./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_01_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_3124fd55-5939-4541-8c41-cecc6f28dc73/bin/ukojak-jW3SillKbg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3124fd55-5939-4541-8c41-cecc6f28dc73/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_3124fd55-5939-4541-8c41-cecc6f28dc73/bin/ukojak-jW3SillKbg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3124fd55-5939-4541-8c41-cecc6f28dc73/bin/ukojak-jW3SillKbg/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_01_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3124fd55-5939-4541-8c41-cecc6f28dc73/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_3124fd55-5939-4541-8c41-cecc6f28dc73/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 67497e683b854d9eba53ce4d062137c436ca4455bbe85b1fed5466b123cd40d8 --- 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 22:06:01,946 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 22:06:01,948 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 22:06:01,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 22:06:01,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 22:06:01,980 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 22:06:01,981 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 22:06:01,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 22:06:01,984 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 22:06:01,992 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 22:06:01,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 22:06:01,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 22:06:01,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 22:06:02,007 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 22:06:02,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 22:06:02,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 22:06:02,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 22:06:02,011 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 22:06:02,013 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 22:06:02,014 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 22:06:02,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 22:06:02,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 22:06:02,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 22:06:02,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 22:06:02,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 22:06:02,022 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 22:06:02,022 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 22:06:02,023 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 22:06:02,023 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 22:06:02,024 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 22:06:02,025 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 22:06:02,025 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 22:06:02,026 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 22:06:02,027 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 22:06:02,028 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 22:06:02,028 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 22:06:02,029 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 22:06:02,029 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 22:06:02,029 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 22:06:02,030 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 22:06:02,031 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 22:06:02,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3124fd55-5939-4541-8c41-cecc6f28dc73/bin/ukojak-jW3SillKbg/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-11-21 22:06:02,053 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 22:06:02,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 22:06:02,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 22:06:02,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-11-21 22:06:02,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 22:06:02,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 22:06:02,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 22:06:02,056 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 22:06:02,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 22:06:02,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 22:06:02,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 22:06:02,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 22:06:02,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 22:06:02,058 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 22:06:02,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 22:06:02,058 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 22:06:02,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 22:06:02,059 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-11-21 22:06:02,059 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-11-21 22:06:02,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 22:06:02,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:06:02,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 22:06:02,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 22:06:02,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 22:06:02,061 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-11-21 22:06:02,061 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 22:06:02,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 22:06:02,061 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_3124fd55-5939-4541-8c41-cecc6f28dc73/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3124fd55-5939-4541-8c41-cecc6f28dc73/bin/ukojak-jW3SillKbg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67497e683b854d9eba53ce4d062137c436ca4455bbe85b1fed5466b123cd40d8 [2022-11-21 22:06:02,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 22:06:02,393 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 22:06:02,395 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 22:06:02,397 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 22:06:02,397 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 22:06:02,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3124fd55-5939-4541-8c41-cecc6f28dc73/bin/ukojak-jW3SillKbg/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_01_good.i [2022-11-21 22:06:05,589 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 22:06:05,925 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 22:06:05,925 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3124fd55-5939-4541-8c41-cecc6f28dc73/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_01_good.i [2022-11-21 22:06:05,947 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3124fd55-5939-4541-8c41-cecc6f28dc73/bin/ukojak-jW3SillKbg/data/fba8c59fb/fab935e99adf4d368f3be2c8b8d3c132/FLAG5e7a6bc0d [2022-11-21 22:06:05,962 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3124fd55-5939-4541-8c41-cecc6f28dc73/bin/ukojak-jW3SillKbg/data/fba8c59fb/fab935e99adf4d368f3be2c8b8d3c132 [2022-11-21 22:06:05,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 22:06:05,966 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 22:06:05,968 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 22:06:05,968 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 22:06:05,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 22:06:05,972 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:05" (1/1) ... [2022-11-21 22:06:05,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4985cca6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:05, skipping insertion in model container [2022-11-21 22:06:05,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:05" (1/1) ... [2022-11-21 22:06:05,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 22:06:06,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 22:06:06,533 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:06:07,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:06:07,061 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 22:06:07,081 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-21 22:06:07,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 22:06:07,362 INFO L208 MainTranslator]: Completed translation [2022-11-21 22:06:07,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:07 WrapperNode [2022-11-21 22:06:07,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 22:06:07,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 22:06:07,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 22:06:07,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 22:06:07,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:07" (1/1) ... [2022-11-21 22:06:07,407 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:07" (1/1) ... [2022-11-21 22:06:07,447 INFO L138 Inliner]: procedures = 502, calls = 67, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2022-11-21 22:06:07,448 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 22:06:07,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 22:06:07,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 22:06:07,449 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 22:06:07,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:07" (1/1) ... [2022-11-21 22:06:07,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:07" (1/1) ... [2022-11-21 22:06:07,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:07" (1/1) ... [2022-11-21 22:06:07,475 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:07" (1/1) ... [2022-11-21 22:06:07,480 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:07" (1/1) ... [2022-11-21 22:06:07,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:07" (1/1) ... [2022-11-21 22:06:07,491 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:07" (1/1) ... [2022-11-21 22:06:07,499 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:07" (1/1) ... [2022-11-21 22:06:07,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 22:06:07,507 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 22:06:07,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 22:06:07,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 