./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_42_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_11e05a12-6ad6-4db9-b099-eec1f8970924/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e05a12-6ad6-4db9-b099-eec1f8970924/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_11e05a12-6ad6-4db9-b099-eec1f8970924/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e05a12-6ad6-4db9-b099-eec1f8970924/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_42_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e05a12-6ad6-4db9-b099-eec1f8970924/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_11e05a12-6ad6-4db9-b099-eec1f8970924/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 70c8866e19d0ad7002940bddf719ef61f2c846ed08090889642e412a49934e9a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:58:04,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:58:05,067 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e05a12-6ad6-4db9-b099-eec1f8970924/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:58:05,073 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:58:05,073 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:58:05,098 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:58:05,099 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:58:05,100 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:58:05,101 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:58:05,101 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:58:05,102 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:58:05,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:58:05,103 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:58:05,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:58:05,105 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:58:05,105 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:58:05,106 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:58:05,106 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:58:05,107 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:58:05,107 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:58:05,108 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:58:05,109 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:58:05,109 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:58:05,110 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:58:05,110 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:58:05,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:05,111 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:58:05,111 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:58:05,112 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:58:05,112 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:58:05,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:58:05,113 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:58:05,114 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_11e05a12-6ad6-4db9-b099-eec1f8970924/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e05a12-6ad6-4db9-b099-eec1f8970924/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70c8866e19d0ad7002940bddf719ef61f2c846ed08090889642e412a49934e9a [2023-11-19 03:58:05,364 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:58:05,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:58:05,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:58:05,397 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:58:05,398 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:58:05,399 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e05a12-6ad6-4db9-b099-eec1f8970924/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_42_good.i [2023-11-19 03:58:08,492 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:58:08,914 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:58:08,915 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e05a12-6ad6-4db9-b099-eec1f8970924/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_42_good.i [2023-11-19 03:58:08,942 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e05a12-6ad6-4db9-b099-eec1f8970924/bin/ukojak-verify-G8NBE6pJGL/data/d6c1a55b6/0dafc30eeb294cd0841895d70606a344/FLAGacd1d5021 [2023-11-19 03:58:08,956 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e05a12-6ad6-4db9-b099-eec1f8970924/bin/ukojak-verify-G8NBE6pJGL/data/d6c1a55b6/0dafc30eeb294cd0841895d70606a344 [2023-11-19 03:58:08,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:58:08,960 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:58:08,962 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:08,962 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:58:08,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:58:08,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:08" (1/1) ... [2023-11-19 03:58:08,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41402735 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:08, skipping insertion in model container [2023-11-19 03:58:08,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:58:08" (1/1) ... [2023-11-19 03:58:09,053 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:58:09,388 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:58:09,860 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:09,870 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:58:09,893 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:58:09,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:58:10,150 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:10,150 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:10,151 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:10,151 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:10,151 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:58:10,159 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:58:10,159 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:10 WrapperNode [2023-11-19 03:58:10,159 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:58:10,161 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:10,161 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:58:10,161 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:58:10,168 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:10" (1/1) ... [2023-11-19 03:58:10,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:10" (1/1) ... [2023-11-19 03:58:10,232 INFO L138 Inliner]: procedures = 503, calls = 63, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 67 [2023-11-19 03:58:10,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:58:10,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:58:10,233 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:58:10,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:58:10,244 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:10" (1/1) ... [2023-11-19 03:58:10,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:10" (1/1) ... [2023-11-19 03:58:10,248 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:10" (1/1) ... [2023-11-19 03:58:10,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:10" (1/1) ... [2023-11-19 03:58:10,254 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:10" (1/1) ... [2023-11-19 03:58:10,256 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:10" (1/1) ... [2023-11-19 03:58:10,258 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:10" (1/1) ... [2023-11-19 03:58:10,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:10" (1/1) ... [2023-11-19 03:58:10,262 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:58:10,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:58:10,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:58:10,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:58:10,265 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:58:10" (1/1) ... [2023-11-19 03:58:10,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:58:10,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e05a12-6ad6-4db9-b099-eec1f8970924/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:58:10,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e05a12-6ad6-4db9-b099-eec1f8970924/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:58:10,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e05a12-6ad6-4db9-b099-eec1f8970924/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:58:10,348 