./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_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_4196127c-706e-4555-8e7b-ea41f68e5589/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4196127c-706e-4555-8e7b-ea41f68e5589/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_4196127c-706e-4555-8e7b-ea41f68e5589/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4196127c-706e-4555-8e7b-ea41f68e5589/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4196127c-706e-4555-8e7b-ea41f68e5589/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_4196127c-706e-4555-8e7b-ea41f68e5589/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 c6e9ba745b0adbba739a4781983ebf16a877e36fcd11f807039d7ddfaee04897 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:58:32,560 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:58:32,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4196127c-706e-4555-8e7b-ea41f68e5589/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:58:32,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:58:32,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:58:32,699 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:58:32,702 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:58:32,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:58:32,704 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:58:32,709 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:58:32,710 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:58:32,710 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:58:32,711 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:58:32,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:58:32,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:58:32,714 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:58:32,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:58:32,715 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:58:32,715 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:58:32,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:58:32,716 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:58:32,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:58:32,717 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:58:32,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:58:32,718 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:32,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:58:32,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:58:32,720 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:58:32,720 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:58:32,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:58:32,722 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:58:32,722 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_4196127c-706e-4555-8e7b-ea41f68e5589/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4196127c-706e-4555-8e7b-ea41f68e5589/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c6e9ba745b0adbba739a4781983ebf16a877e36fcd11f807039d7ddfaee04897 [2023-11-11 23:58:32,979 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:58:33,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:58:33,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:58:33,014 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:58:33,015 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:58:33,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4196127c-706e-4555-8e7b-ea41f68e5589/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_good.i [2023-11-11 23:58:36,053 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:58:36,501 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:58:36,502 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4196127c-706e-4555-8e7b-ea41f68e5589/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_18_good.i [2023-11-11 23:58:36,538 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4196127c-706e-4555-8e7b-ea41f68e5589/bin/ukojak-verify-0OAaufAVZV/data/e09dea301/bf0d11aba6cf4b4fa42652a51cf3782b/FLAGc7304a266 [2023-11-11 23:58:36,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4196127c-706e-4555-8e7b-ea41f68e5589/bin/ukojak-verify-0OAaufAVZV/data/e09dea301/bf0d11aba6cf4b4fa42652a51cf3782b [2023-11-11 23:58:36,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:58:36,566 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:58:36,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:36,569 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:58:36,575 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:58:36,577 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:36" (1/1) ... [2023-11-11 23:58:36,579 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3070d0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:36, skipping insertion in model container [2023-11-11 23:58:36,579 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:58:36" (1/1) ... [2023-11-11 23:58:36,658 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:58:37,065 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:58:37,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:37,693 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:58:37,715 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:58:37,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:58:37,974 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:37,974 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:37,975 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:37,975 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:37,975 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:58:37,984 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:58:37,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:37 WrapperNode [2023-11-11 23:58:37,985 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:58:37,986 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:37,986 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:58:37,986 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:58:37,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:37" (1/1) ... [2023-11-11 23:58:38,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:37" (1/1) ... [2023-11-11 23:58:38,075 INFO L138 Inliner]: procedures = 501, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2023-11-11 23:58:38,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:58:38,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:58:38,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:58:38,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:58:38,093 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:37" (1/1) ... [2023-11-11 23:58:38,093 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:37" (1/1) ... [2023-11-11 23:58:38,097 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:37" (1/1) ... [2023-11-11 23:58:38,097 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:37" (1/1) ... [2023-11-11 23:58:38,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:37" (1/1) ... [2023-11-11 23:58:38,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:37" (1/1) ... [2023-11-11 23:58:38,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:37" (1/1) ... [2023-11-11 23:58:38,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:37" (1/1) ... [2023-11-11 23:58:38,114 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:58:38,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:58:38,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:58:38,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:58:38,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:58:37" (1/1) ... [2023-11-11 23:58:38,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:58:38,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4196127c-706e-4555-8e7b-ea41f68e5589/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:58:38,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4196127c-706e-4555-8e7b-ea41f68e5589/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:58:38,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4196127c-706e-4555-8e7b-ea41f68e5589/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:58:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:58:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:58:38,194 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:58:38,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:58:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:58:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-11 