./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_53_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_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/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_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_53_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/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_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/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 84b3dde61519d8133a9e9fcb9564f316a3ab4d2190a0380e236b26bf9170ff50 --- 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 18:21:09,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:21:09,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:21:09,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:21:09,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:21:09,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:21:09,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:21:09,064 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:21:09,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:21:09,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:21:09,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:21:09,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:21:09,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:21:09,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:21:09,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:21:09,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:21:09,074 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:21:09,075 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:21:09,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:21:09,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:21:09,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:21:09,084 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:21:09,085 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:21:09,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:21:09,089 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:21:09,089 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:21:09,090 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:21:09,090 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:21:09,091 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:21:09,092 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:21:09,092 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:21:09,093 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:21:09,094 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:21:09,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:21:09,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:21:09,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:21:09,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:21:09,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:21:09,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:21:09,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:21:09,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:21:09,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:21:09,143 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:21:09,143 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:21:09,144 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:21:09,144 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:21:09,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:21:09,150 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:21:09,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:21:09,151 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:21:09,151 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:21:09,151 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:21:09,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:21:09,152 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:21:09,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:21:09,153 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:21:09,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:21:09,153 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:21:09,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:21:09,154 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:21:09,154 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:21:09,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:21:09,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:09,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:21:09,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:21:09,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:21:09,156 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:21:09,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:21:09,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:21:09,157 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_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 84b3dde61519d8133a9e9fcb9564f316a3ab4d2190a0380e236b26bf9170ff50 [2022-11-20 18:21:09,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:21:09,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:21:09,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:21:09,518 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:21:09,518 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:21:09,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_53_good.i [2022-11-20 18:21:12,569 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:21:12,956 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:21:12,957 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_53_good.i [2022-11-20 18:21:12,992 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/bin/ukojak-pZX7IvK2PQ/data/fad3fc226/bebf8ed11e0d46e7b82b0d3710542fdf/FLAG11b1c264b [2022-11-20 18:21:13,010 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/bin/ukojak-pZX7IvK2PQ/data/fad3fc226/bebf8ed11e0d46e7b82b0d3710542fdf [2022-11-20 18:21:13,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:21:13,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:21:13,022 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:13,022 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:21:13,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:21:13,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:13" (1/1) ... [2022-11-20 18:21:13,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c43598 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:13, skipping insertion in model container [2022-11-20 18:21:13,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:21:13" (1/1) ... [2022-11-20 18:21:13,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:21:13,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:21:13,498 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:21:14,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:14,096 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:21:14,120 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:21:14,212 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:21:14,437 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:21:14,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:14 WrapperNode [2022-11-20 18:21:14,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:21:14,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:14,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:21:14,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:21:14,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:14" (1/1) ... [2022-11-20 18:21:14,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:14" (1/1) ... [2022-11-20 18:21:14,523 INFO L138 Inliner]: procedures = 507, calls = 70, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 66 [2022-11-20 18:21:14,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:21:14,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:21:14,524 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:21:14,524 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:21:14,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:14" (1/1) ... [2022-11-20 18:21:14,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:14" (1/1) ... [2022-11-20 18:21:14,535 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:14" (1/1) ... [2022-11-20 18:21:14,536 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:14" (1/1) ... [2022-11-20 18:21:14,542 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:14" (1/1) ... [2022-11-20 18:21:14,545 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:14" (1/1) ... [2022-11-20 18:21:14,546 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:14" (1/1) ... [2022-11-20 18:21:14,548 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:14" (1/1) ... [2022-11-20 