./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_09_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_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9 --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 7f28571fd79b5fb6d21213e46e33e9090c3dd967c8142f7e7eec7de04c4d24ce --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:46:28,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:46:28,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 01:46:28,957 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:46:28,957 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:46:28,980 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:46:28,981 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:46:28,982 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:46:28,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:46:28,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:46:28,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:46:28,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:46:28,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:46:28,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:46:28,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:46:28,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:46:28,987 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:46:28,987 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:46:28,988 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:46:28,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:46:28,989 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:46:28,990 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:46:28,990 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:46:28,990 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:46:28,991 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:46:28,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:46:28,992 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:46:28,992 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:46:28,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:46:28,993 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:46:28,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:46:28,994 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:46:28,994 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_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f28571fd79b5fb6d21213e46e33e9090c3dd967c8142f7e7eec7de04c4d24ce [2023-12-03 01:46:29,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:46:29,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:46:29,246 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:46:29,248 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:46:29,248 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:46:29,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_09_good.i [2023-12-03 01:46:32,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:46:32,329 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:46:32,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_09_good.i [2023-12-03 01:46:32,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/data/70396f2d8/0c48f8622e80435c99ac862f51072e88/FLAGac9322bdd [2023-12-03 01:46:32,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/data/70396f2d8/0c48f8622e80435c99ac862f51072e88 [2023-12-03 01:46:32,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:46:32,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:46:32,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:46:32,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:46:32,378 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:46:32,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:46:32" (1/1) ... [2023-12-03 01:46:32,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aff1201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:32, skipping insertion in model container [2023-12-03 01:46:32,380 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:46:32" (1/1) ... [2023-12-03 01:46:32,456 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:46:33,216 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:46:33,227 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:46:33,328 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:46:33,409 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:46:33,409 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:46:33,410 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:46:33,410 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:46:33,415 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:46:33,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:33 WrapperNode [2023-12-03 01:46:33,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:46:33,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:46:33,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:46:33,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:46:33,422 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:33" (1/1) ... [2023-12-03 01:46:33,447 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:33" (1/1) ... [2023-12-03 01:46:33,487 INFO L138 Inliner]: procedures = 502, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 103 [2023-12-03 01:46:33,488 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:46:33,489 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:46:33,489 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:46:33,489 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:46:33,496 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:33" (1/1) ... [2023-12-03 01:46:33,497 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:33" (1/1) ... [2023-12-03 01:46:33,500 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:33" (1/1) ... [2023-12-03 01:46:33,500 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:33" (1/1) ... [2023-12-03 01:46:33,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:33" (1/1) ... [2023-12-03 01:46:33,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:33" (1/1) ... [2023-12-03 01:46:33,511 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:33" (1/1) ... [2023-12-03 01:46:33,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:33" (1/1) ... [2023-12-03 01:46:33,516 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:46:33,517 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:46:33,517 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:46:33,517 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:46:33,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:46:33" (1/1) ... [2023-12-03 01:46:33,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:46:33,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:46:33,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:46:33,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:46:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 01:46:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 01:46:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:46:33,578 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:46:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:46:33,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:46:33,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:46:33,579 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:46:33,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:46:33,701 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:46:33,703 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:46:33,864 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:46:33,910 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:46:33,911 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:46:33,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:46:33 BoogieIcfgContainer [2023-12-03 01:46:33,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:46:33,913 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:46:33,914 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:46:33,924 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:46:33,924 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:46:33" (1/1) ... [2023-12-03 01:46:33,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:46:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:33,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 53 states and 67 transitions. [2023-12-03 01:46:33,986 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-12-03 01:46:33,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 01:46:33,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:33,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:34,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:46:34,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:34,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2023-12-03 01:46:34,318 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2023-12-03 01:46:34,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:46:34,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:34,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:34,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:46:34,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:34,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2023-12-03 01:46:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2023-12-03 01:46:34,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 01:46:34,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:34,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:34,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:46:34,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:34,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 49 states and 61 transitions. [2023-12-03 01:46:34,583 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2023-12-03 