./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --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 3a49e4bdbe89baf77a9ea03fdadf54fb13c2e8626e425d4f4f58f31d8fb15bc7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:52:01,042 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:52:01,171 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:52:01,184 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:52:01,185 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:52:01,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:52:01,227 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:52:01,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:52:01,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:52:01,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:52:01,235 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:52:01,236 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:52:01,236 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:52:01,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:52:01,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:52:01,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:52:01,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:52:01,240 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:52:01,240 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:52:01,241 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:52:01,241 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:52:01,242 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:52:01,243 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:52:01,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:52:01,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:01,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:52:01,245 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:52:01,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:52:01,246 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:52:01,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:52:01,248 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:52:01,249 INFO L153 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_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a49e4bdbe89baf77a9ea03fdadf54fb13c2e8626e425d4f4f58f31d8fb15bc7 [2023-11-11 23:52:01,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:52:01,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:52:01,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:52:01,635 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:52:01,636 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:52:01,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_good.i [2023-11-11 23:52:04,813 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:52:05,249 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:52:05,250 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_10_good.i [2023-11-11 23:52:05,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/data/398a63633/5458afc0e42e4f07a5d6e79e210d0ef6/FLAG8b675ef29 [2023-11-11 23:52:05,293 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/data/398a63633/5458afc0e42e4f07a5d6e79e210d0ef6 [2023-11-11 23:52:05,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:52:05,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:52:05,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:05,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:52:05,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:52:05,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:05" (1/1) ... [2023-11-11 23:52:05,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72111fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:05, skipping insertion in model container [2023-11-11 23:52:05,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:05" (1/1) ... [2023-11-11 23:52:05,396 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:05,801 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:52:06,443 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:06,456 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:52:06,492 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:52:06,642 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:06,772 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:06,773 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:06,773 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:06,773 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:06,773 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:52:06,782 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:52:06,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:06 WrapperNode [2023-11-11 23:52:06,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:06,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:06,785 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:52:06,785 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:52:06,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:06" (1/1) ... [2023-11-11 23:52:06,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:06" (1/1) ... [2023-11-11 23:52:06,873 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 92 [2023-11-11 23:52:06,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:06,875 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:52:06,875 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:52:06,875 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:52:06,891 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:06" (1/1) ... [2023-11-11 23:52:06,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:06" (1/1) ... [2023-11-11 23:52:06,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:06" (1/1) ... [2023-11-11 23:52:06,896 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:06" (1/1) ... [2023-11-11 23:52:06,914 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:06" (1/1) ... [2023-11-11 23:52:06,916 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:06" (1/1) ... [2023-11-11 23:52:06,918 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:06" (1/1) ... [2023-11-11 23:52:06,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:06" (1/1) ... [2023-11-11 23:52:06,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:52:06,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:52:06,924 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:52:06,924 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:52:06,925 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:06" (1/1) ... [2023-11-11 23:52:06,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:06,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:52:06,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:52:06,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:52:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:52:07,006 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:52:07,006 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:52:07,007 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:52:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:52:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:52:07,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:52:07,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:52:07,153 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:07,155 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:52:07,352 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:52:07,437 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:52:07,438 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:52:07,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:07 BoogieIcfgContainer [2023-11-11 23:52:07,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:52:07,441 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:52:07,442 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:52:07,452 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:52:07,453 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:07" (1/1) ... [2023-11-11 23:52:07,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:52:07,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:07,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2023-11-11 23:52:07,520 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2023-11-11 23:52:07,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:52:07,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:07,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:07,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:07,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:07,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 62 transitions. [2023-11-11 23:52:07,892 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2023-11-11 23:52:07,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:52:07,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:07,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:08,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:08,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:08,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions. [2023-11-11 23:52:08,163 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-11-11 23:52:08,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:52:08,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:08,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:08,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:08,268 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:52:08,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:08,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 58 transitions. [2023-11-11 23:52:08,379 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2023-11-11 