18:21:14,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:21:14,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:21:14,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:21:14,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:21:14,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:21:14" (1/1) ... [2022-11-20 18:21:14,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:21:14,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:21:14,587 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:21:14,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:21:14,642 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 18:21:14,642 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 18:21:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:21:14,643 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:21:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 18:21:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 18:21:14,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:21:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:21:14,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:21:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 18:21:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:21:14,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 18:21:14,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:21:14,817 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:21:14,820 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:21:15,045 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:21:15,111 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:21:15,112 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:21:15,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:15 BoogieIcfgContainer [2022-11-20 18:21:15,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:21:15,116 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:21:15,116 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:21:15,133 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:21:15,133 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:15" (1/1) ... [2022-11-20 18:21:15,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:21:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:15,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-20 18:21:15,228 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-20 18:21:15,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-20 18:21:15,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:15,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:15,559 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 18:21:15,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:15,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2022-11-20 18:21:15,612 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-20 18:21:15,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:21:15,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:15,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:15,755 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 18:21:15,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:15,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2022-11-20 18:21:15,771 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2022-11-20 18:21:15,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-20 18:21:15,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:15,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:15,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:15,874 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 18:21:15,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:15,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-11-20 18:21:15,923 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-11-20 18:21:15,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-20 18:21:15,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:21:15,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:21:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:21:16,019 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 18:21:16,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:21:16,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2022-11-20 18:21:16,119 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2022-11-20 18:21:16,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:21:16,120 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2022-11-20 18:21:16,131 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 18:21:16,166 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:21:16,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:21:16 ImpRootNode [2022-11-20 18:21:16,172 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:21:16,173 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:21:16,174 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:21:16,174 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:21:16,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:21:15" (3/4) ... [2022-11-20 18:21:16,179 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:21:16,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 18:21:16,186 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 18:21:16,196 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2022-11-20 18:21:16,196 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-20 18:21:16,197 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 18:21:16,197 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:21:16,254 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:21:16,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:21:16,255 INFO L158 Benchmark]: Toolchain (without parser) took 3238.69ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 81.0MB in the beginning and 91.7MB in the end (delta: -10.7MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2022-11-20 18:21:16,256 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 119.5MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:16,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1416.17ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 81.0MB in the beginning and 111.6MB in the end (delta: -30.6MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2022-11-20 18:21:16,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.42ms. Allocated memory is still 172.0MB. Free memory was 111.6MB in the beginning and 108.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:21:16,257 INFO L158 Benchmark]: Boogie Preprocessor took 27.03ms. Allocated memory is still 172.0MB. Free memory was 108.2MB in the beginning and 106.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:16,258 INFO L158 Benchmark]: RCFGBuilder took 563.22ms. Allocated memory is still 172.0MB. Free memory was 106.9MB in the beginning and 90.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 18:21:16,258 INFO L158 Benchmark]: CodeCheck took 1057.16ms. Allocated memory is still 172.0MB. Free memory was 90.6MB in the beginning and 94.8MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:21:16,259 INFO L158 Benchmark]: Witness Printer took 81.34ms. Allocated memory is still 172.0MB. Free memory was 94.8MB in the beginning and 91.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:21:16,261 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, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 44 mSDtfsCounter, 85 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 309 GetRequests, 301 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 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: 1601]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1601]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - 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 0.51ms. Allocated memory is still 119.5MB. Free memory is still 91.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1416.17ms. Allocated memory was 119.5MB in the beginning and 172.0MB in the end (delta: 52.4MB). Free memory was 81.0MB in the beginning and 111.6MB in the end (delta: -30.6MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.42ms. Allocated memory is still 172.0MB. Free memory was 111.6MB in the beginning and 108.2MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.03ms. Allocated memory is still 172.0MB. Free memory was 108.2MB in the beginning and 106.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 563.22ms. Allocated memory is still 172.0MB. Free memory was 106.9MB in the beginning and 90.6MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1057.16ms. Allocated memory is still 172.0MB. Free memory was 90.6MB in the beginning and 94.8MB in the end (delta: -4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 81.34ms. Allocated memory is still 172.0MB. Free memory was 94.8MB in the beginning and 91.7MB 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 18:21:16,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aacd3a-36b1-4f24-8996-ef9d83b7f5cb/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