23:58:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:58:38,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:58:38,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:58:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:58:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:58:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:58:38,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:58:38,349 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:58:38,352 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:58:38,529 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:58:38,591 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:58:38,591 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:58:38,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:38 BoogieIcfgContainer [2023-11-11 23:58:38,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:58:38,601 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:58:38,601 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:58:38,610 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:58:38,610 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:38" (1/1) ... [2023-11-11 23:58:38,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:58:38,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:38,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2023-11-11 23:58:38,675 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-11 23:58:38,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:58:38,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:38,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:39,166 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 23:58:39,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:39,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-11-11 23:58:39,254 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-11 23:58:39,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:58:39,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:39,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:39,451 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 23:58:39,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:39,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2023-11-11 23:58:39,647 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-11-11 23:58:39,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:58:39,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:39,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:39,750 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 23:58:39,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:39,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2023-11-11 23:58:39,791 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2023-11-11 23:58:39,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:58:39,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:58:39,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:58:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:58:39,887 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 23:58:39,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:58:39,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2023-11-11 23:58:39,969 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2023-11-11 23:58:39,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:58:39,970 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-11 23:58:39,980 INFO L753 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-11 23:58:40,009 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:58:40,014 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:58:40,014 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:58:40,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:58:40 ImpRootNode [2023-11-11 23:58:40,015 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:58:40,016 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:58:40,016 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:58:40,016 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:58:40,017 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:58:38" (3/4) ... [2023-11-11 23:58:40,019 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:58:40,022 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:58:40,023 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:58:40,028 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-11 23:58:40,028 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-11 23:58:40,029 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-11 23:58:40,029 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:58:40,115 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4196127c-706e-4555-8e7b-ea41f68e5589/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:58:40,116 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4196127c-706e-4555-8e7b-ea41f68e5589/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:58:40,116 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:58:40,117 INFO L158 Benchmark]: Toolchain (without parser) took 3551.62ms. Allocated memory is still 169.9MB. Free memory was 124.2MB in the beginning and 119.6MB in the end (delta: 4.6MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:40,118 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory was 75.1MB in the beginning and 74.9MB in the end (delta: 178.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:40,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1416.44ms. Allocated memory is still 169.9MB. Free memory was 123.7MB in the beginning and 62.8MB in the end (delta: 60.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-11 23:58:40,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.02ms. Allocated memory is still 169.9MB. Free memory was 62.8MB in the beginning and 138.4MB in the end (delta: -75.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2023-11-11 23:58:40,119 INFO L158 Benchmark]: Boogie Preprocessor took 30.10ms. Allocated memory is still 169.9MB. Free memory was 138.4MB in the beginning and 136.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:58:40,120 INFO L158 Benchmark]: RCFGBuilder took 485.25ms. Allocated memory is still 169.9MB. Free memory was 136.6MB in the beginning and 119.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:58:40,120 INFO L158 Benchmark]: CodeCheck took 1414.12ms. Allocated memory is still 169.9MB. Free memory was 119.8MB in the beginning and 124.8MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:58:40,121 INFO L158 Benchmark]: Witness Printer took 100.75ms. Allocated memory is still 169.9MB. Free memory was 124.8MB in the beginning and 119.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:58:40,123 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, 25 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 75 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 26 mSDtfsCounter, 116 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 248 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: 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: 1593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1591]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 127.9MB. Free memory was 75.1MB in the beginning and 74.9MB in the end (delta: 178.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1416.44ms. Allocated memory is still 169.9MB. Free memory was 123.7MB in the beginning and 62.8MB in the end (delta: 60.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.02ms. Allocated memory is still 169.9MB. Free memory was 62.8MB in the beginning and 138.4MB in the end (delta: -75.7MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.10ms. Allocated memory is still 169.9MB. Free memory was 138.4MB in the beginning and 136.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 485.25ms. Allocated memory is still 169.9MB. Free memory was 136.6MB in the beginning and 119.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1414.12ms. Allocated memory is still 169.9MB. Free memory was 119.8MB in the beginning and 124.8MB in the end (delta: -5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 100.75ms. Allocated memory is still 169.9MB. Free memory was 124.8MB in the beginning and 119.6MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:58:40,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4196127c-706e-4555-8e7b-ea41f68e5589/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