./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash cbb5a13920e28246ff2057a201d7cf9186eb992bda7249259b00ce843ce3b58b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:07,063 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:07,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:49:07,199 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:49:07,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:49:07,238 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:07,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:07,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:07,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:07,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:07,248 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:07,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:07,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:49:07,251 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:07,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:07,252 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:07,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:07,253 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:49:07,254 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:49:07,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:07,255 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:07,255 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:07,256 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:07,257 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:07,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:07,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:07,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:07,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:07,260 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:49:07,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:49:07,262 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:07,262 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_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbb5a13920e28246ff2057a201d7cf9186eb992bda7249259b00ce843ce3b58b [2023-11-11 23:49:07,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:07,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:07,629 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:07,631 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:07,631 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:07,652 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_good.i [2023-11-11 23:49:10,755 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:11,134 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:11,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_good.i [2023-11-11 23:49:11,168 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/data/615cd2320/f96337ac08de410db13b1515ca447444/FLAG36269c6fe [2023-11-11 23:49:11,184 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/data/615cd2320/f96337ac08de410db13b1515ca447444 [2023-11-11 23:49:11,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:11,191 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:11,195 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:11,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:11,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:11,201 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:11" (1/1) ... [2023-11-11 23:49:11,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20542be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:11, skipping insertion in model container [2023-11-11 23:49:11,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:11" (1/1) ... [2023-11-11 23:49:11,285 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:11,738 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:49:12,318 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:12,340 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:12,368 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:49:12,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:12,601 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:12,601 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:12,602 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:12,602 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:12,602 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:12,610 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:12,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12 WrapperNode [2023-11-11 23:49:12,611 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:12,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:12,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:12,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:12,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:12,681 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:12,737 INFO L138 Inliner]: procedures = 505, calls = 70, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 179 [2023-11-11 23:49:12,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:12,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:12,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:12,741 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:12,751 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:12,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:12,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:12,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:12,786 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:12,789 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:12,797 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:12,799 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:12,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:12,816 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:12,816 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:12,817 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:12,817 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:12" (1/1) ... [2023-11-11 23:49:12,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:12,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:12,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:12,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:12,896 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:49:12,896 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:49:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:49:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:49:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:49:12,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:12,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:49:12,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:49:13,111 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:13,113 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:13,532 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:13,936 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:13,936 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:49:13,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:13 BoogieIcfgContainer [2023-11-11 23:49:13,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:49:13,940 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:49:13,941 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:49:13,953 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:49:13,953 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:13" (1/1) ... [2023-11-11 23:49:13,963 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:49:14,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:14,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 42 states and 55 transitions. [2023-11-11 23:49:14,031 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 55 transitions. [2023-11-11 23:49:14,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:49:14,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:14,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:14,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:14,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:14,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2023-11-11 23:49:14,530 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2023-11-11 23:49:14,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:49:14,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:14,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:14,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:14,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:14,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2023-11-11 23:49:14,751 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2023-11-11 23:49:14,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:49:14,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:14,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:14,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:14,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:14,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2023-11-11 23:49:14,966 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2023-11-11 23:49:14,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:49:14,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:14,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:15,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:15,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:15,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:15,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 38 states and 51 transitions. [2023-11-11 23:49:15,171 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 51 transitions. [2023-11-11 23:49:15,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:49:15,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:15,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:15,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:15,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:15,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 38 states and 50 transitions. [2023-11-11 23:49:15,347 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2023-11-11 23:49:15,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:49:15,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:15,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:15,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:15,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:15,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2023-11-11 23:49:15,566 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2023-11-11 23:49:15,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:49:15,568 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:15,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:15,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:15,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:15,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:15,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 36 states and 47 transitions. [2023-11-11 23:49:15,709 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 47 transitions. [2023-11-11 23:49:15,709 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:49:15,710 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2023-11-11 23:49:15,719 INFO L753 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2023-11-11 23:49:15,760 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:49:15,765 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:49:15 ImpRootNode [2023-11-11 23:49:15,765 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:49:15,766 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:49:15,766 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:49:15,766 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:49:15,767 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:13" (3/4) ... [2023-11-11 23:49:15,772 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:49:15,775 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:49:15,776 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:49:15,791 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2023-11-11 23:49:15,793 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-11 23:49:15,794 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-11 23:49:15,794 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:49:15,916 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:49:15,917 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:49:15,917 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:49:15,918 INFO L158 Benchmark]: Toolchain (without parser) took 4726.49ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 125.6MB in the beginning and 120.4MB in the end (delta: 5.3MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2023-11-11 23:49:15,918 INFO L158 Benchmark]: CDTParser took 19.80ms. Allocated memory is still 119.5MB. Free memory was 65.8MB in the beginning and 87.7MB in the end (delta: -21.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2023-11-11 23:49:15,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1416.62ms. Allocated memory is still 172.0MB. Free memory was 125.6MB in the beginning and 102.0MB in the end (delta: 23.6MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2023-11-11 23:49:15,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.25ms. Allocated memory is still 172.0MB. Free memory was 102.0MB in the beginning and 97.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:49:15,920 INFO L158 Benchmark]: Boogie Preprocessor took 75.23ms. Allocated memory is still 172.0MB. Free memory was 97.8MB in the beginning and 96.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:15,920 INFO L158 Benchmark]: RCFGBuilder took 1123.43ms. Allocated memory is still 172.0MB. Free memory was 95.7MB in the beginning and 99.6MB in the end (delta: -3.9MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2023-11-11 23:49:15,921 INFO L158 Benchmark]: CodeCheck took 1824.89ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 99.6MB in the beginning and 127.6MB in the end (delta: -28.0MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2023-11-11 23:49:15,921 INFO L158 Benchmark]: Witness Printer took 151.57ms. Allocated memory is still 207.6MB. Free memory was 127.6MB in the beginning and 120.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:49:15,923 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, 42 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 322 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 156 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 69 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 262 IncrementalHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 69 mSolverCounterUnsat, 152 mSDtfsCounter, 262 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 685 GetRequests, 669 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, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 79 ConstructedInterpolants, 0 QuantifiedInterpolants, 111 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: 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 - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1641]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 19.80ms. Allocated memory is still 119.5MB. Free memory was 65.8MB in the beginning and 87.7MB in the end (delta: -21.9MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1416.62ms. Allocated memory is still 172.0MB. Free memory was 125.6MB in the beginning and 102.0MB in the end (delta: 23.6MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 127.25ms. Allocated memory is still 172.0MB. Free memory was 102.0MB in the beginning and 97.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.23ms. Allocated memory is still 172.0MB. Free memory was 97.8MB in the beginning and 96.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1123.43ms. Allocated memory is still 172.0MB. Free memory was 95.7MB in the beginning and 99.6MB in the end (delta: -3.9MB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. * CodeCheck took 1824.89ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 99.6MB in the beginning and 127.6MB in the end (delta: -28.0MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Witness Printer took 151.57ms. Allocated memory is still 207.6MB. Free memory was 127.6MB in the beginning and 120.4MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:49:15,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_047e08e0-0c07-4c00-83db-d0c235c0693c/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE