./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_42_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_890122fc-c162-4c90-850f-b6fdf1009348/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890122fc-c162-4c90-850f-b6fdf1009348/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_890122fc-c162-4c90-850f-b6fdf1009348/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890122fc-c162-4c90-850f-b6fdf1009348/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_42_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890122fc-c162-4c90-850f-b6fdf1009348/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_890122fc-c162-4c90-850f-b6fdf1009348/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 70c8866e19d0ad7002940bddf719ef61f2c846ed08090889642e412a49934e9a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:57:12,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:57:12,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890122fc-c162-4c90-850f-b6fdf1009348/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:57:12,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:57:12,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:57:12,557 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:57:12,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:57:12,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:57:12,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:57:12,565 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:57:12,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:57:12,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:57:12,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:57:12,569 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:57:12,569 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:57:12,570 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:57:12,570 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:57:12,570 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:57:12,571 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:57:12,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:57:12,572 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:57:12,573 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:57:12,575 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:57:12,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:57:12,576 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:57:12,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:12,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:57:12,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:57:12,578 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:57:12,578 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:57:12,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:57:12,580 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:57:12,580 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_890122fc-c162-4c90-850f-b6fdf1009348/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890122fc-c162-4c90-850f-b6fdf1009348/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70c8866e19d0ad7002940bddf719ef61f2c846ed08090889642e412a49934e9a [2023-11-24 22:57:12,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:57:12,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:57:12,941 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:57:12,942 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:57:12,943 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:57:12,944 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890122fc-c162-4c90-850f-b6fdf1009348/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_42_good.i [2023-11-24 22:57:16,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:57:16,543 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:57:16,544 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890122fc-c162-4c90-850f-b6fdf1009348/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_42_good.i [2023-11-24 22:57:16,577 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890122fc-c162-4c90-850f-b6fdf1009348/bin/ukojak-verify-afCqCEvfdi/data/a128bad8a/98b6ba68c62f4ba99dec196db6a8b575/FLAGe2f4d281d [2023-11-24 22:57:16,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890122fc-c162-4c90-850f-b6fdf1009348/bin/ukojak-verify-afCqCEvfdi/data/a128bad8a/98b6ba68c62f4ba99dec196db6a8b575 [2023-11-24 22:57:16,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:57:16,603 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:57:16,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:16,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:57:16,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:57:16,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:16" (1/1) ... [2023-11-24 22:57:16,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@209b94ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:16, skipping insertion in model container [2023-11-24 22:57:16,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:57:16" (1/1) ... [2023-11-24 22:57:16,702 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:57:17,965 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:17,987 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:57:18,204 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:57:18,392 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:18,392 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:18,393 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:18,393 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:57:18,402 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:57:18,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:18 WrapperNode [2023-11-24 22:57:18,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:57:18,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:18,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:57:18,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:57:18,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:18" (1/1) ... [2023-11-24 22:57:18,465 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:18" (1/1) ... [2023-11-24 22:57:18,498 INFO L138 Inliner]: procedures = 502, calls = 62, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 72 [2023-11-24 22:57:18,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:57:18,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:57:18,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:57:18,501 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:57:18,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:18" (1/1) ... [2023-11-24 22:57:18,514 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:18" (1/1) ... [2023-11-24 22:57:18,518 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:18" (1/1) ... [2023-11-24 22:57:18,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:18" (1/1) ... [2023-11-24 22:57:18,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:18" (1/1) ... [2023-11-24 22:57:18,529 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:18" (1/1) ... [2023-11-24 22:57:18,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:18" (1/1) ... [2023-11-24 22:57:18,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:18" (1/1) ... [2023-11-24 22:57:18,537 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:57:18,538 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:57:18,538 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:57:18,538 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:57:18,539 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:57:18" (1/1) ... [2023-11-24 22:57:18,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:57:18,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890122fc-c162-4c90-850f-b6fdf1009348/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:57:18,589 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890122fc-c162-4c90-850f-b6fdf1009348/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:57:18,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890122fc-c162-4c90-850f-b6fdf1009348/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:57:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:57:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:57:18,634 