./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_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_d85f999f-2964-414f-979f-fd956c08011a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85f999f-2964-414f-979f-fd956c08011a/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_d85f999f-2964-414f-979f-fd956c08011a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85f999f-2964-414f-979f-fd956c08011a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85f999f-2964-414f-979f-fd956c08011a/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_d85f999f-2964-414f-979f-fd956c08011a/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 c7d68de25ad6cff21e33b619e8a24b31b6e6ef618c6aa23954698045cfcb8f99 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:55:19,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:55:19,201 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85f999f-2964-414f-979f-fd956c08011a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:55:19,208 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:55:19,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:55:19,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:55:19,243 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:55:19,244 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:55:19,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:55:19,249 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:55:19,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:55:19,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:55:19,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:55:19,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:55:19,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:55:19,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:55:19,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:55:19,255 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:55:19,256 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:55:19,256 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:55:19,256 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:55:19,257 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:55:19,258 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:55:19,259 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:55:19,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:55:19,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:19,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:55:19,262 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:55:19,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:55:19,263 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:55:19,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:55:19,264 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:55:19,264 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_d85f999f-2964-414f-979f-fd956c08011a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85f999f-2964-414f-979f-fd956c08011a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c7d68de25ad6cff21e33b619e8a24b31b6e6ef618c6aa23954698045cfcb8f99 [2023-11-19 02:55:19,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:55:19,631 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:55:19,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:55:19,635 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:55:19,636 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:55:19,637 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85f999f-2964-414f-979f-fd956c08011a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_good.i [2023-11-19 02:55:22,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:55:23,153 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:55:23,154 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85f999f-2964-414f-979f-fd956c08011a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_02_good.i [2023-11-19 02:55:23,194 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85f999f-2964-414f-979f-fd956c08011a/bin/ukojak-verify-G8NBE6pJGL/data/08434dd70/eeb4ea141fc1411794630fafa8e77a46/FLAG33391c643 [2023-11-19 02:55:23,207 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85f999f-2964-414f-979f-fd956c08011a/bin/ukojak-verify-G8NBE6pJGL/data/08434dd70/eeb4ea141fc1411794630fafa8e77a46 [2023-11-19 02:55:23,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:55:23,211 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:55:23,212 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:23,212 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:55:23,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:55:23,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:23" (1/1) ... [2023-11-19 02:55:23,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5574766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:23, skipping insertion in model container [2023-11-19 02:55:23,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:55:23" (1/1) ... [2023-11-19 02:55:23,292 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:55:23,717 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:55:24,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:24,388 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:55:24,421 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:55:24,527 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:55:24,733 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:24,734 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:24,734 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:24,734 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:24,735 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:55:24,743 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:55:24,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:24 WrapperNode [2023-11-19 02:55:24,744 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:55:24,745 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:24,745 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:55:24,745 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:55:24,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:24" (1/1) ... [2023-11-19 02:55:24,783 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:24" (1/1) ... [2023-11-19 02:55:24,819 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 180 [2023-11-19 02:55:24,820 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:55:24,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:55:24,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:55:24,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:55:24,831 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:24" (1/1) ... [2023-11-19 02:55:24,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:24" (1/1) ... [2023-11-19 02:55:24,837 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:24" (1/1) ... [2023-11-19 02:55:24,837 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:24" (1/1) ... [2023-11-19 02:55:24,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:24" (1/1) ... [2023-11-19 02:55:24,849 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:24" (1/1) ... [2023-11-19 02:55:24,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:24" (1/1) ... [2023-11-19 02:55:24,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:24" (1/1) ... [2023-11-19 02:55:24,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:55:24,860 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:55:24,860 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:55:24,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:55:24,861 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:55:24" (1/1) ... [2023-11-19 02:55:24,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:55:24,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85f999f-2964-414f-979f-fd956c08011a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:55:24,923 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85f999f-2964-414f-979f-fd956c08011a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:55:24,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85f999f-2964-414f-979f-fd956c08011a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:55:24,971 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 02:55:24,972 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 02:55:24,973 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:55:24,973 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:55:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:55:24,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:55:24,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:55:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:55:24,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:55:25,162 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:55:25,165 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:55:25,614 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:55:26,091 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:55:26,091 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 02:55:26,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:26 BoogieIcfgContainer [2023-11-19 02:55:26,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:55:26,100 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:55:26,100 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:55:26,111 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:55:26,111 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:26" (1/1) ... [2023-11-19 