./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg --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 9e85785099ced6cb89d5381cd9628d0920cc9b465f088410a909334cad533b08 --- 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-b5237d8 [2022-11-21 21:51:59,878 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 21:51:59,880 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 21:51:59,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 21:51:59,925 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 21:51:59,928 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 21:51:59,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 21:51:59,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 21:51:59,935 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 21:51:59,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 21:51:59,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 21:51:59,944 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 21:51:59,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 21:51:59,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 21:51:59,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 21:51:59,951 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 21:51:59,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 21:51:59,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 21:51:59,955 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 21:51:59,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 21:51:59,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 21:51:59,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 21:51:59,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 21:51:59,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 21:51:59,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 21:51:59,978 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 21:51:59,978 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 21:51:59,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 21:51:59,981 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 21:51:59,982 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 21:51:59,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 21:51:59,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 21:51:59,986 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 21:51:59,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 21:51:59,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 21:51:59,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 21:51:59,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 21:51:59,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 21:51:59,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 21:51:59,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 21:51:59,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 21:51:59,995 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 21:52:00,026 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 21:52:00,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 21:52:00,027 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 21:52:00,028 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 21:52:00,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 21:52:00,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 21:52:00,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 21:52:00,029 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 21:52:00,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 21:52:00,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 21:52:00,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 21:52:00,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 21:52:00,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 21:52:00,031 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 21:52:00,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 21:52:00,032 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 21:52:00,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 21:52:00,032 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 21:52:00,032 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 21:52:00,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 21:52:00,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:52:00,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 21:52:00,033 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 21:52:00,033 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 21:52:00,033 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 21:52:00,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 21:52:00,034 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 21:52:00,034 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_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e85785099ced6cb89d5381cd9628d0920cc9b465f088410a909334cad533b08 [2022-11-21 21:52:00,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 21:52:00,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 21:52:00,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 21:52:00,379 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 21:52:00,379 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 21:52:00,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_good.i [2022-11-21 21:52:03,267 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 21:52:03,624 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 21:52:03,625 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_65_good.i [2022-11-21 21:52:03,654 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg/data/3c83850a3/474d40b814f140a79e08e436ca84cd43/FLAG01b278395 [2022-11-21 21:52:03,673 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg/data/3c83850a3/474d40b814f140a79e08e436ca84cd43 [2022-11-21 21:52:03,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 21:52:03,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 21:52:03,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 21:52:03,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 21:52:03,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 21:52:03,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:52:03" (1/1) ... [2022-11-21 21:52:03,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41fca5d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:03, skipping insertion in model container [2022-11-21 21:52:03,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:52:03" (1/1) ... [2022-11-21 21:52:03,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 21:52:03,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 21:52:04,211 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:52:04,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:52:04,714 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 21:52:04,746 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 21:52:04,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 21:52:05,064 INFO L208 MainTranslator]: Completed translation [2022-11-21 21:52:05,065 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:05 WrapperNode [2022-11-21 21:52:05,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 21:52:05,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 21:52:05,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 21:52:05,066 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 21:52:05,074 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:05" (1/1) ... [2022-11-21 21:52:05,109 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:05" (1/1) ... [2022-11-21 21:52:05,146 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 81 [2022-11-21 21:52:05,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 21:52:05,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 21:52:05,147 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 21:52:05,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 21:52:05,162 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:05" (1/1) ... [2022-11-21 21:52:05,162 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:05" (1/1) ... [2022-11-21 21:52:05,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:05" (1/1) ... [2022-11-21 21:52:05,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:05" (1/1) ... [2022-11-21 21:52:05,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:05" (1/1) ... [2022-11-21 21:52:05,177 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:05" (1/1) ... [2022-11-21 21:52:05,179 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:05" (1/1) ... [2022-11-21 21:52:05,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:05" (1/1) ... [2022-11-21 21:52:05,183 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 21:52:05,184 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 21:52:05,184 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 21:52:05,184 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 21:52:05,185 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:52:05" (1/1) ... [2022-11-21 21:52:05,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 21:52:05,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg/z3 [2022-11-21 21:52:05,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 21:52:05,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 21:52:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 21:52:05,273 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 21:52:05,273 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 21:52:05,274 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 21:52:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 21:52:05,274 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-21 21:52:05,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-21 21:52:05,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 21:52:05,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 21:52:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 21:52:05,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 21:52:05,507 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 21:52:05,509 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 21:52:05,741 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 21:52:05,824 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 21:52:05,824 