./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_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_b16ed222-356d-44ba-acbd-01b9289c84ea/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16ed222-356d-44ba-acbd-01b9289c84ea/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_b16ed222-356d-44ba-acbd-01b9289c84ea/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16ed222-356d-44ba-acbd-01b9289c84ea/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16ed222-356d-44ba-acbd-01b9289c84ea/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_b16ed222-356d-44ba-acbd-01b9289c84ea/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 5a3f4caaf6a4997d60a48fcffee94d3f6236ef7a010d20bcbf30cd0ad60759da --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:16,146 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:16,275 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16ed222-356d-44ba-acbd-01b9289c84ea/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:12:16,288 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:16,289 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:16,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:16,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:16,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:16,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:16,339 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:16,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:16,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:16,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:16,343 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:16,343 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:16,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:16,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:16,345 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:12:16,345 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:12:16,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:16,346 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:16,347 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:16,349 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:16,349 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:16,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:16,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:16,351 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:16,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:16,352 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:16,352 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:16,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:16,354 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:16,354 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_b16ed222-356d-44ba-acbd-01b9289c84ea/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16ed222-356d-44ba-acbd-01b9289c84ea/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a3f4caaf6a4997d60a48fcffee94d3f6236ef7a010d20bcbf30cd0ad60759da [2023-11-24 22:12:16,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:16,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:16,641 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:16,642 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:16,643 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:16,644 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16ed222-356d-44ba-acbd-01b9289c84ea/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_good.i [2023-11-24 22:12:19,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:20,157 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:20,158 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16ed222-356d-44ba-acbd-01b9289c84ea/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_15_good.i [2023-11-24 22:12:20,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16ed222-356d-44ba-acbd-01b9289c84ea/bin/ukojak-verify-afCqCEvfdi/data/4e0f2ca62/ad6ce2de3f6e45eb9fc9fc8b910cbb6f/FLAG02a697980 [2023-11-24 22:12:20,214 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16ed222-356d-44ba-acbd-01b9289c84ea/bin/ukojak-verify-afCqCEvfdi/data/4e0f2ca62/ad6ce2de3f6e45eb9fc9fc8b910cbb6f [2023-11-24 22:12:20,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:20,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:20,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:20,226 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:20,232 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:20,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:20" (1/1) ... [2023-11-24 22:12:20,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea8fca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:20, skipping insertion in model container [2023-11-24 22:12:20,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:20" (1/1) ... [2023-11-24 22:12:20,358 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:21,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:21,540 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:21,676 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:21,870 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:21,871 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:21,871 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:21,871 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:12:21,879 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:21,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:21 WrapperNode [2023-11-24 22:12:21,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:21,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:21,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:21,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:21,912 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:21" (1/1) ... [2023-11-24 22:12:21,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:21" (1/1) ... [2023-11-24 22:12:22,001 INFO L138 Inliner]: procedures = 502, calls = 82, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 283 [2023-11-24 22:12:22,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:22,002 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:22,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:22,003 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:22,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:21" (1/1) ... [2023-11-24 22:12:22,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:21" (1/1) ... [2023-11-24 22:12:22,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:21" (1/1) ... [2023-11-24 22:12:22,017 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:21" (1/1) ... [2023-11-24 22:12:22,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:21" (1/1) ... [2023-11-24 22:12:22,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:21" (1/1) ... [2023-11-24 22:12:22,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:21" (1/1) ... [2023-11-24 22:12:22,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:21" (1/1) ... [2023-11-24 22:12:22,045 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:22,046 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:22,046 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:22,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:22,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:21" (1/1) ... [2023-11-24 22:12:22,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:22,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16ed222-356d-44ba-acbd-01b9289c84ea/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:22,099 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16ed222-356d-44ba-acbd-01b9289c84ea/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:22,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16ed222-356d-44ba-acbd-01b9289c84ea/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:12:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:12:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:12:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:12:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:22,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:12:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:12:22,296 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:22,298 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:22,749 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:23,145 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:23,146 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:12:23,148 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:23 BoogieIcfgContainer [2023-11-24 22:12:23,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:23,149 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:23,149 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:23,159 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:23,160 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:23" (1/1) ... [2023-11-24 22:12:23,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:23,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:23,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 79 states and 109 transitions. [2023-11-24 22:12:23,250 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions. [2023-11-24 22:12:23,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:12:23,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:23,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:23,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:23,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:23,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 78 states and 108 transitions. [2023-11-24 22:12:23,678 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 108 transitions. [2023-11-24 22:12:23,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:12:23,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:23,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:23,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:24,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:24,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 84 states and 118 transitions. [2023-11-24 22:12:24,015 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2023-11-24 22:12:24,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:12:24,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:24,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:24,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:24,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 74 states and 101 transitions. [2023-11-24 22:12:24,133 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2023-11-24 22:12:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:12:24,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:24,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:24,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:24,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:24,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 74 states and 100 transitions. [2023-11-24 22:12:24,379 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2023-11-24 22:12:24,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:12:24,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:24,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:24,492 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:12:24,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:24,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 72 states and 96 transitions. [2023-11-24 22:12:24,515 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 96 transitions. [2023-11-24 22:12:24,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:12:24,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:24,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:24,632 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:12:24,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:24,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 95 transitions. [2023-11-24 22:12:24,667 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2023-11-24 22:12:24,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:12:24,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:24,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:24,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:12:25,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:25,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 103 transitions. [2023-11-24 22:12:25,024 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2023-11-24 22:12:25,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:12:25,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:25,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:25,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:12:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:25,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 67 states and 88 transitions. [2023-11-24 22:12:25,147 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-24 22:12:25,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:12:25,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:25,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:25,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:12:25,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:25,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 64 states and 82 transitions. [2023-11-24 22:12:25,393 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2023-11-24 22:12:25,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:12:25,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:25,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:25,537 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 22:12:25,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:25,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 67 states and 87 transitions. [2023-11-24 22:12:25,581 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2023-11-24 22:12:25,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 22:12:25,582 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:25,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:25,741 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 22:12:25,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:25,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 93 transitions. [2023-11-24 22:12:25,892 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2023-11-24 22:12:25,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 22:12:25,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:25,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:25,995 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 22:12:26,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:26,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 60 states and 76 transitions. [2023-11-24 22:12:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-11-24 22:12:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-24 22:12:26,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:26,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:26,171 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 22:12:26,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:26,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 57 states and 70 transitions. [2023-11-24 22:12:26,376 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2023-11-24 22:12:26,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:12:26,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:26,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:26,516 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 22:12:26,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:26,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 60 states and 76 transitions. [2023-11-24 22:12:26,575 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-11-24 22:12:26,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:12:26,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:26,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:26,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:26,722 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 22:12:26,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:26,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 64 states and 83 transitions. [2023-11-24 22:12:26,859 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2023-11-24 22:12:26,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:12:26,861 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:26,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:26,998 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 22:12:27,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:27,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 52 states and 62 transitions. [2023-11-24 22:12:27,053 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2023-11-24 22:12:27,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:12:27,055 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2023-11-24 22:12:27,069 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 22:12:27,192 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:12:27,198 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:12:27,199 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:12:27,202 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:12:27,203 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:12:27,204 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:12:27,204 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:12:27,204 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:12:27,205 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:12:27,208 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:12:27 ImpRootNode [2023-11-24 22:12:27,208 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:12:27,209 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:12:27,214 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:12:27,215 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:12:27,215 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:23" (3/4) ... [2023-11-24 22:12:27,217 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:12:27,221 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:12:27,221 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:12:27,244 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 59 nodes and edges [2023-11-24 22:12:27,245 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-24 22:12:27,246 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:12:27,247 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:12:27,248 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:12:27,433 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16ed222-356d-44ba-acbd-01b9289c84ea/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:12:27,434 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16ed222-356d-44ba-acbd-01b9289c84ea/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:12:27,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:12:27,435 INFO L158 Benchmark]: Toolchain (without parser) took 7213.17ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 114.2MB in the beginning and 127.5MB in the end (delta: -13.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-11-24 22:12:27,435 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 127.9MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:27,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1667.86ms. Allocated memory is still 161.5MB. Free memory was 114.2MB in the beginning and 126.8MB in the end (delta: -12.6MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2023-11-24 22:12:27,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.27ms. Allocated memory is still 161.5MB. Free memory was 126.8MB in the beginning and 123.3MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:27,437 INFO L158 Benchmark]: Boogie Preprocessor took 42.80ms. Allocated memory is still 161.5MB. Free memory was 122.6MB in the beginning and 121.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:27,437 INFO L158 Benchmark]: RCFGBuilder took 1102.41ms. Allocated memory is still 161.5MB. Free memory was 120.5MB in the beginning and 116.4MB in the end (delta: 4.1MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2023-11-24 22:12:27,438 INFO L158 Benchmark]: CodeCheck took 4059.17ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 116.4MB in the beginning and 135.9MB in the end (delta: -19.5MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:27,438 INFO L158 Benchmark]: Witness Printer took 225.89ms. Allocated memory is still 195.0MB. Free memory was 135.9MB in the beginning and 127.5MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:12:27,440 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: 3.9s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1988 SdHoareTripleChecker+Valid, 2.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 326 mSDsluCounter, 1591 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 380 mSDsCounter, 390 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 813 IncrementalHoareTripleChecker+Invalid, 1203 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 390 mSolverCounterUnsat, 1211 mSDtfsCounter, 813 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3156 GetRequests, 3106 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 605 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 378 ConstructedInterpolants, 0 QuantifiedInterpolants, 466 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 0.38ms. Allocated memory is still 127.9MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1667.86ms. Allocated memory is still 161.5MB. Free memory was 114.2MB in the beginning and 126.8MB in the end (delta: -12.6MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.27ms. Allocated memory is still 161.5MB. Free memory was 126.8MB in the beginning and 123.3MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.80ms. Allocated memory is still 161.5MB. Free memory was 122.6MB in the beginning and 121.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1102.41ms. Allocated memory is still 161.5MB. Free memory was 120.5MB in the beginning and 116.4MB in the end (delta: 4.1MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * CodeCheck took 4059.17ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 116.4MB in the beginning and 135.9MB in the end (delta: -19.5MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Witness Printer took 225.89ms. Allocated memory is still 195.0MB. Free memory was 135.9MB in the beginning and 127.5MB in the end (delta: 8.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:12:27,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b16ed222-356d-44ba-acbd-01b9289c84ea/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