./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV --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 24c04267f9f0764fe7131a06ba55ffdc9d502ad378fc3a3a7330afcaf1610954 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:43:23,317 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:43:23,406 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:43:23,412 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:43:23,412 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:43:23,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:43:23,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:43:23,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:43:23,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:43:23,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:43:23,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:43:23,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:43:23,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:43:23,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:43:23,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:43:23,447 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:43:23,447 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:43:23,448 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:43:23,449 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:43:23,449 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:43:23,450 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:43:23,456 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:43:23,457 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:43:23,457 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:43:23,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:23,459 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:43:23,459 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:43:23,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:43:23,470 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:43:23,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:43:23,471 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:43:23,471 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_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 24c04267f9f0764fe7131a06ba55ffdc9d502ad378fc3a3a7330afcaf1610954 [2023-11-11 23:43:23,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:43:23,801 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:43:23,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:43:23,807 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:43:23,808 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:43:23,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_08_good.i [2023-11-11 23:43:29,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:43:29,580 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:43:29,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_08_good.i [2023-11-11 23:43:29,616 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/data/b6f53560a/4663ef0a78c1493eb67ee1900422b4ff/FLAG4314b9d50 [2023-11-11 23:43:29,634 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/data/b6f53560a/4663ef0a78c1493eb67ee1900422b4ff [2023-11-11 23:43:29,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:43:29,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:43:29,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:29,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:43:29,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:43:29,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:29" (1/1) ... [2023-11-11 23:43:29,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d483acd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:29, skipping insertion in model container [2023-11-11 23:43:29,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:43:29" (1/1) ... [2023-11-11 23:43:29,723 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:43:30,192 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:43:30,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:30,852 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:43:30,887 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:43:31,038 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:43:31,207 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:43:31,207 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:43:31,208 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:43:31,208 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:43:31,208 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:43:31,217 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:43:31,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:31 WrapperNode [2023-11-11 23:43:31,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:43:31,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:31,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:43:31,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:43:31,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:31" (1/1) ... [2023-11-11 23:43:31,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:31" (1/1) ... [2023-11-11 23:43:31,318 INFO L138 Inliner]: procedures = 505, calls = 79, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 224 [2023-11-11 23:43:31,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:43:31,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:43:31,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:43:31,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:43:31,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:31" (1/1) ... [2023-11-11 23:43:31,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:31" (1/1) ... [2023-11-11 23:43:31,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:31" (1/1) ... [2023-11-11 23:43:31,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:31" (1/1) ... [2023-11-11 23:43:31,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:31" (1/1) ... [2023-11-11 23:43:31,365 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:31" (1/1) ... [2023-11-11 23:43:31,370 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:31" (1/1) ... [2023-11-11 23:43:31,373 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:31" (1/1) ... [2023-11-11 23:43:31,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:43:31,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:43:31,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:43:31,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:43:31,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:43:31" (1/1) ... [2023-11-11 23:43:31,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:43:31,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:43:31,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:43:31,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:43:31,489 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:43:31,489 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:43:31,491 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:43:31,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:43:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:43:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:43:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:43:31,492 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-11 23:43:31,492 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-11 23:43:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2023-11-11 23:43:31,493 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2023-11-11 23:43:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:43:31,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:43:31,691 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:43:31,693 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:43:32,154 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:43:32,553 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:43:32,554 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:43:32,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:32 BoogieIcfgContainer [2023-11-11 23:43:32,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:43:32,559 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:43:32,559 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:43:32,570 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:43:32,571 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:32" (1/1) ... [2023-11-11 23:43:32,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:43:32,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:32,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 69 states and 89 transitions. [2023-11-11 23:43:32,663 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2023-11-11 23:43:32,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:43:32,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:32,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:32,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:33,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:33,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:33,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 68 states and 88 transitions. [2023-11-11 23:43:33,665 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-11 23:43:33,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:43:33,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:33,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:33,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:43:33,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:33,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 87 transitions. [2023-11-11 23:43:33,853 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2023-11-11 23:43:33,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:43:33,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:33,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:34,016 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:43:34,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:34,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 84 transitions. [2023-11-11 23:43:34,211 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 84 transitions. [2023-11-11 23:43:34,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:43:34,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:34,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:34,639 