./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 72353f203ca89867a2cd226038987ddc05e8f94d22ccb21a54ee485a7f7695ab --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:39,481 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:39,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:16:39,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:39,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:39,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:39,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:39,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:39,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:39,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:39,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:39,600 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:39,601 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:39,602 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:39,602 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:39,603 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:39,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:39,604 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:16:39,605 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:39,605 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:39,606 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:39,607 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:39,607 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:39,608 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:39,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:39,609 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:39,610 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:39,611 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:39,611 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:39,612 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:39,612 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:39,613 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:39,614 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_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 72353f203ca89867a2cd226038987ddc05e8f94d22ccb21a54ee485a7f7695ab [2023-11-24 22:16:39,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:39,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:39,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:39,900 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:39,901 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:39,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_02_good.i [2023-11-24 22:16:43,195 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:43,691 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:43,692 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_02_good.i [2023-11-24 22:16:43,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/data/381f53fa6/4ba656e822d64cbea6af20682f5d25cf/FLAGffed9afed [2023-11-24 22:16:43,751 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/data/381f53fa6/4ba656e822d64cbea6af20682f5d25cf [2023-11-24 22:16:43,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:43,760 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:43,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:43,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:43,769 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:43,770 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:43" (1/1) ... [2023-11-24 22:16:43,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f9505cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:43, skipping insertion in model container [2023-11-24 22:16:43,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:43" (1/1) ... [2023-11-24 22:16:43,856 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:44,993 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:45,012 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:45,218 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:45,367 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:45,367 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:45,367 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:45,367 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:45,376 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:45,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:45 WrapperNode [2023-11-24 22:16:45,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:45,379 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:45,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:45,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:45,396 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:45" (1/1) ... [2023-11-24 22:16:45,437 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:45" (1/1) ... [2023-11-24 22:16:45,469 INFO L138 Inliner]: procedures = 502, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 95 [2023-11-24 22:16:45,470 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:45,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:45,471 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:45,471 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:45,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:45" (1/1) ... [2023-11-24 22:16:45,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:45" (1/1) ... [2023-11-24 22:16:45,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:45" (1/1) ... [2023-11-24 22:16:45,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:45" (1/1) ... [2023-11-24 22:16:45,492 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:45" (1/1) ... [2023-11-24 22:16:45,494 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:45" (1/1) ... [2023-11-24 22:16:45,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:45" (1/1) ... [2023-11-24 22:16:45,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:45" (1/1) ... [2023-11-24 22:16:45,504 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:45,505 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:45,506 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:45,506 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:45,507 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:45" (1/1) ... [2023-11-24 22:16:45,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:45,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:45,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:45,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:45,604 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:16:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:16:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:16:45,605 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:16:45,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:45,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:16:45,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:45,834 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:45,837 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:46,128 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:46,198 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:46,198 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-24 22:16:46,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:46 BoogieIcfgContainer [2023-11-24 22:16:46,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:46,201 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:46,202 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:46,214 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:46,215 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:46" (1/1) ... [2023-11-24 22:16:46,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:46,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:46,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2023-11-24 22:16:46,288 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2023-11-24 22:16:46,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:16:46,294 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:46,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:46,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:16:46,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:46,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 56 transitions. [2023-11-24 22:16:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2023-11-24 22:16:46,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:16:46,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:46,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:46,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:16:46,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:46,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 47 transitions. [2023-11-24 22:16:46,855 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2023-11-24 22:16:46,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 22:16:46,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:46,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:46,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:47,035 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:47,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:47,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 41 transitions. [2023-11-24 22:16:47,070 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2023-11-24 22:16:47,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:16:47,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:47,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:47,157 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:47,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:47,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 36 states and 40 transitions. [2023-11-24 22:16:47,184 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2023-11-24 22:16:47,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:16:47,186 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:47,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:47,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:47,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:47,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 35 states and 38 transitions. [2023-11-24 22:16:47,352 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2023-11-24 22:16:47,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:16:47,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:47,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:47,437 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:16:47,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:47,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 37 transitions. [2023-11-24 22:16:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2023-11-24 22:16:47,453 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:16:47,454 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-24 22:16:47,465 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 22:16:47,505 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:16:47,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:16:47 ImpRootNode [2023-11-24 22:16:47,510 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:16:47,510 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:16:47,511 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:16:47,511 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:16:47,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:46" (3/4) ... [2023-11-24 22:16:47,514 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:16:47,518 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:16:47,518 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:16:47,524 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-24 22:16:47,524 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 22:16:47,525 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:16:47,525 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:16:47,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:16:47,672 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:16:47,672 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:16:47,673 INFO L158 Benchmark]: Toolchain (without parser) took 3912.79ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 93.5MB in the beginning and 99.0MB in the end (delta: -5.5MB). Peak memory consumption was 52.2MB. Max. memory is 16.1GB. [2023-11-24 22:16:47,673 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:47,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1615.04ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 93.2MB in the beginning and 131.4MB in the end (delta: -38.2MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2023-11-24 22:16:47,674 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.23ms. Allocated memory is still 201.3MB. Free memory was 131.4MB in the beginning and 128.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:16:47,675 INFO L158 Benchmark]: Boogie Preprocessor took 34.16ms. Allocated memory is still 201.3MB. Free memory was 128.1MB in the beginning and 126.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:16:47,676 INFO L158 Benchmark]: RCFGBuilder took 695.32ms. Allocated memory is still 201.3MB. Free memory was 126.9MB in the beginning and 109.3MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:16:47,676 INFO L158 Benchmark]: CodeCheck took 1308.41ms. Allocated memory is still 201.3MB. Free memory was 109.3MB in the beginning and 104.3MB in the end (delta: 5.0MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2023-11-24 22:16:47,677 INFO L158 Benchmark]: Witness Printer took 161.75ms. Allocated memory is still 201.3MB. Free memory was 104.3MB in the beginning and 99.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:16:47,680 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, 54 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 376 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 54 mSDsluCounter, 175 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 200 IncrementalHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 155 mSDtfsCounter, 200 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 891 GetRequests, 883 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 135 NumberOfCodeBlocks, 135 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 26/26 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: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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: 1650]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 89.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1615.04ms. Allocated memory was 142.6MB in the beginning and 201.3MB in the end (delta: 58.7MB). Free memory was 93.2MB in the beginning and 131.4MB in the end (delta: -38.2MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.23ms. Allocated memory is still 201.3MB. Free memory was 131.4MB in the beginning and 128.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.16ms. Allocated memory is still 201.3MB. Free memory was 128.1MB in the beginning and 126.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 695.32ms. Allocated memory is still 201.3MB. Free memory was 126.9MB in the beginning and 109.3MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1308.41ms. Allocated memory is still 201.3MB. Free memory was 109.3MB in the beginning and 104.3MB in the end (delta: 5.0MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Witness Printer took 161.75ms. Allocated memory is still 201.3MB. Free memory was 104.3MB in the beginning and 99.0MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:16:47,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_604c017b-1145-4655-9aa6-5a6795544a3f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE