie Preprocessor took 57.20ms. Allocated memory is still 186.6MB. Free memory was 130.8MB in the beginning and 128.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:54:13,438 INFO L158 Benchmark]: RCFGBuilder took 450.90ms. Allocated memory is still 186.6MB. Free memory was 128.7MB in the beginning and 111.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 16:54:13,438 INFO L158 Benchmark]: CodeCheck took 1336.15ms. Allocated memory is still 186.6MB. Free memory was 111.9MB in the beginning and 98.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2022-11-20 16:54:13,439 INFO L158 Benchmark]: Witness Printer took 57.70ms. Allocated memory is still 186.6MB. Free memory was 98.1MB in the beginning and 94.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 16:54:13,441 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, 24 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 81 IncrementalHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 36 mSDtfsCounter, 81 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 62 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1581]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1591]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1574]: 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 121.6MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1361.55ms. Allocated memory is still 186.6MB. Free memory was 145.6MB in the beginning and 132.9MB in the end (delta: 12.7MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.87ms. Allocated memory is still 186.6MB. Free memory was 132.9MB in the beginning and 130.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.20ms. Allocated memory is still 186.6MB. Free memory was 130.8MB in the beginning and 128.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.90ms. Allocated memory is still 186.6MB. Free memory was 128.7MB in the beginning and 111.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1336.15ms. Allocated memory is still 186.6MB. Free memory was 111.9MB in the beginning and 98.1MB in the end (delta: 13.9MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. * Witness Printer took 57.70ms. Allocated memory is still 186.6MB. Free memory was 98.1MB in the beginning and 94.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 16:54:13,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57e9b6d8-b5a4-401e-8ecc-52b3aa295081/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