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:58:10,349 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:58:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:58:10,350 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:58:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:58:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:58:10,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:58:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:58:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:58:10,528 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:58:10,531 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:58:10,743 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:58:10,786 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:58:10,787 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:58:10,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:10 BoogieIcfgContainer [2023-11-19 03:58:10,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:58:10,793 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:58:10,793 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:58:10,804 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:58:10,804 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:10" (1/1) ... [2023-11-19 03:58:10,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:58:10,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:10,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2023-11-19 03:58:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-19 03:58:10,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:58:10,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:10,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:11,185 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 03:58:11,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:11,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 20 transitions. [2023-11-19 03:58:11,245 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-11-19 03:58:11,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:58:11,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:11,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:11,358 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 03:58:11,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:11,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 19 transitions. [2023-11-19 03:58:11,379 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-19 03:58:11,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:58:11,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:11,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:11,463 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 03:58:11,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:11,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 18 transitions. [2023-11-19 03:58:11,517 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-19 03:58:11,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:58:11,518 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-19 03:58:11,527 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 03:58:11,544 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:58:11,549 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:58:11,549 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:58:11,550 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:58:11 ImpRootNode [2023-11-19 03:58:11,550 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:58:11,550 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:58:11,551 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:58:11,551 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:58:11,551 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:58:10" (3/4) ... [2023-11-19 03:58:11,553 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:58:11,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:58:11,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:58:11,562 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 03:58:11,563 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-19 03:58:11,563 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 03:58:11,563 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:58:11,667 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e05a12-6ad6-4db9-b099-eec1f8970924/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:58:11,668 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e05a12-6ad6-4db9-b099-eec1f8970924/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:58:11,668 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:58:11,669 INFO L158 Benchmark]: Toolchain (without parser) took 2708.69ms. Allocated memory is still 184.5MB. Free memory was 135.7MB in the beginning and 76.4MB in the end (delta: 59.4MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2023-11-19 03:58:11,669 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:58:11,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1198.34ms. Allocated memory is still 184.5MB. Free memory was 135.2MB in the beginning and 137.2MB in the end (delta: -2.0MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. [2023-11-19 03:58:11,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.75ms. Allocated memory is still 184.5MB. Free memory was 137.2MB in the beginning and 134.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:11,671 INFO L158 Benchmark]: Boogie Preprocessor took 29.62ms. Allocated memory is still 184.5MB. Free memory was 134.1MB in the beginning and 133.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:58:11,671 INFO L158 Benchmark]: RCFGBuilder took 528.65ms. Allocated memory is still 184.5MB. Free memory was 133.0MB in the beginning and 117.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:58:11,672 INFO L158 Benchmark]: CodeCheck took 757.26ms. Allocated memory is still 184.5MB. Free memory was 117.3MB in the beginning and 82.5MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:58:11,672 INFO L158 Benchmark]: Witness Printer took 117.69ms. Allocated memory is still 184.5MB. Free memory was 82.5MB in the beginning and 76.4MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:58:11,675 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: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 67 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 26 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 181 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 37 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - 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 - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1595]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1569]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 125.8MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1198.34ms. Allocated memory is still 184.5MB. Free memory was 135.2MB in the beginning and 137.2MB in the end (delta: -2.0MB). Peak memory consumption was 62.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.75ms. Allocated memory is still 184.5MB. Free memory was 137.2MB in the beginning and 134.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.62ms. Allocated memory is still 184.5MB. Free memory was 134.1MB in the beginning and 133.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 528.65ms. Allocated memory is still 184.5MB. Free memory was 133.0MB in the beginning and 117.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 757.26ms. Allocated memory is still 184.5MB. Free memory was 117.3MB in the beginning and 82.5MB in the end (delta: 34.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 117.69ms. Allocated memory is still 184.5MB. Free memory was 82.5MB in the beginning and 76.4MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:58:11,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_11e05a12-6ad6-4db9-b099-eec1f8970924/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