./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_41_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/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_5c0052c3-95b5-4f81-9182-49e4a48a76b6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_41_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/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_5c0052c3-95b5-4f81-9182-49e4a48a76b6/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 ae205593ddda77168290cc862923ef21034bfc5ffd17232bfb2ccb5128668bed --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:09:33,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:09:33,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:09:33,434 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:09:33,435 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:09:33,473 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:09:33,474 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:09:33,474 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:09:33,475 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:09:33,480 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:09:33,481 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:09:33,482 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:09:33,482 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:09:33,484 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:09:33,485 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:09:33,485 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:09:33,485 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:09:33,486 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:09:33,486 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:09:33,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:09:33,487 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:09:33,488 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:09:33,489 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:09:33,489 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:09:33,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:09:33,490 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:33,490 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:09:33,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:09:33,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:09:33,492 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:09:33,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:09:33,493 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:09:33,493 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_5c0052c3-95b5-4f81-9182-49e4a48a76b6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae205593ddda77168290cc862923ef21034bfc5ffd17232bfb2ccb5128668bed [2023-11-24 23:09:33,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:09:33,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:09:33,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:09:33,850 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:09:33,851 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:09:33,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_41_good.i [2023-11-24 23:09:36,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:09:37,376 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:09:37,377 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_multiply_41_good.i [2023-11-24 23:09:37,412 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/bin/ukojak-verify-afCqCEvfdi/data/8c6d03b2d/8ac0b1ddb65b43b0a4a6c51733a64714/FLAGf821707b8 [2023-11-24 23:09:37,430 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/bin/ukojak-verify-afCqCEvfdi/data/8c6d03b2d/8ac0b1ddb65b43b0a4a6c51733a64714 [2023-11-24 23:09:37,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:09:37,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:09:37,435 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:37,435 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:09:37,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:09:37,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aaa97a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:37, skipping insertion in model container [2023-11-24 23:09:37,453 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:09:37" (1/1) ... [2023-11-24 23:09:37,535 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:09:38,579 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:38,598 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:09:38,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:09:38,887 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:38,887 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:38,888 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:38,888 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:09:38,896 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:09:38,897 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38 WrapperNode [2023-11-24 23:09:38,897 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:09:38,898 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:38,898 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:09:38,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:09:38,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:38,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:39,023 INFO L138 Inliner]: procedures = 502, calls = 67, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 66 [2023-11-24 23:09:39,024 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:09:39,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:09:39,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:09:39,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:09:39,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:39,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:39,038 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:39,039 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:39,045 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:39,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:39,049 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:39,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:39,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:09:39,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:09:39,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:09:39,056 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:09:39,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:09:38" (1/1) ... [2023-11-24 23:09:39,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:09:39,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:09:39,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:09:39,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:09:39,160 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:09:39,161 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:09:39,161 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:09:39,162 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:09:39,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:09:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:09:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:09:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:09:39,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:09:39,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:09:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:09:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:09:39,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:09:39,390 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:09:39,393 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:09:39,550 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:09:39,594 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:09:39,594 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:09:39,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:39 BoogieIcfgContainer [2023-11-24 23:09:39,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:09:39,597 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:09:39,597 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:09:39,608 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:09:39,609 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:39" (1/1) ... [2023-11-24 23:09:39,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:09:39,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:39,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2023-11-24 23:09:39,667 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2023-11-24 23:09:39,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:09:39,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:39,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:39,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:40,031 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 23:09:40,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-24 23:09:40,131 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-24 23:09:40,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:09:40,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:40,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:40,314 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 23:09:40,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 27 states and 31 transitions. [2023-11-24 23:09:40,354 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 31 transitions. [2023-11-24 23:09:40,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:09:40,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:40,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:40,441 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 23:09:40,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2023-11-24 23:09:40,497 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2023-11-24 23:09:40,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:09:40,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:40,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:40,610 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 23:09:40,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:40,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-24 23:09:40,624 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-24 23:09:40,624 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:09:40,625 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-11-24 23:09:40,632 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-24 23:09:40,667 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:09:40,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:09:40 ImpRootNode [2023-11-24 23:09:40,672 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:09:40,674 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:09:40,675 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:09:40,675 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:09:40,676 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:09:39" (3/4) ... [2023-11-24 23:09:40,677 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:09:40,681 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:09:40,681 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:09:40,688 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-24 23:09:40,688 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-24 23:09:40,689 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 23:09:40,689 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:09:40,785 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:09:40,785 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:09:40,786 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:09:40,787 INFO L158 Benchmark]: Toolchain (without parser) took 3352.70ms. Allocated memory was 180.4MB in the beginning and 230.7MB in the end (delta: 50.3MB). Free memory was 135.2MB in the beginning and 121.7MB in the end (delta: 13.5MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2023-11-24 23:09:40,787 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 180.4MB. Free memory is still 151.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:09:40,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1462.41ms. Allocated memory is still 180.4MB. Free memory was 135.2MB in the beginning and 73.8MB in the end (delta: 61.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-24 23:09:40,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 125.97ms. Allocated memory was 180.4MB in the beginning and 230.7MB in the end (delta: 50.3MB). Free memory was 73.8MB in the beginning and 197.2MB in the end (delta: -123.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2023-11-24 23:09:40,788 INFO L158 Benchmark]: Boogie Preprocessor took 30.13ms. Allocated memory is still 230.7MB. Free memory was 197.2MB in the beginning and 195.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:09:40,789 INFO L158 Benchmark]: RCFGBuilder took 540.72ms. Allocated memory is still 230.7MB. Free memory was 195.1MB in the beginning and 179.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:09:40,790 INFO L158 Benchmark]: CodeCheck took 1075.23ms. Allocated memory is still 230.7MB. Free memory was 179.4MB in the beginning and 126.9MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2023-11-24 23:09:40,790 INFO L158 Benchmark]: Witness Printer took 111.19ms. Allocated memory is still 230.7MB. Free memory was 126.9MB in the beginning and 121.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:09:40,793 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, 29 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 99 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 22 mSDsluCounter, 42 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 42 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 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, 50 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: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1552]: 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: 1595]: 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 180.4MB. Free memory is still 151.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1462.41ms. Allocated memory is still 180.4MB. Free memory was 135.2MB in the beginning and 73.8MB in the end (delta: 61.4MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 125.97ms. Allocated memory was 180.4MB in the beginning and 230.7MB in the end (delta: 50.3MB). Free memory was 73.8MB in the beginning and 197.2MB in the end (delta: -123.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.13ms. Allocated memory is still 230.7MB. Free memory was 197.2MB in the beginning and 195.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 540.72ms. Allocated memory is still 230.7MB. Free memory was 195.1MB in the beginning and 179.4MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1075.23ms. Allocated memory is still 230.7MB. Free memory was 179.4MB in the beginning and 126.9MB in the end (delta: 52.4MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Witness Printer took 111.19ms. Allocated memory is still 230.7MB. Free memory was 126.9MB in the beginning and 121.7MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:09:40,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c0052c3-95b5-4f81-9182-49e4a48a76b6/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