./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_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_35e2ddf2-f614-4e22-81b9-2fd238b89e83/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e2ddf2-f614-4e22-81b9-2fd238b89e83/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_35e2ddf2-f614-4e22-81b9-2fd238b89e83/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e2ddf2-f614-4e22-81b9-2fd238b89e83/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e2ddf2-f614-4e22-81b9-2fd238b89e83/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_35e2ddf2-f614-4e22-81b9-2fd238b89e83/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 77769dba35bdbea7738dff8a9029e922d560bdc740cd2291a5a5783b316858d6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:45:08,585 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:45:08,655 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e2ddf2-f614-4e22-81b9-2fd238b89e83/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:45:08,660 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:45:08,660 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:45:08,685 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:45:08,686 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:45:08,687 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:45:08,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:45:08,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:45:08,689 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:45:08,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:45:08,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:45:08,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:45:08,691 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:45:08,692 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:45:08,692 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:45:08,693 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:45:08,693 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:45:08,694 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:45:08,695 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:45:08,696 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:45:08,697 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:45:08,697 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:45:08,698 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:45:08,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:45:08,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:45:08,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:45:08,700 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:45:08,700 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:45:08,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:45:08,701 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:45:08,701 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_35e2ddf2-f614-4e22-81b9-2fd238b89e83/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e2ddf2-f614-4e22-81b9-2fd238b89e83/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77769dba35bdbea7738dff8a9029e922d560bdc740cd2291a5a5783b316858d6 [2023-12-02 23:45:08,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:45:08,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:45:08,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:45:08,964 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:45:08,965 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:45:08,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e2ddf2-f614-4e22-81b9-2fd238b89e83/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_good.i [2023-12-02 23:45:11,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:45:12,056 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:45:12,057 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e2ddf2-f614-4e22-81b9-2fd238b89e83/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_good.i [2023-12-02 23:45:12,080 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e2ddf2-f614-4e22-81b9-2fd238b89e83/bin/ukojak-verify-Qdu7aM0XO9/data/ab93e635f/f5f0fa1c59ca49a1855edd22d4c61a64/FLAG8b1f3f8c2 [2023-12-02 23:45:12,094 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e2ddf2-f614-4e22-81b9-2fd238b89e83/bin/ukojak-verify-Qdu7aM0XO9/data/ab93e635f/f5f0fa1c59ca49a1855edd22d4c61a64 [2023-12-02 23:45:12,097 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:45:12,098 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:45:12,100 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:45:12,100 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:45:12,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:45:12,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:45:12" (1/1) ... [2023-12-02 23:45:12,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355487ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:12, skipping insertion in model container [2023-12-02 23:45:12,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:45:12" (1/1) ... [2023-12-02 23:45:12,168 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:45:12,972 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:45:12,983 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:45:13,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:45:13,209 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:45:13,209 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:45:13,209 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:45:13,209 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:45:13,215 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:45:13,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:13 WrapperNode [2023-12-02 23:45:13,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:45:13,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:45:13,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:45:13,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:45:13,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:13" (1/1) ... [2023-12-02 23:45:13,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:13" (1/1) ... [2023-12-02 23:45:13,280 INFO L138 Inliner]: procedures = 502, calls = 70, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 195 [2023-12-02 23:45:13,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:45:13,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:45:13,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:45:13,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:45:13,292 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:13" (1/1) ... [2023-12-02 23:45:13,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:13" (1/1) ... [2023-12-02 23:45:13,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:13" (1/1) ... [2023-12-02 23:45:13,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:13" (1/1) ... [2023-12-02 23:45:13,305 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:13" (1/1) ... [2023-12-02 23:45:13,308 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:13" (1/1) ... [2023-12-02 23:45:13,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:13" (1/1) ... [2023-12-02 23:45:13,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:13" (1/1) ... [2023-12-02 23:45:13,315 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:45:13,316 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:45:13,316 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:45:13,316 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:45:13,317 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:45:13" (1/1) ... [2023-12-02 23:45:13,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:45:13,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e2ddf2-f614-4e22-81b9-2fd238b89e83/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:45:13,354 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e2ddf2-f614-4e22-81b9-2fd238b89e83/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:45:13,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e2ddf2-f614-4e22-81b9-2fd238b89e83/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:45:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-02 23:45:13,391 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-02 23:45:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:45:13,391 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:45:13,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:45:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:45:13,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:45:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:45:13,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:45:13,533 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:45:13,535 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:45:13,824 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:45:14,091 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:45:14,092 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-02 23:45:14,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:14 BoogieIcfgContainer [2023-12-02 23:45:14,093 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:45:14,094 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:45:14,094 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:45:14,103 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:45:14,103 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:14" (1/1) ... [2023-12-02 23:45:14,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:45:14,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:14,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 54 states and 69 transitions. [2023-12-02 23:45:14,160 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 69 transitions. [2023-12-02 23:45:14,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:45:14,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:14,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:14,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:14,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 51 states and 64 transitions. [2023-12-02 23:45:14,477 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2023-12-02 23:45:14,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 23:45:14,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:14,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:14,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:14,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:14,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 63 transitions. [2023-12-02 23:45:14,623 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 63 transitions. [2023-12-02 23:45:14,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 23:45:14,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:14,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:14,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 49 states and 62 transitions. [2023-12-02 23:45:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions. [2023-12-02 23:45:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 23:45:14,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:14,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:14,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:14,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 61 transitions. [2023-12-02 23:45:14,889 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2023-12-02 23:45:14,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 23:45:14,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:14,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:14,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:14,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:14,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 45 states and 56 transitions. [2023-12-02 23:45:14,998 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-12-02 23:45:14,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 23:45:14,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:14,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:15,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:15,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:15,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:15,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 44 states and 54 transitions. [2023-12-02 23:45:15,165 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2023-12-02 23:45:15,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 23:45:15,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:15,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:15,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:15,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:15,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:15,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 43 states and 53 transitions. [2023-12-02 23:45:15,281 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2023-12-02 23:45:15,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 23:45:15,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:45:15,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:45:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:45:15,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:45:15,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:45:15,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 42 states and 51 transitions. [2023-12-02 23:45:15,442 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-12-02 23:45:15,442 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:45:15,443 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2023-12-02 23:45:15,451 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-02 23:45:15,501 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:45:15,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:45:15 ImpRootNode [2023-12-02 23:45:15,505 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:45:15,506 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:45:15,506 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:45:15,506 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:45:15,507 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:45:14" (3/4) ... [2023-12-02 23:45:15,508 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:45:15,511 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-02 23:45:15,511 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-02 23:45:15,518 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 57 nodes and edges [2023-12-02 23:45:15,519 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-02 23:45:15,520 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 23:45:15,520 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:45:15,620 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e2ddf2-f614-4e22-81b9-2fd238b89e83/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:45:15,620 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e2ddf2-f614-4e22-81b9-2fd238b89e83/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:45:15,620 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:45:15,621 INFO L158 Benchmark]: Toolchain (without parser) took 3522.85ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 124.1MB in the beginning and 128.4MB in the end (delta: -4.3MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2023-12-02 23:45:15,622 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 109.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:45:15,622 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1115.88ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 124.1MB in the beginning and 175.2MB in the end (delta: -51.1MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. [2023-12-02 23:45:15,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.57ms. Allocated memory is still 226.5MB. Free memory was 175.2MB in the beginning and 171.0MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:45:15,623 INFO L158 Benchmark]: Boogie Preprocessor took 33.56ms. Allocated memory is still 226.5MB. Free memory was 171.0MB in the beginning and 168.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:45:15,623 INFO L158 Benchmark]: RCFGBuilder took 777.30ms. Allocated memory is still 226.5MB. Free memory was 168.9MB in the beginning and 174.4MB in the end (delta: -5.5MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2023-12-02 23:45:15,624 INFO L158 Benchmark]: CodeCheck took 1411.26ms. Allocated memory is still 226.5MB. Free memory was 174.4MB in the beginning and 135.6MB in the end (delta: 38.8MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2023-12-02 23:45:15,624 INFO L158 Benchmark]: Witness Printer took 114.83ms. Allocated memory is still 226.5MB. Free memory was 135.6MB in the beginning and 128.4MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 23:45:15,625 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, 54 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 452 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 220 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 94 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 374 IncrementalHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 94 mSolverCounterUnsat, 206 mSDtfsCounter, 374 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 910 GetRequests, 886 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 176 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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: 1650]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 109.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1115.88ms. Allocated memory was 167.8MB in the beginning and 226.5MB in the end (delta: 58.7MB). Free memory was 124.1MB in the beginning and 175.2MB in the end (delta: -51.1MB). Peak memory consumption was 63.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.57ms. Allocated memory is still 226.5MB. Free memory was 175.2MB in the beginning and 171.0MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.56ms. Allocated memory is still 226.5MB. Free memory was 171.0MB in the beginning and 168.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 777.30ms. Allocated memory is still 226.5MB. Free memory was 168.9MB in the beginning and 174.4MB in the end (delta: -5.5MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * CodeCheck took 1411.26ms. Allocated memory is still 226.5MB. Free memory was 174.4MB in the beginning and 135.6MB in the end (delta: 38.8MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. * Witness Printer took 114.83ms. Allocated memory is still 226.5MB. Free memory was 135.6MB in the beginning and 128.4MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 23:45:15,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35e2ddf2-f614-4e22-81b9-2fd238b89e83/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