./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_18_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_7791be96-e367-42d3-8f40-23f441d77f56/bin/ukojak-pZX7IvK2PQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7791be96-e367-42d3-8f40-23f441d77f56/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_7791be96-e367-42d3-8f40-23f441d77f56/bin/ukojak-pZX7IvK2PQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7791be96-e367-42d3-8f40-23f441d77f56/bin/ukojak-pZX7IvK2PQ/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7791be96-e367-42d3-8f40-23f441d77f56/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_7791be96-e367-42d3-8f40-23f441d77f56/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 a63cce9b5d0d116d42793383c44b561e5f346151eb2d927982195304973d8fbd --- 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 18:25:34,079 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 18:25:34,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 18:25:34,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 18:25:34,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 18:25:34,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 18:25:34,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 18:25:34,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 18:25:34,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 18:25:34,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 18:25:34,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 18:25:34,126 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 18:25:34,127 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 18:25:34,129 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 18:25:34,131 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 18:25:34,136 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 18:25:34,137 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 18:25:34,138 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 18:25:34,142 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 18:25:34,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 18:25:34,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 18:25:34,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 18:25:34,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 18:25:34,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 18:25:34,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 18:25:34,169 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 18:25:34,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 18:25:34,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 18:25:34,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 18:25:34,172 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 18:25:34,173 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 18:25:34,173 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 18:25:34,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 18:25:34,177 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 18:25:34,178 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 18:25:34,179 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 18:25:34,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 18:25:34,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 18:25:34,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 18:25:34,183 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 18:25:34,183 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 18:25:34,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7791be96-e367-42d3-8f40-23f441d77f56/bin/ukojak-pZX7IvK2PQ/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-20 18:25:34,227 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 18:25:34,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 18:25:34,229 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 18:25:34,229 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-20 18:25:34,229 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 18:25:34,230 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 18:25:34,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 18:25:34,230 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 18:25:34,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 18:25:34,231 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 18:25:34,232 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 18:25:34,232 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 18:25:34,232 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 18:25:34,232 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 18:25:34,233 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 18:25:34,233 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 18:25:34,233 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 18:25:34,233 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-20 18:25:34,233 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-20 18:25:34,234 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 18:25:34,234 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:25:34,234 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 18:25:34,234 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 18:25:34,234 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 18:25:34,235 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-20 18:25:34,235 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 18:25:34,235 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 18:25:34,235 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_7791be96-e367-42d3-8f40-23f441d77f56/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7791be96-e367-42d3-8f40-23f441d77f56/bin/ukojak-pZX7IvK2PQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a63cce9b5d0d116d42793383c44b561e5f346151eb2d927982195304973d8fbd [2022-11-20 18:25:34,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 18:25:34,562 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 18:25:34,565 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 18:25:34,567 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 18:25:34,567 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 18:25:34,569 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7791be96-e367-42d3-8f40-23f441d77f56/bin/ukojak-pZX7IvK2PQ/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_18_good.i [2022-11-20 18:25:37,659 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 18:25:38,035 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 18:25:38,037 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7791be96-e367-42d3-8f40-23f441d77f56/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_18_good.i [2022-11-20 18:25:38,063 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7791be96-e367-42d3-8f40-23f441d77f56/bin/ukojak-pZX7IvK2PQ/data/18523956b/fcc18d30b3b641ea9826f277d4f2d011/FLAG12c160875 [2022-11-20 18:25:38,085 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7791be96-e367-42d3-8f40-23f441d77f56/bin/ukojak-pZX7IvK2PQ/data/18523956b/fcc18d30b3b641ea9826f277d4f2d011 [2022-11-20 18:25:38,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 18:25:38,093 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 18:25:38,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 18:25:38,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 18:25:38,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 18:25:38,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:25:38" (1/1) ... [2022-11-20 18:25:38,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@504edd2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:38, skipping insertion in model container [2022-11-20 18:25:38,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:25:38" (1/1) ... [2022-11-20 18:25:38,108 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 18:25:38,222 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 18:25:38,601 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:25:39,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:25:39,097 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 18:25:39,116 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 18:25:39,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 18:25:39,309 INFO L208 MainTranslator]: Completed translation [2022-11-20 18:25:39,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:39 WrapperNode [2022-11-20 18:25:39,311 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 18:25:39,312 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 18:25:39,312 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 18:25:39,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 18:25:39,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:39" (1/1) ... [2022-11-20 18:25:39,356 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:39" (1/1) ... [2022-11-20 18:25:39,399 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2022-11-20 18:25:39,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 18:25:39,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 18:25:39,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 18:25:39,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 18:25:39,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:39" (1/1) ... [2022-11-20 18:25:39,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:39" (1/1) ... [2022-11-20 18:25:39,427 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:39" (1/1) ... [2022-11-20 18:25:39,427 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:39" (1/1) ... [2022-11-20 18:25:39,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:39" (1/1) ... [2022-11-20 18:25:39,447 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:39" (1/1) ... [2022-11-20 