23:52:08,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:52:08,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:08,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:08,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:52:08,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:08,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 57 transitions. [2023-11-11 23:52:08,533 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2023-11-11 23:52:08,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:52:08,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:08,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:08,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:52:08,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:08,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 48 states and 61 transitions. [2023-11-11 23:52:08,992 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2023-11-11 23:52:08,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:52:08,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:08,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:09,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:52:09,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:09,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 48 states and 60 transitions. [2023-11-11 23:52:09,191 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-11 23:52:09,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:52:09,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:09,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:09,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:09,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 36 states and 43 transitions. [2023-11-11 23:52:09,660 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-11-11 23:52:09,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:52:09,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:09,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:09,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:52:09,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:09,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 38 states and 47 transitions. [2023-11-11 23:52:09,797 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2023-11-11 23:52:09,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:52:09,798 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:09,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:09,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:09,875 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:52:09,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:09,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 41 states and 52 transitions. [2023-11-11 23:52:09,983 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2023-11-11 23:52:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:52:09,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:09,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:10,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:10,029 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:52:10,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:10,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 33 states and 38 transitions. [2023-11-11 23:52:10,505 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-11 23:52:10,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:52:10,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:10,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:10,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:10,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:52:10,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:10,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 33 states and 37 transitions. [2023-11-11 23:52:10,849 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-11 23:52:10,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:52:10,851 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:10,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:10,986 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:52:11,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:11,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 32 states and 36 transitions. [2023-11-11 23:52:11,194 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2023-11-11 23:52:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:52:11,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:11,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:11,319 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:52:11,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:11,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 31 states and 35 transitions. [2023-11-11 23:52:11,463 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-11 23:52:11,464 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:52:11,464 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 14 iterations. [2023-11-11 23:52:11,477 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-11 23:52:11,637 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:52:11,642 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:52:11 ImpRootNode [2023-11-11 23:52:11,642 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:52:11,643 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:52:11,643 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:52:11,643 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:52:11,644 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:07" (3/4) ... [2023-11-11 23:52:11,646 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:52:11,649 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:52:11,650 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:52:11,655 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-11 23:52:11,655 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-11 23:52:11,656 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-11 23:52:11,656 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:52:11,772 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:52:11,775 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:52:11,775 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:52:11,777 INFO L158 Benchmark]: Toolchain (without parser) took 6478.68ms. Allocated memory is still 146.8MB. Free memory was 96.5MB in the beginning and 90.5MB in the end (delta: 6.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:52:11,778 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 113.2MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:11,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1485.03ms. Allocated memory is still 146.8MB. Free memory was 96.1MB in the beginning and 77.4MB in the end (delta: 18.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-11 23:52:11,779 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.54ms. Allocated memory is still 146.8MB. Free memory was 77.4MB in the beginning and 74.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:52:11,779 INFO L158 Benchmark]: Boogie Preprocessor took 48.63ms. Allocated memory is still 146.8MB. Free memory was 74.6MB in the beginning and 72.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:52:11,779 INFO L158 Benchmark]: RCFGBuilder took 516.88ms. Allocated memory is still 146.8MB. Free memory was 72.6MB in the beginning and 113.8MB in the end (delta: -41.2MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-11-11 23:52:11,781 INFO L158 Benchmark]: CodeCheck took 4200.82ms. Allocated memory is still 146.8MB. Free memory was 113.8MB in the beginning and 95.7MB in the end (delta: 18.0MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-11-11 23:52:11,781 INFO L158 Benchmark]: Witness Printer took 132.39ms. Allocated memory is still 146.8MB. Free memory was 95.7MB in the beginning and 90.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:52:11,786 INFO L338 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, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1247 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 307 mSDsluCounter, 918 SdHoareTripleChecker+Invalid, 1.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 208 mSDsCounter, 300 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 979 IncrementalHoareTripleChecker+Invalid, 1279 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 300 mSolverCounterUnsat, 710 mSDtfsCounter, 979 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1946 GetRequests, 1859 SyntacticMatches, 7 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2541 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 534 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 50/50 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 113.2MB. Free memory is still 89.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1485.03ms. Allocated memory is still 146.8MB. Free memory was 96.1MB in the beginning and 77.4MB in the end (delta: 18.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.54ms. Allocated memory is still 146.8MB. Free memory was 77.4MB in the beginning and 74.6MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.63ms. Allocated memory is still 146.8MB. Free memory was 74.6MB in the beginning and 72.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.88ms. Allocated memory is still 146.8MB. Free memory was 72.6MB in the beginning and 113.8MB in the end (delta: -41.2MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. * CodeCheck took 4200.82ms. Allocated memory is still 146.8MB. Free memory was 113.8MB in the beginning and 95.7MB in the end (delta: 18.0MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Witness Printer took 132.39ms. Allocated memory is still 146.8MB. Free memory was 95.7MB in the beginning and 90.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:52:11,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b662958f-bd4a-47d7-b837-34766a575f23/bin/ukojak-verify-0OAaufAVZV/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