./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL --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 7c3324437e341d7b098e9dbe6dd9e58a346a05f3c2760e7195364eab0a0f1d45 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:21:50,093 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:21:50,220 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:21:50,228 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:21:50,229 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:21:50,271 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:21:50,272 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:21:50,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:21:50,274 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:21:50,280 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:21:50,281 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:21:50,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:21:50,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:21:50,284 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:21:50,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:21:50,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:21:50,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:21:50,287 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:21:50,287 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:21:50,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:21:50,288 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:21:50,289 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:21:50,290 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:21:50,290 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:21:50,292 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:21:50,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:50,294 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:21:50,294 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:21:50,295 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:21:50,295 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:21:50,297 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:21:50,298 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:21:50,298 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_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c3324437e341d7b098e9dbe6dd9e58a346a05f3c2760e7195364eab0a0f1d45 [2023-11-19 03:21:50,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:21:50,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:21:50,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:21:50,591 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:21:50,591 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:21:50,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i [2023-11-19 03:21:53,771 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:21:54,183 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:21:54,186 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_65_good.i [2023-11-19 03:21:54,220 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/data/b69af216c/d54bce45fd1542fb84db6b9d864ec576/FLAGaf5116f11 [2023-11-19 03:21:54,235 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/data/b69af216c/d54bce45fd1542fb84db6b9d864ec576 [2023-11-19 03:21:54,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:21:54,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:21:54,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:54,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:21:54,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:21:54,255 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:54" (1/1) ... [2023-11-19 03:21:54,256 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c773fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:54, skipping insertion in model container [2023-11-19 03:21:54,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:21:54" (1/1) ... [2023-11-19 03:21:54,371 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:21:54,778 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:21:55,445 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:55,458 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:21:55,497 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:21:55,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:21:55,791 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:55,792 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:55,792 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:55,792 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:55,793 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:55,793 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:55,794 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:21:55,803 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:21:55,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:55 WrapperNode [2023-11-19 03:21:55,804 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:21:55,805 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:55,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:21:55,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:21:55,815 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:55" (1/1) ... [2023-11-19 03:21:55,870 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:55" (1/1) ... [2023-11-19 03:21:55,926 INFO L138 Inliner]: procedures = 505, calls = 73, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 74 [2023-11-19 03:21:55,927 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:21:55,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:21:55,928 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:21:55,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:21:55,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:55" (1/1) ... [2023-11-19 03:21:55,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:55" (1/1) ... [2023-11-19 03:21:55,954 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:55" (1/1) ... [2023-11-19 03:21:55,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:55" (1/1) ... [2023-11-19 03:21:55,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:55" (1/1) ... [2023-11-19 03:21:55,990 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:55" (1/1) ... [2023-11-19 03:21:55,992 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:55" (1/1) ... [2023-11-19 03:21:55,994 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:55" (1/1) ... [2023-11-19 03:21:55,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:21:55,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:21:55,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:21:56,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:21:56,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:21:55" (1/1) ... [2023-11-19 03:21:56,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:21:56,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:21:56,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:21:56,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:21:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:21:56,112 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:21:56,112 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:21:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:21:56,113 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:21:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:21:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:21:56,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:21:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2023-11-19 03:21:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2023-11-19 03:21:56,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:21:56,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:21:56,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:21:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:21:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:21:56,370 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:21:56,373 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:21:56,577 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:21:56,638 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:21:56,638 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:21:56,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:56 BoogieIcfgContainer [2023-11-19 03:21:56,644 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:21:56,645 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:21:56,645 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:21:56,656 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:21:56,656 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:56" (1/1) ... [2023-11-19 03:21:56,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:21:56,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:56,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 36 states and 43 transitions. [2023-11-19 03:21:56,734 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-11-19 03:21:56,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:21:56,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:56,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:57,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:57,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:57,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 39 states and 48 transitions. [2023-11-19 03:21:57,255 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2023-11-19 