./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_05_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_7b210b42-a3a5-4111-9316-87ee48d91b7f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b210b42-a3a5-4111-9316-87ee48d91b7f/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_7b210b42-a3a5-4111-9316-87ee48d91b7f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b210b42-a3a5-4111-9316-87ee48d91b7f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b210b42-a3a5-4111-9316-87ee48d91b7f/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_7b210b42-a3a5-4111-9316-87ee48d91b7f/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 f46d312028d20caf9c51cea3b6cf79880ec22c1fa902b0edb15571f0055202f6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:27,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:27,532 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b210b42-a3a5-4111-9316-87ee48d91b7f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:08:27,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:08:27,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:08:27,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:27,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:27,593 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:27,595 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:27,600 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:27,601 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:27,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:27,602 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:08:27,604 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:27,604 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:27,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:27,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:27,606 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:08:27,607 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:27,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:27,608 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:27,609 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:27,609 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:27,610 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:27,611 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:27,611 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:27,612 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:27,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:27,613 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:27,613 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:08:27,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:08:27,615 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:27,616 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_7b210b42-a3a5-4111-9316-87ee48d91b7f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b210b42-a3a5-4111-9316-87ee48d91b7f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f46d312028d20caf9c51cea3b6cf79880ec22c1fa902b0edb15571f0055202f6 [2023-11-24 23:08:27,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:28,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:28,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:28,007 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:28,008 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:28,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b210b42-a3a5-4111-9316-87ee48d91b7f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_05_good.i [2023-11-24 23:08:31,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:31,711 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:31,712 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b210b42-a3a5-4111-9316-87ee48d91b7f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_postinc_05_good.i [2023-11-24 23:08:31,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b210b42-a3a5-4111-9316-87ee48d91b7f/bin/ukojak-verify-afCqCEvfdi/data/4e48d68eb/18a9a26385b542b4ad5890ff996186f0/FLAGd9413eb80 [2023-11-24 23:08:31,782 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b210b42-a3a5-4111-9316-87ee48d91b7f/bin/ukojak-verify-afCqCEvfdi/data/4e48d68eb/18a9a26385b542b4ad5890ff996186f0 [2023-11-24 23:08:31,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:31,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:31,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:31,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:31,803 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:31,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:31" (1/1) ... [2023-11-24 23:08:31,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df128ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:31, skipping insertion in model container [2023-11-24 23:08:31,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:31" (1/1) ... [2023-11-24 23:08:31,901 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:33,085 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:33,097 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:33,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:33,395 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:33,395 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:33,395 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:33,396 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:33,404 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:33,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:33 WrapperNode [2023-11-24 23:08:33,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:33,406 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:33,406 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:33,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:33,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:33" (1/1) ... [2023-11-24 23:08:33,440 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:33" (1/1) ... [2023-11-24 23:08:33,467 INFO L138 Inliner]: procedures = 502, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 105 [2023-11-24 23:08:33,476 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:33,477 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:33,477 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:33,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:33,487 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:33" (1/1) ... [2023-11-24 23:08:33,487 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:33" (1/1) ... [2023-11-24 23:08:33,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:33" (1/1) ... [2023-11-24 23:08:33,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:33" (1/1) ... [2023-11-24 23:08:33,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:33" (1/1) ... [2023-11-24 23:08:33,511 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:33" (1/1) ... [2023-11-24 23:08:33,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:33" (1/1) ... [2023-11-24 23:08:33,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:33" (1/1) ... [2023-11-24 23:08:33,518 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:33,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:33,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:33,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:33,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:33" (1/1) ... [2023-11-24 23:08:33,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:33,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b210b42-a3a5-4111-9316-87ee48d91b7f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:33,567 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b210b42-a3a5-4111-9316-87ee48d91b7f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:33,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b210b42-a3a5-4111-9316-87ee48d91b7f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:33,607 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:08:33,608 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:08:33,608 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:08:33,609 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:08:33,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:33,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:08:33,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:08:33,819 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:33,824 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:34,046 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:34,130 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:34,131 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:08:34,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:34 BoogieIcfgContainer [2023-11-24 23:08:34,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:34,134 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:34,134 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:34,144 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:34,145 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:34" (1/1) ... [2023-11-24 23:08:34,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:34,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:34,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2023-11-24 23:08:34,220 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-11-24 23:08:34,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:08:34,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:34,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:34,597 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 23:08:34,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:34,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 