./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL --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 77476f6c902517dd28f80b2f3415b5b9ae888980629881f2e16d01fadb2d24c8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:25:14,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:25:14,394 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:25:14,401 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:25:14,402 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:25:14,434 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:25:14,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:25:14,436 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:25:14,437 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:25:14,440 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:25:14,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:25:14,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:25:14,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:25:14,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:25:14,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:25:14,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:25:14,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:25:14,444 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:25:14,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:25:14,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:25:14,446 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:25:14,454 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:25:14,454 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:25:14,454 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:25:14,455 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:25:14,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:14,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:25:14,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:25:14,457 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:25:14,457 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:25:14,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:25:14,459 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:25:14,459 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_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77476f6c902517dd28f80b2f3415b5b9ae888980629881f2e16d01fadb2d24c8 [2023-11-19 03:25:14,713 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:25:14,744 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:25:14,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:25:14,749 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:25:14,750 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:25:14,751 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_good.i [2023-11-19 03:25:17,895 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:25:18,312 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:25:18,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_multiply_02_good.i [2023-11-19 03:25:18,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/data/318a91ad2/201e731f6da947a9b12785cd623687d3/FLAG89d7b1788 [2023-11-19 03:25:18,363 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/data/318a91ad2/201e731f6da947a9b12785cd623687d3 [2023-11-19 03:25:18,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:25:18,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:25:18,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:18,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:25:18,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:25:18,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:18" (1/1) ... [2023-11-19 03:25:18,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae389d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:18, skipping insertion in model container [2023-11-19 03:25:18,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:18" (1/1) ... [2023-11-19 03:25:18,474 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:25:18,862 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:25:19,423 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:19,434 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:25:19,456 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:25:19,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:19,688 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:19,688 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:19,688 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:19,689 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:19,689 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:25:19,697 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:25:19,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:19 WrapperNode [2023-11-19 03:25:19,697 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:19,698 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:19,698 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:25:19,699 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:25:19,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:19" (1/1) ... [2023-11-19 03:25:19,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:19" (1/1) ... [2023-11-19 03:25:19,761 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 84 [2023-11-19 03:25:19,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:19,762 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:25:19,762 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:25:19,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:25:19,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:19" (1/1) ... [2023-11-19 03:25:19,773 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:19" (1/1) ... [2023-11-19 03:25:19,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:19" (1/1) ... [2023-11-19 03:25:19,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:19" (1/1) ... [2023-11-19 03:25:19,783 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:19" (1/1) ... [2023-11-19 03:25:19,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:19" (1/1) ... [2023-11-19 03:25:19,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:19" (1/1) ... [2023-11-19 03:25:19,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:19" (1/1) ... [2023-11-19 03:25:19,793 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:25:19,794 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:25:19,794 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:25:19,794 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:25:19,795 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:19" (1/1) ... [2023-11-19 03:25:19,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:19,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:25:19,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:25:19,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:25:19,875 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:25:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:25:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:25:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:25:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:25:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:25:19,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:25:19,876 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:25:19,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:25:20,018 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:25:20,020 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:25:20,219 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:25:20,278 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:25:20,278 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 03:25:20,283 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:20 BoogieIcfgContainer [2023-11-19 03:25:20,283 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:25:20,284 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:25:20,285 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:25:20,296 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:25:20,296 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:20" (1/1) ... [2023-11-19 03:25:20,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:25:20,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:20,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 50 states and 65 transitions. [2023-11-19 03:25:20,367 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2023-11-19 03:25:20,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:25:20,372 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:20,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:20,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:25:20,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:20,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 43 states and 53 transitions. [2023-11-19 03:25:20,684 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 53 transitions. [2023-11-19 03:25:20,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:25:20,686 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:20,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:20,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:25:20,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:20,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 37 states and 44 transitions. [2023-11-19 03:25:20,847 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2023-11-19 03:25:20,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:25:20,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:20,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:20,981 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:21,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:21,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 35 states and 40 transitions. [2023-11-19 03:25:21,028 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2023-11-19 03:25:21,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:25:21,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:21,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:21,119 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:21,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:21,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 34 states and 38 transitions. [2023-11-19 03:25:21,212 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 38 transitions. [2023-11-19 03:25:21,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:25:21,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:21,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:21,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:21,284 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:21,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:21,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 33 states and 37 transitions. [2023-11-19 03:25:21,328 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2023-11-19 03:25:21,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:25:21,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:21,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:21,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:25:21,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:21,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 32 states and 35 transitions. [2023-11-19 03:25:21,478 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2023-11-19 03:25:21,478 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:25:21,479 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-19 03:25:21,488 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 03:25:21,530 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:25:21,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:25:21 ImpRootNode [2023-11-19 03:25:21,535 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:25:21,535 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:25:21,535 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:25:21,536 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:25:21,536 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:20" (3/4) ... [2023-11-19 03:25:21,538 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:25:21,542 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:25:21,542 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:25:21,547 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-19 03:25:21,548 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 03:25:21,548 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:25:21,549 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:25:21,650 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:25:21,651 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:25:21,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:25:21,652 INFO L158 Benchmark]: Toolchain (without parser) took 3280.48ms. Allocated memory is still 178.3MB. Free memory was 128.0MB in the beginning and 89.1MB in the end (delta: 38.9MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2023-11-19 03:25:21,652 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 130.0MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:21,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1323.86ms. Allocated memory is still 178.3MB. Free memory was 127.6MB in the beginning and 106.9MB in the end (delta: 20.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 03:25:21,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.42ms. Allocated memory is still 178.3MB. Free memory was 106.9MB in the beginning and 103.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:25:21,653 INFO L158 Benchmark]: Boogie Preprocessor took 30.79ms. Allocated memory is still 178.3MB. Free memory was 103.9MB in the beginning and 102.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:25:21,654 INFO L158 Benchmark]: RCFGBuilder took 489.72ms. Allocated memory is still 178.3MB. Free memory was 102.7MB in the beginning and 86.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:25:21,654 INFO L158 Benchmark]: CodeCheck took 1250.20ms. Allocated memory is still 178.3MB. Free memory was 85.0MB in the beginning and 95.3MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:21,654 INFO L158 Benchmark]: Witness Printer took 115.82ms. Allocated memory is still 178.3MB. Free memory was 94.2MB in the beginning and 89.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:25:21,656 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, 50 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 365 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 167 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 26 mSDsCounter, 63 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 236 IncrementalHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 63 mSolverCounterUnsat, 141 mSDtfsCounter, 236 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 872 GetRequests, 856 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 26/26 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 0.26ms. Allocated memory is still 130.0MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1323.86ms. Allocated memory is still 178.3MB. Free memory was 127.6MB in the beginning and 106.9MB in the end (delta: 20.6MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.42ms. Allocated memory is still 178.3MB. Free memory was 106.9MB in the beginning and 103.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.79ms. Allocated memory is still 178.3MB. Free memory was 103.9MB in the beginning and 102.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 489.72ms. Allocated memory is still 178.3MB. Free memory was 102.7MB in the beginning and 86.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1250.20ms. Allocated memory is still 178.3MB. Free memory was 85.0MB in the beginning and 95.3MB in the end (delta: -10.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 115.82ms. Allocated memory is still 178.3MB. Free memory was 94.2MB in the beginning and 89.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:25:21,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f520338a-163f-4b15-8bbc-d34bcb728abe/bin/ukojak-verify-G8NBE6pJGL/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