./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_53_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_fb162de9-b450-48cc-9ab1-181e5f883ec5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb162de9-b450-48cc-9ab1-181e5f883ec5/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_fb162de9-b450-48cc-9ab1-181e5f883ec5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb162de9-b450-48cc-9ab1-181e5f883ec5/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_53_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb162de9-b450-48cc-9ab1-181e5f883ec5/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_fb162de9-b450-48cc-9ab1-181e5f883ec5/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 d29f552b2f7a5ab7cccbf36a8ad87d10becfb775d347d7d977fde5e0e3b4332f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:54,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:54,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb162de9-b450-48cc-9ab1-181e5f883ec5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:06:54,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:06:54,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:06:54,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:54,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:06:54,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:06:54,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:54,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:54,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:54,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:06:54,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:06:54,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:54,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:06:54,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:54,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:06:54,883 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:06:54,884 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:06:54,884 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:06:54,885 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:54,886 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:54,887 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:54,887 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:54,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:54,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:54,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:54,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:54,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:06:54,890 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:06:54,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:06:54,892 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:06:54,892 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_fb162de9-b450-48cc-9ab1-181e5f883ec5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb162de9-b450-48cc-9ab1-181e5f883ec5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d29f552b2f7a5ab7cccbf36a8ad87d10becfb775d347d7d977fde5e0e3b4332f [2023-11-24 23:06:55,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:55,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:55,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:55,236 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:55,237 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:55,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb162de9-b450-48cc-9ab1-181e5f883ec5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_53_good.i [2023-11-24 23:06:58,494 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:58,910 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:58,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb162de9-b450-48cc-9ab1-181e5f883ec5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_53_good.i [2023-11-24 23:06:58,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb162de9-b450-48cc-9ab1-181e5f883ec5/bin/ukojak-verify-afCqCEvfdi/data/b7fc235c2/9c24666f1f58421ebae296b5811a5641/FLAG4addaa561 [2023-11-24 23:06:58,972 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb162de9-b450-48cc-9ab1-181e5f883ec5/bin/ukojak-verify-afCqCEvfdi/data/b7fc235c2/9c24666f1f58421ebae296b5811a5641 [2023-11-24 23:06:58,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:58,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:58,988 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:58,988 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:58,994 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:58,995 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:58" (1/1) ... [2023-11-24 23:06:58,996 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59faea80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:58, skipping insertion in model container [2023-11-24 23:06:58,996 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:58" (1/1) ... [2023-11-24 23:06:59,068 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:00,158 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:00,172 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:00,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:00,433 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:00,433 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:00,434 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:00,434 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:00,434 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:07:00,442 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:00,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00 WrapperNode [2023-11-24 23:07:00,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:00,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:00,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:00,445 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:00,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,579 INFO L138 Inliner]: procedures = 507, calls = 74, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 88 [2023-11-24 23:07:00,579 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:00,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:00,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:00,581 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:00,590 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,607 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,623 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,627 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,643 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:00,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:00,645 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:00,645 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:00,646 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:00" (1/1) ... [2023-11-24 23:07:00,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:00,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb162de9-b450-48cc-9ab1-181e5f883ec5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:00,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb162de9-b450-48cc-9ab1-181e5f883ec5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:00,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb162de9-b450-48cc-9ab1-181e5f883ec5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:00,732 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:07:00,733 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:07:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:07:00,733 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:07:00,735 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:07:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:07:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:07:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:07:00,735 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:00,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:07:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:07:00,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:07:00,944 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:00,946 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:01,181 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:01,240 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:01,240 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:07:01,242 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:01 BoogieIcfgContainer [2023-11-24 23:07:01,242 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:01,243 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:01,243 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:01,254 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:01,254 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:01" (1/1) ... [2023-11-24 23:07:01,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:07:01,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:01,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 30 states and 35 transitions. [2023-11-24 23:07:01,333 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 35 transitions. [2023-11-24 23:07:01,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:07:01,337 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:01,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:01,765 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 23:07:01,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:01,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 29 states and 34 transitions. [2023-11-24 23:07:01,820 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 34 transitions. [2023-11-24 23:07:01,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:07:01,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:01,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:01,977 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 23:07:02,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:02,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 28 states and 33 transitions. [2023-11-24 23:07:02,006 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2023-11-24 23:07:02,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:07:02,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:02,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:02,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:02,308 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 23:07:02,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:02,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 31 states and 37 transitions. [2023-11-24 23:07:02,403 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions. [2023-11-24 23:07:02,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:07:02,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:02,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:02,478 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 23:07:02,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:02,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 30 states and 36 transitions. [2023-11-24 23:07:02,554 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 36 transitions. [2023-11-24 23:07:02,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:07:02,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:02,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:02,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:02,726 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 23:07:02,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:02,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 26 states and 31 transitions. [2023-11-24 23:07:02,792 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 31 transitions. [2023-11-24 23:07:02,793 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:07:02,793 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2023-11-24 23:07:02,804 INFO L751 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2023-11-24 23:07:02,842 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:07:02,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:07:02 ImpRootNode [2023-11-24 23:07:02,848 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:07:02,848 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:07:02,848 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:07:02,849 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:07:02,849 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:01" (3/4) ... [2023-11-24 23:07:02,851 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:07:02,854 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:07:02,855 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:07:02,864 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-24 23:07:02,865 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-24 23:07:02,865 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:07:02,865 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:07:03,000 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb162de9-b450-48cc-9ab1-181e5f883ec5/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:07:03,000 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb162de9-b450-48cc-9ab1-181e5f883ec5/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:07:03,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:07:03,001 INFO L158 Benchmark]: Toolchain (without parser) took 4022.09ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 70.1MB in the beginning and 60.0MB in the end (delta: 10.1MB). Peak memory consumption was 42.6MB. Max. memory is 16.1GB. [2023-11-24 23:07:03,002 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:03,002 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1455.50ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 70.1MB in the beginning and 73.3MB in the end (delta: -3.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-11-24 23:07:03,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 135.38ms. Allocated memory is still 148.9MB. Free memory was 73.3MB in the beginning and 114.8MB in the end (delta: -41.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-24 23:07:03,003 INFO L158 Benchmark]: Boogie Preprocessor took 63.41ms. Allocated memory is still 148.9MB. Free memory was 114.8MB in the beginning and 113.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:03,003 INFO L158 Benchmark]: RCFGBuilder took 597.98ms. Allocated memory is still 148.9MB. Free memory was 113.6MB in the beginning and 95.9MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:07:03,004 INFO L158 Benchmark]: CodeCheck took 1604.77ms. Allocated memory is still 148.9MB. Free memory was 95.9MB in the beginning and 65.2MB in the end (delta: 30.7MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-11-24 23:07:03,005 INFO L158 Benchmark]: Witness Printer took 152.42ms. Allocated memory is still 148.9MB. Free memory was 65.2MB in the beginning and 60.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:07:03,007 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, 30 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 154 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 69 mSDtfsCounter, 116 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 435 GetRequests, 418 SyntacticMatches, 3 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 58 ConstructedInterpolants, 0 QuantifiedInterpolants, 92 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 2/2 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: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1610]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: 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: 1584]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 119.5MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1455.50ms. Allocated memory was 119.5MB in the beginning and 148.9MB in the end (delta: 29.4MB). Free memory was 70.1MB in the beginning and 73.3MB in the end (delta: -3.2MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 135.38ms. Allocated memory is still 148.9MB. Free memory was 73.3MB in the beginning and 114.8MB in the end (delta: -41.5MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.41ms. Allocated memory is still 148.9MB. Free memory was 114.8MB in the beginning and 113.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 597.98ms. Allocated memory is still 148.9MB. Free memory was 113.6MB in the beginning and 95.9MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1604.77ms. Allocated memory is still 148.9MB. Free memory was 95.9MB in the beginning and 65.2MB in the end (delta: 30.7MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * Witness Printer took 152.42ms. Allocated memory is still 148.9MB. Free memory was 65.2MB in the beginning and 60.0MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:07:03,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fb162de9-b450-48cc-9ab1-181e5f883ec5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE