./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/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_a4ae7baa-308e-45b6-b735-3bdfb02d4447/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/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_a4ae7baa-308e-45b6-b735-3bdfb02d4447/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 a1dbf7e2eb7d89429a091ba20920f5c1d14c563cd21f76567c8e99a8b1f781b5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:37:49,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:37:49,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:37:49,236 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:37:49,236 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:37:49,259 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:37:49,260 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:37:49,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:37:49,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:37:49,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:37:49,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:37:49,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:37:49,263 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:37:49,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:37:49,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:37:49,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:37:49,265 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:37:49,266 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:37:49,266 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:37:49,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:37:49,267 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:37:49,268 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:37:49,268 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:37:49,269 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:37:49,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:37:49,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:37:49,270 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:37:49,270 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:37:49,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:37:49,271 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:37:49,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:37:49,282 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:37:49,282 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_a4ae7baa-308e-45b6-b735-3bdfb02d4447/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1dbf7e2eb7d89429a091ba20920f5c1d14c563cd21f76567c8e99a8b1f781b5 [2023-12-03 03:37:49,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:37:49,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:37:49,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:37:49,549 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:37:49,549 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:37:49,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_good.i [2023-12-03 03:37:52,234 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:37:52,545 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:37:52,546 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_15_good.i [2023-12-03 03:37:52,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/bin/ukojak-verify-Qdu7aM0XO9/data/897237ee2/ec742368a967497993d421764419997b/FLAG3d5c58fa5 [2023-12-03 03:37:52,586 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/bin/ukojak-verify-Qdu7aM0XO9/data/897237ee2/ec742368a967497993d421764419997b [2023-12-03 03:37:52,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:37:52,590 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:37:52,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:37:52,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:37:52,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:37:52,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:37:52" (1/1) ... [2023-12-03 03:37:52,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@677f007a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:37:52, skipping insertion in model container [2023-12-03 03:37:52,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:37:52" (1/1) ... [2023-12-03 03:37:52,661 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:37:53,434 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:37:53,446 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:37:53,538 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:37:53,704 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:37:53,704 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:37:53,704 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:37:53,704 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:37:53,722 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:37:53,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:37:53 WrapperNode [2023-12-03 03:37:53,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:37:53,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:37:53,725 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:37:53,725 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:37:53,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:37:53" (1/1) ... [2023-12-03 03:37:53,764 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:37:53" (1/1) ... [2023-12-03 03:37:53,795 INFO L138 Inliner]: procedures = 502, calls = 98, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 209 [2023-12-03 03:37:53,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:37:53,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:37:53,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:37:53,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:37:53,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:37:53" (1/1) ... [2023-12-03 03:37:53,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:37:53" (1/1) ... [2023-12-03 03:37:53,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:37:53" (1/1) ... [2023-12-03 03:37:53,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:37:53" (1/1) ... [2023-12-03 03:37:53,820 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:37:53" (1/1) ... [2023-12-03 03:37:53,822 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:37:53" (1/1) ... [2023-12-03 03:37:53,825 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:37:53" (1/1) ... [2023-12-03 03:37:53,827 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:37:53" (1/1) ... [2023-12-03 03:37:53,831 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:37:53,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:37:53,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:37:53,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:37:53,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:37:53" (1/1) ... [2023-12-03 03:37:53,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:37:53,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:37:53,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:37:53,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:37:53,901 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 03:37:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 03:37:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:37:53,902 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:37:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:37:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:37:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:37:53,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:37:53,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:37:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:37:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:37:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:37:53,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:37:54,065 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:37:54,067 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:37:54,283 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:37:54,325 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:37:54,325 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:37:54,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:37:54 BoogieIcfgContainer [2023-12-03 03:37:54,327 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:37:54,328 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:37:54,328 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:37:54,338 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:37:54,338 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:37:54" (1/1) ... [2023-12-03 03:37:54,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:37:54,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:54,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 79 states and 109 transitions. [2023-12-03 03:37:54,401 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2023-12-03 03:37:54,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:37:54,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:54,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:54,729 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 03:37:54,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:54,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 78 states and 108 transitions. [2023-12-03 03:37:54,785 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2023-12-03 03:37:54,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:37:54,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:54,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:55,024 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 03:37:55,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:55,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2023-12-03 03:37:55,176 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2023-12-03 03:37:55,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:37:55,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:55,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:55,228 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 03:37:55,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:55,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 101 transitions. [2023-12-03 03:37:55,258 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2023-12-03 03:37:55,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-12-03 03:37:55,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:55,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:55,318 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 03:37:55,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:55,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 100 transitions. [2023-12-03 03:37:55,420 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2023-12-03 03:37:55,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:37:55,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:55,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:55,460 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 03:37:55,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:55,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 72 states and 96 transitions. [2023-12-03 03:37:55,474 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2023-12-03 03:37:55,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 03:37:55,475 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:55,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:55,608 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 03:37:55,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:55,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 95 transitions. [2023-12-03 03:37:55,680 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2023-12-03 03:37:55,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:37:55,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:55,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:55,953 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 03:37:56,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:56,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 103 transitions. [2023-12-03 03:37:56,199 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2023-12-03 03:37:56,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:37:56,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:56,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:56,270 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 03:37:56,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:56,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 88 transitions. [2023-12-03 03:37:56,317 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-12-03 03:37:56,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:37:56,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:56,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:56,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:56,389 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 03:37:56,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:56,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 64 states and 82 transitions. [2023-12-03 03:37:56,555 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2023-12-03 03:37:56,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:37:56,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:56,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:56,710 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 03:37:56,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:56,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 67 states and 87 transitions. [2023-12-03 03:37:56,819 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2023-12-03 03:37:56,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:37:56,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:56,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:56,995 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 03:37:57,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:57,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 93 transitions. [2023-12-03 03:37:57,253 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2023-12-03 03:37:57,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 03:37:57,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:57,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:57,336 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 03:37:57,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:57,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 60 states and 76 transitions. [2023-12-03 03:37:57,388 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-12-03 03:37:57,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-12-03 03:37:57,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:57,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:57,471 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 03:37:57,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:57,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 57 states and 70 transitions. [2023-12-03 03:37:57,675 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2023-12-03 03:37:57,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-12-03 03:37:57,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:57,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:57,829 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 03:37:57,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:57,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 60 states and 76 transitions. [2023-12-03 03:37:57,960 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-12-03 03:37:57,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 03:37:57,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:57,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:58,121 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 03:37:58,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:58,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 64 states and 83 transitions. [2023-12-03 03:37:58,440 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2023-12-03 03:37:58,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-12-03 03:37:58,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:37:58,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:37:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:37:58,535 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 03:37:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:37:58,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 52 states and 62 transitions. [2023-12-03 03:37:58,599 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-12-03 03:37:58,600 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:37:58,600 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2023-12-03 03:37:58,608 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-03 03:37:58,723 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:37:58,727 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:37:58,727 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:37:58,727 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:37:58,727 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:37:58,727 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:37:58,728 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:37:58,728 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:37:58,728 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:37:58,728 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:37:58 ImpRootNode [2023-12-03 03:37:58,728 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:37:58,729 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:37:58,729 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:37:58,729 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:37:58,730 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:37:54" (3/4) ... [2023-12-03 03:37:58,732 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:37:58,735 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 03:37:58,735 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 03:37:58,741 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2023-12-03 03:37:58,742 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-03 03:37:58,742 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 03:37:58,743 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:37:58,744 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:37:58,839 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:37:58,840 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:37:58,840 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:37:58,841 INFO L158 Benchmark]: Toolchain (without parser) took 6250.24ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 138.4MB in the beginning and 88.7MB in the end (delta: 49.6MB). Peak memory consumption was 84.9MB. Max. memory is 16.1GB. [2023-12-03 03:37:58,841 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:37:58,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1131.50ms. Allocated memory is still 169.9MB. Free memory was 138.4MB in the beginning and 125.3MB in the end (delta: 13.1MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-03 03:37:58,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.58ms. Allocated memory is still 169.9MB. Free memory was 125.3MB in the beginning and 122.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:37:58,843 INFO L158 Benchmark]: Boogie Preprocessor took 35.40ms. Allocated memory is still 169.9MB. Free memory was 122.2MB in the beginning and 120.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:37:58,843 INFO L158 Benchmark]: RCFGBuilder took 494.76ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 98.0MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:37:58,843 INFO L158 Benchmark]: CodeCheck took 4400.32ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 98.0MB in the beginning and 96.1MB in the end (delta: 1.9MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2023-12-03 03:37:58,843 INFO L158 Benchmark]: Witness Printer took 111.18ms. Allocated memory is still 205.5MB. Free memory was 96.1MB in the beginning and 88.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-03 03:37:58,845 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, 79 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1886 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 240 mSDsluCounter, 1416 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 278 mSDsCounter, 503 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1195 IncrementalHoareTripleChecker+Invalid, 1698 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 503 mSolverCounterUnsat, 1138 mSDtfsCounter, 1195 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3216 GetRequests, 3138 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1439 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 514 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 58/58 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1569]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1598]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1656]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1656]: 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: 1593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1616]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1678]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1625]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1643]: Loop Invariant Derived loop invariant: 1 - 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 0.20ms. Allocated memory is still 121.6MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1131.50ms. Allocated memory is still 169.9MB. Free memory was 138.4MB in the beginning and 125.3MB in the end (delta: 13.1MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.58ms. Allocated memory is still 169.9MB. Free memory was 125.3MB in the beginning and 122.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.40ms. Allocated memory is still 169.9MB. Free memory was 122.2MB in the beginning and 120.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 494.76ms. Allocated memory is still 169.9MB. Free memory was 120.1MB in the beginning and 98.0MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 4400.32ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 98.0MB in the beginning and 96.1MB in the end (delta: 1.9MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * Witness Printer took 111.18ms. Allocated memory is still 205.5MB. Free memory was 96.1MB in the beginning and 88.7MB in the end (delta: 7.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 03:37:58,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4ae7baa-308e-45b6-b735-3bdfb02d4447/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