./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi --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 00fb5792a8c12571361ea759faff804955d813ecd7b86a006682b672ba238625 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:39,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:39,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:55:39,936 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:39,937 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:39,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:39,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:39,964 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:39,965 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:39,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:39,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:39,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:39,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:39,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:39,969 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:39,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:39,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:39,970 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:39,971 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:39,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:39,972 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:39,972 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:39,973 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:39,973 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:39,974 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:39,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:39,975 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:39,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:39,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:39,976 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:39,977 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:39,977 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:39,978 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_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00fb5792a8c12571361ea759faff804955d813ecd7b86a006682b672ba238625 [2023-11-24 22:55:40,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:40,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:40,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:40,244 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:40,245 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:40,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_09_good.i [2023-11-24 22:55:43,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:44,033 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:44,034 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_add_09_good.i [2023-11-24 22:55:44,074 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/data/65acf8910/acacffb7eda744aba323be09975b632d/FLAG3b6e376ef [2023-11-24 22:55:44,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/data/65acf8910/acacffb7eda744aba323be09975b632d [2023-11-24 22:55:44,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:44,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:44,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:44,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:44,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:44,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:44" (1/1) ... [2023-11-24 22:55:44,126 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ef87247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:44, skipping insertion in model container [2023-11-24 22:55:44,127 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:44" (1/1) ... [2023-11-24 22:55:44,217 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:45,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:45,180 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:45,344 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:45,481 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:45,481 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:45,481 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:45,482 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:45,489 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:45,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45 WrapperNode [2023-11-24 22:55:45,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:45,491 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:45,492 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:45,492 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:45,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,595 INFO L138 Inliner]: procedures = 502, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 91 [2023-11-24 22:55:45,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:45,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:45,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:45,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:45,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,629 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,657 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,660 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:45,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:45,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:45,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:45,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:45" (1/1) ... [2023-11-24 22:55:45,668 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:45,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:45,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:45,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:45,739 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:55:45,739 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:55:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:55:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:55:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:45,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:45,741 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:55:45,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:45,904 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:45,907 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:46,134 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:46,225 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:46,225 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:55:46,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:46 BoogieIcfgContainer [2023-11-24 22:55:46,227 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:46,228 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:46,229 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:46,239 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:46,239 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:46" (1/1) ... [2023-11-24 22:55:46,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:46,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:46,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2023-11-24 22:55:46,305 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-11-24 22:55:46,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:55:46,326 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:46,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:46,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:46,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:46,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2023-11-24 22:55:46,804 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2023-11-24 22:55:46,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:55:46,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:46,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:46,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:46,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:46,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2023-11-24 22:55:46,976 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2023-11-24 22:55:46,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 22:55:46,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:46,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:47,065 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:47,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:47,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 61 transitions. [2023-11-24 22:55:47,190 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2023-11-24 22:55:47,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:55:47,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:47,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:47,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:47,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:47,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 65 transitions. [2023-11-24 22:55:47,701 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2023-11-24 22:55:47,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:47,704 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:47,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:47,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:47,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:55:47,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:47,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 52 states and 64 transitions. [2023-11-24 22:55:47,933 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2023-11-24 22:55:47,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:55:47,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:47,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:48,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:48,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:48,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 46 transitions. [2023-11-24 22:55:48,473 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-11-24 22:55:48,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:55:48,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:48,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:48,537 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:48,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:48,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 41 states and 50 transitions. [2023-11-24 22:55:48,585 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-24 22:55:48,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:55:48,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:48,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:48,625 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:48,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:48,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 42 states and 51 transitions. [2023-11-24 22:55:48,643 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-11-24 22:55:48,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:55:48,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:48,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:48,699 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:48,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:48,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 43 states and 52 transitions. [2023-11-24 22:55:48,863 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-11-24 22:55:48,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 22:55:48,864 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:48,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:48,903 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:55:49,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:49,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 35 states and 39 transitions. [2023-11-24 22:55:49,258 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-24 22:55:49,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 22:55:49,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:49,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:49,384 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:49,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 34 states and 38 transitions. [2023-11-24 22:55:49,469 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-11-24 22:55:49,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:55:49,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:49,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:49,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:55:49,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:49,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 33 states and 37 transitions. [2023-11-24 22:55:49,579 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-24 22:55:49,579 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:55:49,579 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-11-24 22:55:49,594 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 22:55:49,832 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:55:49,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:55:49 ImpRootNode [2023-11-24 22:55:49,837 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:55:49,837 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:55:49,837 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:55:49,838 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:55:49,839 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:46" (3/4) ... [2023-11-24 22:55:49,846 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:55:49,850 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:55:49,850 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:55:49,859 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-24 22:55:49,859 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 22:55:49,860 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:55:49,860 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:55:50,011 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:55:50,012 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:55:50,012 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:55:50,013 INFO L158 Benchmark]: Toolchain (without parser) took 5901.92ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 104.3MB in the beginning and 137.1MB in the end (delta: -32.8MB). Peak memory consumption was 1.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:50,013 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:50,013 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1375.71ms. Allocated memory is still 151.0MB. Free memory was 103.8MB in the beginning and 78.7MB in the end (delta: 25.2MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-11-24 22:55:50,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.90ms. Allocated memory is still 151.0MB. Free memory was 78.7MB in the beginning and 75.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:50,014 INFO L158 Benchmark]: Boogie Preprocessor took 63.27ms. Allocated memory is still 151.0MB. Free memory was 75.7MB in the beginning and 74.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:50,015 INFO L158 Benchmark]: RCFGBuilder took 566.82ms. Allocated memory is still 151.0MB. Free memory was 74.5MB in the beginning and 56.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 22:55:50,015 INFO L158 Benchmark]: CodeCheck took 3608.24ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 56.5MB in the beginning and 142.4MB in the end (delta: -85.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-24 22:55:50,016 INFO L158 Benchmark]: Witness Printer took 174.72ms. Allocated memory is still 182.5MB. Free memory was 142.4MB in the beginning and 137.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:55:50,018 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, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1137 SdHoareTripleChecker+Valid, 2.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 322 mSDsluCounter, 892 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 214 mSDsCounter, 260 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 889 IncrementalHoareTripleChecker+Invalid, 1149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 260 mSolverCounterUnsat, 678 mSDtfsCounter, 889 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1871 GetRequests, 1803 SyntacticMatches, 8 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1293 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 515 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 48/48 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: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1585]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1625]: 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: 1642]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 56.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1375.71ms. Allocated memory is still 151.0MB. Free memory was 103.8MB in the beginning and 78.7MB in the end (delta: 25.2MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.90ms. Allocated memory is still 151.0MB. Free memory was 78.7MB in the beginning and 75.7MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.27ms. Allocated memory is still 151.0MB. Free memory was 75.7MB in the beginning and 74.5MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 566.82ms. Allocated memory is still 151.0MB. Free memory was 74.5MB in the beginning and 56.5MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 3608.24ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 56.5MB in the beginning and 142.4MB in the end (delta: -85.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 174.72ms. Allocated memory is still 182.5MB. Free memory was 142.4MB in the beginning and 137.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:55:50,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5b077ef6-19b3-4d2b-a6cf-6a059369441e/bin/ukojak-verify-afCqCEvfdi/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