18:25:39,449 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:39" (1/1) ... [2022-11-20 18:25:39,450 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:39" (1/1) ... [2022-11-20 18:25:39,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 18:25:39,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 18:25:39,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 18:25:39,453 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 18:25:39,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:25:39" (1/1) ... [2022-11-20 18:25:39,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-20 18:25:39,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7791be96-e367-42d3-8f40-23f441d77f56/bin/ukojak-pZX7IvK2PQ/z3 [2022-11-20 18:25:39,500 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7791be96-e367-42d3-8f40-23f441d77f56/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-20 18:25:39,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7791be96-e367-42d3-8f40-23f441d77f56/bin/ukojak-pZX7IvK2PQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-20 18:25:39,553 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 18:25:39,553 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 18:25:39,554 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 18:25:39,554 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 18:25:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 18:25:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 18:25:39,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 18:25:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 18:25:39,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 18:25:39,706 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 18:25:39,708 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 18:25:39,850 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 18:25:39,904 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 18:25:39,905 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 18:25:39,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:25:39 BoogieIcfgContainer [2022-11-20 18:25:39,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 18:25:39,909 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-20 18:25:39,909 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-20 18:25:39,926 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-20 18:25:39,927 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:25:39" (1/1) ... [2022-11-20 18:25:39,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 18:25:39,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:39,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-20 18:25:39,995 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-20 18:25:39,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 18:25:40,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:40,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:40,377 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 18:25:40,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:40,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 23 transitions. [2022-11-20 18:25:40,443 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2022-11-20 18:25:40,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 18:25:40,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:40,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:40,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:25:40,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:40,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 20 states and 21 transitions. [2022-11-20 18:25:40,645 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2022-11-20 18:25:40,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 18:25:40,646 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-20 18:25:40,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 18:25:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 18:25:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-20 18:25:40,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-20 18:25:40,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 19 states and 20 transitions. [2022-11-20 18:25:40,726 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2022-11-20 18:25:40,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 18:25:40,726 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2022-11-20 18:25:40,735 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-20 18:25:40,756 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:25:40,761 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 18:25:40,766 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:25:40,767 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2022-11-20 18:25:40,767 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-20 18:25:40,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 06:25:40 ImpRootNode [2022-11-20 18:25:40,768 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-20 18:25:40,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 18:25:40,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 18:25:40,769 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 18:25:40,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:25:39" (3/4) ... [2022-11-20 18:25:40,780 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 18:25:40,786 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 18:25:40,786 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 18:25:40,804 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-20 18:25:40,805 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-20 18:25:40,805 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 18:25:40,805 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 18:25:40,863 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7791be96-e367-42d3-8f40-23f441d77f56/bin/ukojak-pZX7IvK2PQ/witness.graphml [2022-11-20 18:25:40,863 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 18:25:40,864 INFO L158 Benchmark]: Toolchain (without parser) took 2771.26ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 70.0MB in the beginning and 111.5MB in the end (delta: -41.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:25:40,864 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 134.2MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:25:40,865 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1216.19ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 69.9MB in the beginning and 85.4MB in the end (delta: -15.5MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-11-20 18:25:40,865 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.50ms. Allocated memory is still 169.9MB. Free memory was 85.4MB in the beginning and 82.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 18:25:40,866 INFO L158 Benchmark]: Boogie Preprocessor took 51.98ms. Allocated memory is still 169.9MB. Free memory was 82.0MB in the beginning and 80.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 18:25:40,866 INFO L158 Benchmark]: RCFGBuilder took 455.39ms. Allocated memory is still 169.9MB. Free memory was 80.7MB in the beginning and 131.2MB in the end (delta: -50.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 18:25:40,866 INFO L158 Benchmark]: CodeCheck took 858.67ms. Allocated memory is still 169.9MB. Free memory was 131.2MB in the beginning and 114.5MB in the end (delta: 16.7MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. [2022-11-20 18:25:40,879 INFO L158 Benchmark]: Witness Printer took 94.66ms. Allocated memory is still 169.9MB. Free memory was 114.5MB in the beginning and 111.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 18:25:40,881 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: 0.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 26 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 217 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: 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: 1581]: 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: 1548]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1549]: Loop Invariant Derived loop invariant: 2147483647 <= data - InvariantResult [Line: 1593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: data == 2 - InvariantResult [Line: 1595]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 134.2MB. Free memory is still 107.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1216.19ms. Allocated memory was 134.2MB in the beginning and 169.9MB in the end (delta: 35.7MB). Free memory was 69.9MB in the beginning and 85.4MB in the end (delta: -15.5MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.50ms. Allocated memory is still 169.9MB. Free memory was 85.4MB in the beginning and 82.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.98ms. Allocated memory is still 169.9MB. Free memory was 82.0MB in the beginning and 80.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 455.39ms. Allocated memory is still 169.9MB. Free memory was 80.7MB in the beginning and 131.2MB in the end (delta: -50.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 858.67ms. Allocated memory is still 169.9MB. Free memory was 131.2MB in the beginning and 114.5MB in the end (delta: 16.7MB). Peak memory consumption was 15.5MB. Max. memory is 16.1GB. * Witness Printer took 94.66ms. Allocated memory is still 169.9MB. Free memory was 114.5MB in the beginning and 111.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-20 18:25:40,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7791be96-e367-42d3-8f40-23f441d77f56/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