01:46:34,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 01:46:34,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:34,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:34,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:46:34,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:34,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 52 states and 66 transitions. [2023-12-03 01:46:34,987 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2023-12-03 01:46:34,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:46:34,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:34,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:35,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:46:35,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:35,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 52 states and 65 transitions. [2023-12-03 01:46:35,141 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 65 transitions. [2023-12-03 01:46:35,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:46:35,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:35,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:35,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:46:35,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:35,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 39 states and 46 transitions. [2023-12-03 01:46:35,566 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2023-12-03 01:46:35,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:46:35,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:35,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:35,639 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:46:35,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:35,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 50 transitions. [2023-12-03 01:46:35,678 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2023-12-03 01:46:35,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:46:35,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:35,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:35,719 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:46:35,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:35,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 51 transitions. [2023-12-03 01:46:35,732 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-12-03 01:46:35,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:46:35,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:35,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:35,788 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:46:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:35,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 43 states and 52 transitions. [2023-12-03 01:46:35,903 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2023-12-03 01:46:35,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:46:35,905 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:35,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:35,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:35,938 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-03 01:46:36,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:36,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 35 states and 39 transitions. [2023-12-03 01:46:36,224 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 39 transitions. [2023-12-03 01:46:36,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:46:36,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:36,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:36,338 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:46:36,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:36,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 34 states and 38 transitions. [2023-12-03 01:46:36,413 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-12-03 01:46:36,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:46:36,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:46:36,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:46:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:46:36,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:46:36,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:46:36,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 33 states and 37 transitions. [2023-12-03 01:46:36,545 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-12-03 01:46:36,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:46:36,546 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-12-03 01:46:36,555 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-03 01:46:36,711 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:46:36,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:46:36 ImpRootNode [2023-12-03 01:46:36,716 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:46:36,717 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:46:36,717 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:46:36,717 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:46:36,718 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:46:33" (3/4) ... [2023-12-03 01:46:36,720 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:46:36,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 01:46:36,724 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 01:46:36,729 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2023-12-03 01:46:36,730 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-12-03 01:46:36,730 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 01:46:36,731 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:46:36,836 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:46:36,837 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:46:36,837 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:46:36,837 INFO L158 Benchmark]: Toolchain (without parser) took 4465.91ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 89.3MB in the beginning and 116.3MB in the end (delta: -27.0MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2023-12-03 01:46:36,838 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 96.5MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 144.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:46:36,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1043.06ms. Allocated memory is still 136.3MB. Free memory was 89.1MB in the beginning and 63.0MB in the end (delta: 26.1MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2023-12-03 01:46:36,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.60ms. Allocated memory is still 136.3MB. Free memory was 63.0MB in the beginning and 105.1MB in the end (delta: -42.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-12-03 01:46:36,839 INFO L158 Benchmark]: Boogie Preprocessor took 27.55ms. Allocated memory is still 136.3MB. Free memory was 105.1MB in the beginning and 103.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:46:36,840 INFO L158 Benchmark]: RCFGBuilder took 395.68ms. Allocated memory is still 136.3MB. Free memory was 103.6MB in the beginning and 85.6MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 01:46:36,840 INFO L158 Benchmark]: CodeCheck took 2803.14ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 85.6MB in the beginning and 121.4MB in the end (delta: -35.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. [2023-12-03 01:46:36,841 INFO L158 Benchmark]: Witness Printer took 119.70ms. Allocated memory is still 178.3MB. Free memory was 121.4MB in the beginning and 116.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 01:46:36,843 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: 2.6s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1152 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 331 mSDsluCounter, 892 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 214 mSDsCounter, 260 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 948 IncrementalHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 260 mSolverCounterUnsat, 678 mSDtfsCounter, 948 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1884 GetRequests, 1816 SyntacticMatches, 8 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1293 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 517 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: 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: 1646]: 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 96.5MB. Free memory was 51.4MB in the beginning and 51.3MB in the end (delta: 144.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1043.06ms. Allocated memory is still 136.3MB. Free memory was 89.1MB in the beginning and 63.0MB in the end (delta: 26.1MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.60ms. Allocated memory is still 136.3MB. Free memory was 63.0MB in the beginning and 105.1MB in the end (delta: -42.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.55ms. Allocated memory is still 136.3MB. Free memory was 105.1MB in the beginning and 103.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 395.68ms. Allocated memory is still 136.3MB. Free memory was 103.6MB in the beginning and 85.6MB in the end (delta: 18.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 2803.14ms. Allocated memory was 136.3MB in the beginning and 178.3MB in the end (delta: 41.9MB). Free memory was 85.6MB in the beginning and 121.4MB in the end (delta: -35.9MB). Peak memory consumption was 6.2MB. Max. memory is 16.1GB. * Witness Printer took 119.70ms. Allocated memory is still 178.3MB. Free memory was 121.4MB in the beginning and 116.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 01:46:36,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f68d3cac-6074-47ac-b758-74a132ec8aec/bin/ukojak-verify-Qdu7aM0XO9/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