47 states and 59 transitions. [2023-11-24 23:08:34,653 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-24 23:08:34,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:08:34,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:34,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:34,769 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 23:08:35,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:35,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 55 transitions. [2023-11-24 23:08:35,003 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2023-11-24 23:08:35,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:08:35,004 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:35,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:35,302 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 23:08:35,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:35,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 39 states and 47 transitions. [2023-11-24 23:08:35,663 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-24 23:08:35,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:08:35,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:35,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:35,806 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 23:08:35,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:35,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 39 states and 46 transitions. [2023-11-24 23:08:35,924 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-11-24 23:08:35,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:08:35,925 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:35,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:36,091 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:36,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:36,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 41 states and 50 transitions. [2023-11-24 23:08:36,168 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-11-24 23:08:36,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:08:36,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:36,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:36,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:36,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 42 states and 51 transitions. [2023-11-24 23:08:36,266 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-11-24 23:08:36,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:08:36,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:36,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:36,372 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:36,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:36,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 43 states and 52 transitions. [2023-11-24 23:08:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-11-24 23:08:36,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:08:36,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:36,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:36,546 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:08:36,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:36,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 35 states and 39 transitions. [2023-11-24 23:08:36,895 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-11-24 23:08:36,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:08:36,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:36,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:36,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:37,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:37,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:37,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 34 states and 38 transitions. [2023-11-24 23:08:37,306 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-11-24 23:08:37,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:08:37,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:37,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:37,487 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:37,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 33 states and 37 transitions. [2023-11-24 23:08:37,512 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-24 23:08:37,513 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:08:37,514 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2023-11-24 23:08:37,527 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 23:08:37,685 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:08:37,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:08:37 ImpRootNode [2023-11-24 23:08:37,691 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:08:37,692 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:08:37,692 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:08:37,693 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:08:37,693 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:34" (3/4) ... [2023-11-24 23:08:37,695 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:08:37,699 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:08:37,699 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:08:37,707 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-11-24 23:08:37,707 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 23:08:37,708 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:08:37,708 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:08:37,848 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b210b42-a3a5-4111-9316-87ee48d91b7f/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:08:37,848 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b210b42-a3a5-4111-9316-87ee48d91b7f/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:08:37,849 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:08:37,850 INFO L158 Benchmark]: Toolchain (without parser) took 6059.54ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 119.1MB in the beginning and 135.3MB in the end (delta: -16.2MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-11-24 23:08:37,850 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 134.2MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:37,850 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1608.34ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 113.8MB in the end (delta: 4.9MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. [2023-11-24 23:08:37,851 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.47ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 110.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:08:37,851 INFO L158 Benchmark]: Boogie Preprocessor took 40.72ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 109.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:37,852 INFO L158 Benchmark]: RCFGBuilder took 612.31ms. Allocated memory is still 167.8MB. Free memory was 109.2MB in the beginning and 90.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:08:37,852 INFO L158 Benchmark]: CodeCheck took 3557.76ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 90.8MB in the beginning and 141.5MB in the end (delta: -50.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:08:37,853 INFO L158 Benchmark]: Witness Printer took 156.83ms. Allocated memory is still 201.3MB. Free memory was 141.5MB in the beginning and 135.3MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:08:37,855 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, 53 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 885 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 230 mSDsluCounter, 747 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 219 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 732 IncrementalHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 219 mSolverCounterUnsat, 561 mSDtfsCounter, 732 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1676 GetRequests, 1608 SyntacticMatches, 8 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1222 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 210 NumberOfCodeBlocks, 210 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 477 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 48/48 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1648]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 134.2MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1608.34ms. Allocated memory is still 167.8MB. Free memory was 118.8MB in the beginning and 113.8MB in the end (delta: 4.9MB). Peak memory consumption was 53.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.47ms. Allocated memory is still 167.8MB. Free memory was 113.8MB in the beginning and 110.4MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.72ms. Allocated memory is still 167.8MB. Free memory was 110.4MB in the beginning and 109.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 612.31ms. Allocated memory is still 167.8MB. Free memory was 109.2MB in the beginning and 90.8MB in the end (delta: 18.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 3557.76ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 90.8MB in the beginning and 141.5MB in the end (delta: -50.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 156.83ms. Allocated memory is still 201.3MB. Free memory was 141.5MB in the beginning and 135.3MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:08:37,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b210b42-a3a5-4111-9316-87ee48d91b7f/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