02:55:26,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:55:26,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:26,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2023-11-19 02:55:26,197 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2023-11-19 02:55:26,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:55:26,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:26,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:26,760 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 02:55:26,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:26,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 44 states and 56 transitions. [2023-11-19 02:55:26,824 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2023-11-19 02:55:26,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:55:26,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:26,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:26,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:26,888 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 02:55:26,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:26,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 55 transitions. [2023-11-19 02:55:26,933 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions. [2023-11-19 02:55:26,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:55:26,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:26,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:26,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:27,151 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 02:55:27,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:27,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 53 transitions. [2023-11-19 02:55:27,266 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2023-11-19 02:55:27,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:55:27,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:27,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:27,390 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 02:55:27,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:27,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 41 states and 52 transitions. [2023-11-19 02:55:27,461 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2023-11-19 02:55:27,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 02:55:27,463 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:27,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:27,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:27,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 47 transitions. [2023-11-19 02:55:27,628 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-19 02:55:27,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 02:55:27,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:27,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:27,787 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:27,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:27,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 46 transitions. [2023-11-19 02:55:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2023-11-19 02:55:27,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:55:27,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:27,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:27,944 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:27,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:27,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 37 states and 44 transitions. [2023-11-19 02:55:27,972 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2023-11-19 02:55:27,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:55:27,974 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:55:27,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:55:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:55:28,132 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:55:28,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:55:28,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 36 states and 43 transitions. [2023-11-19 02:55:28,147 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2023-11-19 02:55:28,148 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:55:28,148 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-11-19 02:55:28,156 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 02:55:28,198 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:55:28,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:55:28 ImpRootNode [2023-11-19 02:55:28,203 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:55:28,204 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:55:28,204 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:55:28,204 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:55:28,205 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:55:26" (3/4) ... [2023-11-19 02:55:28,213 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:55:28,216 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 02:55:28,217 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 02:55:28,231 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2023-11-19 02:55:28,231 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 02:55:28,232 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 02:55:28,233 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:55:28,374 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85f999f-2964-414f-979f-fd956c08011a/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:55:28,375 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85f999f-2964-414f-979f-fd956c08011a/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:55:28,376 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:55:28,376 INFO L158 Benchmark]: Toolchain (without parser) took 5165.90ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 113.3MB in the beginning and 114.4MB in the end (delta: -1.0MB). Peak memory consumption was 81.9MB. Max. memory is 16.1GB. [2023-11-19 02:55:28,377 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 151.0MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:55:28,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1532.20ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 113.3MB in the beginning and 189.0MB in the end (delta: -75.7MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:28,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.84ms. Allocated memory is still 232.8MB. Free memory was 189.0MB in the beginning and 185.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:28,378 INFO L158 Benchmark]: Boogie Preprocessor took 38.54ms. Allocated memory is still 232.8MB. Free memory was 185.9MB in the beginning and 183.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:55:28,379 INFO L158 Benchmark]: RCFGBuilder took 1239.03ms. Allocated memory is still 232.8MB. Free memory was 183.8MB in the beginning and 194.1MB in the end (delta: -10.3MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2023-11-19 02:55:28,379 INFO L158 Benchmark]: CodeCheck took 2103.29ms. Allocated memory is still 232.8MB. Free memory was 194.1MB in the beginning and 121.5MB in the end (delta: 72.6MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. [2023-11-19 02:55:28,380 INFO L158 Benchmark]: Witness Printer took 172.01ms. Allocated memory is still 232.8MB. Free memory was 121.5MB in the beginning and 114.4MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:55:28,382 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, 46 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 403 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 88 mSDsluCounter, 172 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 300 IncrementalHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 148 mSDtfsCounter, 300 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 906 GetRequests, 890 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 124 ConstructedInterpolants, 0 QuantifiedInterpolants, 164 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 28/28 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 0.27ms. Allocated memory is still 151.0MB. Free memory is still 123.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1532.20ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 113.3MB in the beginning and 189.0MB in the end (delta: -75.7MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.84ms. Allocated memory is still 232.8MB. Free memory was 189.0MB in the beginning and 185.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.54ms. Allocated memory is still 232.8MB. Free memory was 185.9MB in the beginning and 183.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1239.03ms. Allocated memory is still 232.8MB. Free memory was 183.8MB in the beginning and 194.1MB in the end (delta: -10.3MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. * CodeCheck took 2103.29ms. Allocated memory is still 232.8MB. Free memory was 194.1MB in the beginning and 121.5MB in the end (delta: 72.6MB). Peak memory consumption was 72.9MB. Max. memory is 16.1GB. * Witness Printer took 172.01ms. Allocated memory is still 232.8MB. Free memory was 121.5MB in the beginning and 114.4MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:55:28,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85f999f-2964-414f-979f-fd956c08011a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE