./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_34_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_49510209-7bff-4648-8174-8f7a437c108f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49510209-7bff-4648-8174-8f7a437c108f/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_49510209-7bff-4648-8174-8f7a437c108f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49510209-7bff-4648-8174-8f7a437c108f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_34_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49510209-7bff-4648-8174-8f7a437c108f/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_49510209-7bff-4648-8174-8f7a437c108f/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 85197c62af74c822d322251064fbf0fd52044ec502d2010edca65d8b61117e9f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:53:54,770 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:53:54,888 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49510209-7bff-4648-8174-8f7a437c108f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:53:54,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:53:54,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:53:54,938 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:53:54,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:53:54,941 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:53:54,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:53:54,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:53:54,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:53:54,950 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:53:54,951 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:53:54,953 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:53:54,953 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:53:54,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:53:54,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:53:54,955 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:53:54,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:53:54,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:53:54,957 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:53:54,958 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:53:54,958 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:53:54,959 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:53:54,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:53:54,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:53:54,962 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:53:54,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:53:54,963 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:53:54,963 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:53:54,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:53:54,965 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:53:54,977 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_49510209-7bff-4648-8174-8f7a437c108f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49510209-7bff-4648-8174-8f7a437c108f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85197c62af74c822d322251064fbf0fd52044ec502d2010edca65d8b61117e9f [2023-11-19 02:53:55,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:53:55,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:53:55,338 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:53:55,340 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:53:55,340 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:53:55,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49510209-7bff-4648-8174-8f7a437c108f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_34_good.i [2023-11-19 02:53:58,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:53:58,894 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:53:58,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49510209-7bff-4648-8174-8f7a437c108f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_34_good.i [2023-11-19 02:53:58,930 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49510209-7bff-4648-8174-8f7a437c108f/bin/ukojak-verify-G8NBE6pJGL/data/38b6b1435/f7315a6fb0ba47bc98a3701687b094dd/FLAGb6bff8925 [2023-11-19 02:53:58,948 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49510209-7bff-4648-8174-8f7a437c108f/bin/ukojak-verify-G8NBE6pJGL/data/38b6b1435/f7315a6fb0ba47bc98a3701687b094dd [2023-11-19 02:53:58,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:53:58,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:53:58,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:53:58,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:53:58,962 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:53:58,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:58" (1/1) ... [2023-11-19 02:53:58,964 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e67b1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:53:58, skipping insertion in model container [2023-11-19 02:53:58,964 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:53:58" (1/1) ... [2023-11-19 02:53:59,038 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:53:59,417 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:54:00,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:00,051 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:54:00,094 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:54:00,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:54:00,413 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:00,414 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:00,414 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:00,414 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:00,415 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:54:00,423 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:54:00,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:00 WrapperNode [2023-11-19 02:54:00,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:54:00,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:00,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:54:00,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:54:00,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:00" (1/1) ... [2023-11-19 02:54:00,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:00" (1/1) ... [2023-11-19 02:54:00,529 INFO L138 Inliner]: procedures = 501, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 115 [2023-11-19 02:54:00,529 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:54:00,530 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:54:00,530 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:54:00,530 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:54:00,540 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:00" (1/1) ... [2023-11-19 02:54:00,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:00" (1/1) ... [2023-11-19 02:54:00,563 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:00" (1/1) ... [2023-11-19 02:54:00,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:00" (1/1) ... [2023-11-19 02:54:00,570 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:00" (1/1) ... [2023-11-19 02:54:00,586 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:00" (1/1) ... [2023-11-19 02:54:00,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:00" (1/1) ... [2023-11-19 02:54:00,590 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:00" (1/1) ... [2023-11-19 02:54:00,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:54:00,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:54:00,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:54:00,599 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:54:00,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:54:00" (1/1) ... [2023-11-19 02:54:00,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:54:00,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49510209-7bff-4648-8174-8f7a437c108f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:54:00,646 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49510209-7bff-4648-8174-8f7a437c108f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:54:00,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49510209-7bff-4648-8174-8f7a437c108f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:54:00,697 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 02:54:00,697 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 02:54:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:54:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:54:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:54:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:54:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:54:00,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:54:00,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:54:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:54:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:54:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:54:00,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:54:00,869 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:54:00,871 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:54:01,096 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:54:01,427 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:54:01,427 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:54:01,432 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:01 BoogieIcfgContainer [2023-11-19 02:54:01,432 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:54:01,433 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:54:01,433 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:54:01,443 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:54:01,444 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:01" (1/1) ... [2023-11-19 02:54:01,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:54:01,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:01,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-19 02:54:01,528 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-19 02:54:01,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 02:54:01,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:01,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:01,999 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 02:54:02,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:02,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2023-11-19 02:54:02,039 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-19 02:54:02,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:54:02,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:02,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:02,092 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 02:54:02,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 26 states and 31 transitions. [2023-11-19 02:54:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-19 02:54:02,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:54:02,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:02,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:02,286 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 02:54:02,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:02,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-11-19 02:54:02,347 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-19 02:54:02,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:54:02,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:54:02,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:54:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:54:02,472 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 02:54:02,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:54:02,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2023-11-19 02:54:02,555 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-19 02:54:02,556 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:54:02,556 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-19 02:54:02,566 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-19 02:54:02,599 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:54:02,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:54:02 ImpRootNode [2023-11-19 02:54:02,604 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:54:02,605 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:54:02,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:54:02,605 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:54:02,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:54:01" (3/4) ... [2023-11-19 02:54:02,611 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:54:02,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 02:54:02,614 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 02:54:02,620 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2023-11-19 02:54:02,621 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-19 02:54:02,621 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 02:54:02,622 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:54:02,747 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49510209-7bff-4648-8174-8f7a437c108f/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:54:02,747 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49510209-7bff-4648-8174-8f7a437c108f/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:54:02,747 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:54:02,748 INFO L158 Benchmark]: Toolchain (without parser) took 3795.36ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 90.4MB in the beginning and 141.4MB in the end (delta: -50.9MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2023-11-19 02:54:02,748 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 140.5MB. Free memory was 109.4MB in the beginning and 109.3MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:54:02,749 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1470.29ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 90.2MB in the beginning and 114.8MB in the end (delta: -24.5MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2023-11-19 02:54:02,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.85ms. Allocated memory is still 180.4MB. Free memory was 114.8MB in the beginning and 112.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:02,750 INFO L158 Benchmark]: Boogie Preprocessor took 67.19ms. Allocated memory is still 180.4MB. Free memory was 112.3MB in the beginning and 110.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:02,750 INFO L158 Benchmark]: RCFGBuilder took 834.10ms. Allocated memory is still 180.4MB. Free memory was 110.2MB in the beginning and 130.9MB in the end (delta: -20.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 02:54:02,751 INFO L158 Benchmark]: CodeCheck took 1170.99ms. Allocated memory is still 180.4MB. Free memory was 130.9MB in the beginning and 62.8MB in the end (delta: 68.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2023-11-19 02:54:02,751 INFO L158 Benchmark]: Witness Printer took 142.83ms. Allocated memory is still 180.4MB. Free memory was 62.8MB in the beginning and 141.4MB in the end (delta: -78.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-11-19 02:54:02,753 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, 28 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 38 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 95 IncrementalHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 38 mSDtfsCounter, 95 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 250 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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: 1602]: 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 140.5MB. Free memory was 109.4MB in the beginning and 109.3MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1470.29ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 90.2MB in the beginning and 114.8MB in the end (delta: -24.5MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.85ms. Allocated memory is still 180.4MB. Free memory was 114.8MB in the beginning and 112.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.19ms. Allocated memory is still 180.4MB. Free memory was 112.3MB in the beginning and 110.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 834.10ms. Allocated memory is still 180.4MB. Free memory was 110.2MB in the beginning and 130.9MB in the end (delta: -20.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 1170.99ms. Allocated memory is still 180.4MB. Free memory was 130.9MB in the beginning and 62.8MB in the end (delta: 68.2MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. * Witness Printer took 142.83ms. Allocated memory is still 180.4MB. Free memory was 62.8MB in the beginning and 141.4MB in the end (delta: -78.6MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:54:02,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_49510209-7bff-4648-8174-8f7a437c108f/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