03:21:57,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:21:57,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:57,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:57,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:57,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 41 states and 50 transitions. [2023-11-19 03:21:57,421 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-19 03:21:57,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:21:57,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:57,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:57,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:57,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:57,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 42 states and 51 transitions. [2023-11-19 03:21:57,523 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-11-19 03:21:57,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:21:57,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:57,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:57,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:57,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:57,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 43 states and 52 transitions. [2023-11-19 03:21:57,625 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-11-19 03:21:57,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:21:57,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:57,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:57,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:57,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:58,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:58,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 48 states and 60 transitions. [2023-11-19 03:21:58,217 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-19 03:21:58,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:21:58,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:58,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:58,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:58,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:58,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 50 states and 62 transitions. [2023-11-19 03:21:58,554 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 62 transitions. [2023-11-19 03:21:58,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:21:58,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:58,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:58,791 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:21:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:59,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 68 transitions. [2023-11-19 03:21:59,400 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-19 03:21:59,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:21:59,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:59,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:59,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:21:59,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:21:59,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 67 transitions. [2023-11-19 03:21:59,722 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-11-19 03:21:59,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:21:59,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:21:59,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:21:59,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:21:59,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:22:00,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:00,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 44 states and 55 transitions. [2023-11-19 03:22:00,330 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2023-11-19 03:22:00,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:22:00,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:22:00,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:22:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:22:00,430 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:22:01,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:22:01,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 53 transitions. [2023-11-19 03:22:01,300 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2023-11-19 03:22:01,301 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:22:01,301 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-11-19 03:22:01,310 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 03:22:01,412 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:22:01,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:22:01 ImpRootNode [2023-11-19 03:22:01,417 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:22:01,417 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:22:01,417 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:22:01,418 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:22:01,418 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:21:56" (3/4) ... [2023-11-19 03:22:01,420 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:22:01,424 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:22:01,424 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:22:01,425 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2023-11-19 03:22:01,429 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-11-19 03:22:01,430 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-19 03:22:01,430 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:22:01,431 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:22:01,532 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:22:01,533 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:22:01,533 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:22:01,534 INFO L158 Benchmark]: Toolchain (without parser) took 7294.28ms. Allocated memory was 132.1MB in the beginning and 197.1MB in the end (delta: 65.0MB). Free memory was 84.3MB in the beginning and 84.6MB in the end (delta: -243.8kB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2023-11-19 03:22:01,534 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:22:01,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1555.51ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 84.3MB in the beginning and 97.3MB in the end (delta: -13.0MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2023-11-19 03:22:01,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.03ms. Allocated memory is still 163.6MB. Free memory was 97.3MB in the beginning and 94.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:22:01,536 INFO L158 Benchmark]: Boogie Preprocessor took 70.75ms. Allocated memory is still 163.6MB. Free memory was 94.6MB in the beginning and 92.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:22:01,537 INFO L158 Benchmark]: RCFGBuilder took 644.51ms. Allocated memory is still 163.6MB. Free memory was 92.5MB in the beginning and 76.5MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:22:01,537 INFO L158 Benchmark]: CodeCheck took 4772.18ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 76.5MB in the beginning and 89.7MB in the end (delta: -13.2MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2023-11-19 03:22:01,538 INFO L158 Benchmark]: Witness Printer took 116.08ms. Allocated memory is still 197.1MB. Free memory was 89.7MB in the beginning and 84.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:22:01,540 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 4 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 474 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 300 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 248 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 696 IncrementalHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 248 mSolverCounterUnsat, 240 mSDtfsCounter, 696 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1475 GetRequests, 1388 SyntacticMatches, 9 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1594 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 179 ConstructedInterpolants, 0 QuantifiedInterpolants, 327 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 22/22 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: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: 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: 1586]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 132.1MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1555.51ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 84.3MB in the beginning and 97.3MB in the end (delta: -13.0MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.03ms. Allocated memory is still 163.6MB. Free memory was 97.3MB in the beginning and 94.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.75ms. Allocated memory is still 163.6MB. Free memory was 94.6MB in the beginning and 92.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 644.51ms. Allocated memory is still 163.6MB. Free memory was 92.5MB in the beginning and 76.5MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 4772.18ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 76.5MB in the beginning and 89.7MB in the end (delta: -13.2MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. * Witness Printer took 116.08ms. Allocated memory is still 197.1MB. Free memory was 89.7MB in the beginning and 84.6MB 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! [2023-11-19 03:22:01,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_55f88a5a-3c24-41ea-be1f-55b313592379/bin/ukojak-verify-G8NBE6pJGL/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