22:06:07,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:07" (1/1) ... [2022-11-21 22:06:07,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-11-21 22:06:07,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3124fd55-5939-4541-8c41-cecc6f28dc73/bin/ukojak-jW3SillKbg/z3 [2022-11-21 22:06:07,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3124fd55-5939-4541-8c41-cecc6f28dc73/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-11-21 22:06:07,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3124fd55-5939-4541-8c41-cecc6f28dc73/bin/ukojak-jW3SillKbg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-11-21 22:06:07,592 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-21 22:06:07,592 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-21 22:06:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-21 22:06:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-21 22:06:07,593 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-21 22:06:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 22:06:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-21 22:06:07,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 22:06:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 22:06:07,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 22:06:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 22:06:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-21 22:06:07,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 22:06:07,740 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 22:06:07,742 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 22:06:08,010 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 22:06:08,071 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 22:06:08,078 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-21 22:06:08,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:08 BoogieIcfgContainer [2022-11-21 22:06:08,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 22:06:08,082 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-11-21 22:06:08,082 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-11-21 22:06:08,123 INFO L275 PluginConnector]: CodeCheck initialized [2022-11-21 22:06:08,125 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:08" (1/1) ... [2022-11-21 22:06:08,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 22:06:08,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:06:08,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2022-11-21 22:06:08,210 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-11-21 22:06:08,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-21 22:06:08,214 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:06:08,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:06:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:06:08,552 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 22:06:08,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:06:08,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2022-11-21 22:06:08,592 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2022-11-21 22:06:08,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-21 22:06:08,593 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:06:08,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:06:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:06:08,703 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 22:06:08,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:06:08,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2022-11-21 22:06:08,718 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-11-21 22:06:08,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 22:06:08,719 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:06:08,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:06:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:06:08,926 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 22:06:08,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:06:08,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2022-11-21 22:06:08,972 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2022-11-21 22:06:08,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-21 22:06:08,973 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:06:08,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:06:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:06:09,077 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 22:06:09,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:06:09,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 28 states and 34 transitions. [2022-11-21 22:06:09,165 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 34 transitions. [2022-11-21 22:06:09,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-21 22:06:09,167 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-11-21 22:06:09,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 22:06:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 22:06:09,360 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 22:06:09,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-11-21 22:06:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 28 transitions. [2022-11-21 22:06:09,430 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2022-11-21 22:06:09,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 22:06:09,431 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2022-11-21 22:06:09,440 INFO L754 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2022-11-21 22:06:09,480 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-11-21 22:06:09,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 10:06:09 ImpRootNode [2022-11-21 22:06:09,486 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-11-21 22:06:09,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 22:06:09,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 22:06:09,489 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 22:06:09,489 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:08" (3/4) ... [2022-11-21 22:06:09,494 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 22:06:09,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-21 22:06:09,504 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-21 22:06:09,513 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-11-21 22:06:09,513 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-21 22:06:09,514 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 22:06:09,514 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 22:06:09,574 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3124fd55-5939-4541-8c41-cecc6f28dc73/bin/ukojak-jW3SillKbg/witness.graphml [2022-11-21 22:06:09,574 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 22:06:09,575 INFO L158 Benchmark]: Toolchain (without parser) took 3608.83ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 110.4MB in the beginning and 131.3MB in the end (delta: -20.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:06:09,576 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 100.7MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:06:09,576 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1395.78ms. Allocated memory is still 148.9MB. Free memory was 110.0MB in the beginning and 85.7MB in the end (delta: 24.3MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2022-11-21 22:06:09,577 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.24ms. Allocated memory is still 148.9MB. Free memory was 85.7MB in the beginning and 82.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 22:06:09,577 INFO L158 Benchmark]: Boogie Preprocessor took 57.90ms. Allocated memory is still 148.9MB. Free memory was 82.2MB in the beginning and 80.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:06:09,578 INFO L158 Benchmark]: RCFGBuilder took 573.82ms. Allocated memory is still 148.9MB. Free memory was 80.8MB in the beginning and 66.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-21 22:06:09,578 INFO L158 Benchmark]: CodeCheck took 1404.64ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 66.1MB in the beginning and 134.4MB in the end (delta: -68.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 22:06:09,579 INFO L158 Benchmark]: Witness Printer took 86.90ms. Allocated memory is still 180.4MB. Free memory was 134.4MB in the beginning and 131.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 22:06:09,581 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, 27 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 165 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 93 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 83 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 435 GetRequests, 417 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 94 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 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: 1554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: 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: 1595]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76ms. Allocated memory is still 100.7MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1395.78ms. Allocated memory is still 148.9MB. Free memory was 110.0MB in the beginning and 85.7MB in the end (delta: 24.3MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.24ms. Allocated memory is still 148.9MB. Free memory was 85.7MB in the beginning and 82.2MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.90ms. Allocated memory is still 148.9MB. Free memory was 82.2MB in the beginning and 80.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 573.82ms. Allocated memory is still 148.9MB. Free memory was 80.8MB in the beginning and 66.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1404.64ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 66.1MB in the beginning and 134.4MB in the end (delta: -68.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 86.90ms. Allocated memory is still 180.4MB. Free memory was 134.4MB in the beginning and 131.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-11-21 22:06:09,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3124fd55-5939-4541-8c41-cecc6f28dc73/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