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:57:18,634 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:57:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:57:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:57:18,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:57:18,635 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:57:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:57:18,821 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:57:18,823 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:57:18,986 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:57:19,073 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:57:19,074 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:57:19,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:19 BoogieIcfgContainer [2023-11-24 22:57:19,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:57:19,077 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:57:19,078 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:57:19,091 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:57:19,092 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:19" (1/1) ... [2023-11-24 22:57:19,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:57:19,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:19,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-24 22:57:19,175 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-24 22:57:19,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:57:19,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:19,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:19,631 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 22:57:19,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:19,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 21 transitions. [2023-11-24 22:57:19,678 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-24 22:57:19,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:57:19,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:19,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:19,872 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 22:57:19,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:19,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 20 transitions. [2023-11-24 22:57:19,903 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2023-11-24 22:57:19,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:57:19,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:57:19,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:57:19,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:57:20,053 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 22:57:20,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:57:20,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 19 transitions. [2023-11-24 22:57:20,158 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-11-24 22:57:20,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:57:20,159 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-24 22:57:20,172 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-24 22:57:20,207 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:57:20,213 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:57:20,213 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:57:20,214 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:57:20 ImpRootNode [2023-11-24 22:57:20,214 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:57:20,215 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:57:20,215 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:57:20,216 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:57:20,216 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:57:19" (3/4) ... [2023-11-24 22:57:20,219 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:57:20,224 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:57:20,225 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:57:20,235 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-24 22:57:20,235 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 22:57:20,236 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:57:20,236 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:57:20,392 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890122fc-c162-4c90-850f-b6fdf1009348/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:57:20,393 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890122fc-c162-4c90-850f-b6fdf1009348/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:57:20,393 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:57:20,394 INFO L158 Benchmark]: Toolchain (without parser) took 3791.56ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 101.1MB in the beginning and 139.6MB in the end (delta: -38.5MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2023-11-24 22:57:20,395 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:20,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1798.52ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 100.9MB in the beginning and 136.1MB in the end (delta: -35.3MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. [2023-11-24 22:57:20,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.92ms. Allocated memory is still 207.6MB. Free memory was 136.1MB in the beginning and 133.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:20,397 INFO L158 Benchmark]: Boogie Preprocessor took 36.92ms. Allocated memory is still 207.6MB. Free memory was 133.5MB in the beginning and 132.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:57:20,401 INFO L158 Benchmark]: RCFGBuilder took 538.63ms. Allocated memory is still 207.6MB. Free memory was 132.2MB in the beginning and 116.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:57:20,402 INFO L158 Benchmark]: CodeCheck took 1136.55ms. Allocated memory is still 207.6MB. Free memory was 116.7MB in the beginning and 144.8MB in the end (delta: -28.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:57:20,403 INFO L158 Benchmark]: Witness Printer took 178.56ms. Allocated memory is still 207.6MB. Free memory was 144.8MB in the beginning and 139.6MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:57:20,408 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, 26 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 40 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 28 mSDtfsCounter, 40 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 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, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 39 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1559]: 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: 1593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1595]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1569]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory is still 93.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1798.52ms. Allocated memory was 151.0MB in the beginning and 207.6MB in the end (delta: 56.6MB). Free memory was 100.9MB in the beginning and 136.1MB in the end (delta: -35.3MB). Peak memory consumption was 38.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.92ms. Allocated memory is still 207.6MB. Free memory was 136.1MB in the beginning and 133.5MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.92ms. Allocated memory is still 207.6MB. Free memory was 133.5MB in the beginning and 132.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 538.63ms. Allocated memory is still 207.6MB. Free memory was 132.2MB in the beginning and 116.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1136.55ms. Allocated memory is still 207.6MB. Free memory was 116.7MB in the beginning and 144.8MB in the end (delta: -28.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 178.56ms. Allocated memory is still 207.6MB. Free memory was 144.8MB in the beginning and 139.6MB 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 22:57:20,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_890122fc-c162-4c90-850f-b6fdf1009348/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