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 21:52:05,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:52:05 BoogieIcfgContainer [2022-11-21 21:52:05,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 21:52:05,828 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 21:52:05,828 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 21:52:05,838 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 21:52:05,838 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:52:05" (1/1) ... [2022-11-21 21:52:05,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 21:52:05,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:52:05,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 32 states and 37 transitions. [2022-11-21 21:52:05,899 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 37 transitions. [2022-11-21 21:52:05,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 21:52:05,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:52:05,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:52:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:52:06,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:52:06,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:52:06,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 35 states and 42 transitions. [2022-11-21 21:52:06,325 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-21 21:52:06,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 21:52:06,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:52:06,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:52:06,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:52:06,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:52:06,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:52:06,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 48 transitions. [2022-11-21 21:52:06,854 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2022-11-21 21:52:06,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 21:52:06,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:52:06,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:52:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:52:07,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:52:07,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:52:07,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 51 transitions. [2022-11-21 21:52:07,461 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2022-11-21 21:52:07,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-21 21:52:07,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:52:07,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:52:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:52:07,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:52:08,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:52:08,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 50 transitions. [2022-11-21 21:52:08,287 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 50 transitions. [2022-11-21 21:52:08,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 21:52:08,288 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:52:08,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:52:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:52:08,497 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:52:08,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:52:08,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 49 transitions. [2022-11-21 21:52:08,574 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2022-11-21 21:52:08,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-21 21:52:08,576 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:52:08,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:52:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:52:08,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 21:52:09,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:52:09,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 36 states and 44 transitions. [2022-11-21 21:52:09,626 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2022-11-21 21:52:09,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 21:52:09,627 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 21:52:09,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 21:52:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 21:52:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 21:52:09,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 21:52:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 35 states and 43 transitions. [2022-11-21 21:52:09,890 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2022-11-21 21:52:09,891 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 21:52:09,891 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2022-11-21 21:52:09,899 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 21:52:10,040 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 21:52:10,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 09:52:10 ImpRootNode [2022-11-21 21:52:10,045 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 21:52:10,045 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 21:52:10,046 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 21:52:10,046 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 21:52:10,046 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:52:05" (3/4) ... [2022-11-21 21:52:10,049 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 21:52:10,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 21:52:10,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 21:52:10,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-21 21:52:10,059 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-21 21:52:10,059 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-21 21:52:10,060 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-21 21:52:10,060 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 21:52:10,115 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 21:52:10,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 21:52:10,117 INFO L158 Benchmark]: Toolchain (without parser) took 6439.05ms. Allocated memory was 165.7MB in the beginning and 213.9MB in the end (delta: 48.2MB). Free memory was 117.6MB in the beginning and 165.9MB in the end (delta: -48.3MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2022-11-21 21:52:10,117 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 130.0MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:52:10,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1383.70ms. Allocated memory is still 165.7MB. Free memory was 117.6MB in the beginning and 112.4MB in the end (delta: 5.2MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-11-21 21:52:10,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.80ms. Allocated memory is still 165.7MB. Free memory was 112.4MB in the beginning and 109.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 21:52:10,119 INFO L158 Benchmark]: Boogie Preprocessor took 35.68ms. Allocated memory is still 165.7MB. Free memory was 109.3MB in the beginning and 108.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:52:10,120 INFO L158 Benchmark]: RCFGBuilder took 643.67ms. Allocated memory is still 165.7MB. Free memory was 108.1MB in the beginning and 88.3MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-21 21:52:10,120 INFO L158 Benchmark]: CodeCheck took 4216.91ms. Allocated memory was 165.7MB in the beginning and 213.9MB in the end (delta: 48.2MB). Free memory was 87.4MB in the beginning and 169.1MB in the end (delta: -81.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 21:52:10,125 INFO L158 Benchmark]: Witness Printer took 70.70ms. Allocated memory is still 213.9MB. Free memory was 169.1MB in the beginning and 165.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 21:52:10,127 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 4 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 299 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 41 mSDsluCounter, 163 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 201 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 540 IncrementalHoareTripleChecker+Invalid, 741 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 201 mSolverCounterUnsat, 163 mSDtfsCounter, 540 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 948 GetRequests, 870 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1673 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 117 NumberOfCodeBlocks, 117 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 110 ConstructedInterpolants, 0 QuantifiedInterpolants, 224 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 11/11 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: 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 - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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: 1576]: 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 130.0MB. Free memory was 72.4MB in the beginning and 72.3MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1383.70ms. Allocated memory is still 165.7MB. Free memory was 117.6MB in the beginning and 112.4MB in the end (delta: 5.2MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.80ms. Allocated memory is still 165.7MB. Free memory was 112.4MB in the beginning and 109.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.68ms. Allocated memory is still 165.7MB. Free memory was 109.3MB in the beginning and 108.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 643.67ms. Allocated memory is still 165.7MB. Free memory was 108.1MB in the beginning and 88.3MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 4216.91ms. Allocated memory was 165.7MB in the beginning and 213.9MB in the end (delta: 48.2MB). Free memory was 87.4MB in the beginning and 169.1MB in the end (delta: -81.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 70.70ms. Allocated memory is still 213.9MB. Free memory was 169.1MB in the beginning and 165.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 21:52:10,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2c463e2-2d66-45e3-92a6-a587ecf40b6c/bin/ukojak-jW3SillKbg/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