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:43:34,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:34,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 65 states and 83 transitions. [2023-11-11 23:43:34,762 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 83 transitions. [2023-11-11 23:43:34,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:43:34,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:34,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:34,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:34,890 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-11 23:43:34,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:34,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 64 states and 82 transitions. [2023-11-11 23:43:34,997 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2023-11-11 23:43:34,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-11 23:43:34,998 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:34,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:35,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:35,175 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-11 23:43:35,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:35,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 64 states and 81 transitions. [2023-11-11 23:43:35,359 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-11-11 23:43:35,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-11 23:43:35,361 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:35,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:35,505 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:43:35,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:35,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 68 states and 88 transitions. [2023-11-11 23:43:35,562 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-11 23:43:35,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-11-11 23:43:35,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:35,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:35,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:35,675 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:43:35,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:35,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 69 states and 89 transitions. [2023-11-11 23:43:35,705 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2023-11-11 23:43:35,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-11 23:43:35,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:35,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:35,896 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-11 23:43:35,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:35,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 76 transitions. [2023-11-11 23:43:35,971 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2023-11-11 23:43:35,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-11 23:43:35,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:35,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:36,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:36,162 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-11 23:43:36,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:36,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 75 transitions. [2023-11-11 23:43:36,358 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 75 transitions. [2023-11-11 23:43:36,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-11 23:43:36,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:36,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:36,647 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-11 23:43:36,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:36,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 60 states and 74 transitions. [2023-11-11 23:43:36,780 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 74 transitions. [2023-11-11 23:43:36,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-11 23:43:36,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:43:36,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:43:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:43:36,956 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-11 23:43:36,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:43:36,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 59 states and 73 transitions. [2023-11-11 23:43:36,977 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2023-11-11 23:43:36,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:43:36,978 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-11-11 23:43:36,987 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-11 23:43:37,121 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:43:37,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:43:37 ImpRootNode [2023-11-11 23:43:37,126 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:43:37,127 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:43:37,127 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:43:37,128 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:43:37,128 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:43:32" (3/4) ... [2023-11-11 23:43:37,130 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:43:37,134 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:43:37,134 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2023-11-11 23:43:37,134 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:43:37,135 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2023-11-11 23:43:37,143 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 56 nodes and edges [2023-11-11 23:43:37,144 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-11 23:43:37,145 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-11 23:43:37,146 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:43:37,259 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:43:37,259 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:43:37,260 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:43:37,260 INFO L158 Benchmark]: Toolchain (without parser) took 7622.40ms. Allocated memory was 117.4MB in the beginning and 209.7MB in the end (delta: 92.3MB). Free memory was 69.1MB in the beginning and 93.7MB in the end (delta: -24.7MB). Peak memory consumption was 70.5MB. Max. memory is 16.1GB. [2023-11-11 23:43:37,261 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 85.5MB in the beginning and 85.5MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:43:37,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1578.68ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 69.1MB in the beginning and 106.5MB in the end (delta: -37.4MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. [2023-11-11 23:43:37,262 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.34ms. Allocated memory is still 174.1MB. Free memory was 106.5MB in the beginning and 103.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:43:37,262 INFO L158 Benchmark]: Boogie Preprocessor took 58.20ms. Allocated memory is still 174.1MB. Free memory was 103.5MB in the beginning and 101.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:43:37,262 INFO L158 Benchmark]: RCFGBuilder took 1178.87ms. Allocated memory is still 174.1MB. Free memory was 101.3MB in the beginning and 84.3MB in the end (delta: 17.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-11 23:43:37,263 INFO L158 Benchmark]: CodeCheck took 4567.54ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 84.3MB in the beginning and 101.0MB in the end (delta: -16.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:43:37,263 INFO L158 Benchmark]: Witness Printer took 132.61ms. Allocated memory is still 209.7MB. Free memory was 101.0MB in the beginning and 93.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:43:37,265 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 5 procedures, 69 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1590 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 275 mSDsluCounter, 1077 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 128 mSDsCounter, 296 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 960 IncrementalHoareTripleChecker+Invalid, 1256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 296 mSolverCounterUnsat, 949 mSDtfsCounter, 960 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3275 GetRequests, 3229 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 474 NumberOfCodeBlocks, 474 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 462 ConstructedInterpolants, 0 QuantifiedInterpolants, 586 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 7 PerfectInterpolantSequences, 214/220 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: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1594]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1619]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: 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: 1654]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 85.5MB in the beginning and 85.5MB in the end (delta: 24.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1578.68ms. Allocated memory was 117.4MB in the beginning and 174.1MB in the end (delta: 56.6MB). Free memory was 69.1MB in the beginning and 106.5MB in the end (delta: -37.4MB). Peak memory consumption was 45.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.34ms. Allocated memory is still 174.1MB. Free memory was 106.5MB in the beginning and 103.5MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.20ms. Allocated memory is still 174.1MB. Free memory was 103.5MB in the beginning and 101.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1178.87ms. Allocated memory is still 174.1MB. Free memory was 101.3MB in the beginning and 84.3MB in the end (delta: 17.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 4567.54ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 84.3MB in the beginning and 101.0MB in the end (delta: -16.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 132.61ms. Allocated memory is still 209.7MB. Free memory was 101.0MB in the beginning and 93.7MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:43:37,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_51b0aa5a-aead-461e-af4b-08334160e624/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE