./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_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_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/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_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_02_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/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_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/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 3f19e81f9fa1c50c83328dcdc6953e01b4cb17e3bbedf0d0431c774aba6b571f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:01:41,539 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:01:41,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 04:01:41,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:01:41,654 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:01:41,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:01:41,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:01:41,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:01:41,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:01:41,690 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:01:41,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:01:41,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:01:41,693 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:01:41,694 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:01:41,695 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:01:41,695 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:01:41,695 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:01:41,696 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:01:41,696 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:01:41,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:01:41,697 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:01:41,698 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:01:41,698 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:01:41,698 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:01:41,699 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:01:41,700 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:41,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:01:41,700 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:01:41,701 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:01:41,701 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:01:41,702 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:01:41,703 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:01:41,703 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_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f19e81f9fa1c50c83328dcdc6953e01b4cb17e3bbedf0d0431c774aba6b571f [2023-11-19 04:01:42,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:01:42,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:01:42,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:01:42,050 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:01:42,051 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:01:42,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_02_good.i [2023-11-19 04:01:45,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:01:45,516 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:01:45,517 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_preinc_02_good.i [2023-11-19 04:01:45,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/bin/ukojak-verify-G8NBE6pJGL/data/91c91d7f1/04de5715e55944f3970b8bd1ff780d86/FLAG245830ba1 [2023-11-19 04:01:45,569 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/bin/ukojak-verify-G8NBE6pJGL/data/91c91d7f1/04de5715e55944f3970b8bd1ff780d86 [2023-11-19 04:01:45,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:01:45,578 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:01:45,583 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:45,583 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:01:45,588 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:01:45,588 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:45" (1/1) ... [2023-11-19 04:01:45,589 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@526cd3f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:45, skipping insertion in model container [2023-11-19 04:01:45,590 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:01:45" (1/1) ... [2023-11-19 04:01:45,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:01:46,029 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:01:46,562 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:46,573 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:01:46,596 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:01:46,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:01:46,955 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:46,955 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:46,955 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:46,955 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:46,956 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:01:46,964 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:01:46,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46 WrapperNode [2023-11-19 04:01:46,964 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:01:46,966 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:46,966 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:01:46,966 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:01:46,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:47,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:47,029 INFO L138 Inliner]: procedures = 503, calls = 71, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 92 [2023-11-19 04:01:47,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:01:47,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:01:47,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:01:47,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:01:47,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:47,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:47,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:47,044 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:47,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:47,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:47,055 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:47,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:47,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:01:47,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:01:47,061 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:01:47,061 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:01:47,062 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:01:46" (1/1) ... [2023-11-19 04:01:47,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:01:47,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:01:47,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:01:47,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:01:47,136 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 04:01:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 04:01:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:01:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:01:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:01:47,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:01:47,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:01:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:01:47,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:01:47,286 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:01:47,288 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:01:47,443 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:01:47,498 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:01:47,500 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 04:01:47,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:47 BoogieIcfgContainer [2023-11-19 04:01:47,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:01:47,506 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:01:47,506 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:01:47,518 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:01:47,518 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:47" (1/1) ... [2023-11-19 04:01:47,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:01:47,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:47,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 60 transitions. [2023-11-19 04:01:47,599 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 60 transitions. [2023-11-19 04:01:47,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:01:47,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:47,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:47,923 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 04:01:47,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:47,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 49 transitions. [2023-11-19 04:01:47,978 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 49 transitions. [2023-11-19 04:01:47,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:01:47,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:47,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:48,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:48,111 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 04:01:48,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:48,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 33 states and 40 transitions. [2023-11-19 04:01:48,137 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2023-11-19 04:01:48,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:01:48,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:48,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:48,302 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 04:01:48,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:48,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 35 transitions. [2023-11-19 04:01:48,328 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 35 transitions. [2023-11-19 04:01:48,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:01:48,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:48,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:48,395 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 04:01:48,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:48,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 34 transitions. [2023-11-19 04:01:48,414 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 34 transitions. [2023-11-19 04:01:48,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:01:48,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:48,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:48,503 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 04:01:48,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:48,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 32 transitions. [2023-11-19 04:01:48,532 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 32 transitions. [2023-11-19 04:01:48,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 04:01:48,534 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:01:48,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:01:48,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:01:48,584 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 04:01:48,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:01:48,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 31 transitions. [2023-11-19 04:01:48,597 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-19 04:01:48,598 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:01:48,598 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-11-19 04:01:48,607 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 04:01:48,636 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:01:48,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:01:48 ImpRootNode [2023-11-19 04:01:48,641 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:01:48,641 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:01:48,642 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:01:48,642 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:01:48,642 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:01:47" (3/4) ... [2023-11-19 04:01:48,644 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:01:48,648 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 04:01:48,648 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 04:01:48,654 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-19 04:01:48,654 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-19 04:01:48,655 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:01:48,655 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:01:48,779 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:01:48,779 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:01:48,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:01:48,780 INFO L158 Benchmark]: Toolchain (without parser) took 3202.25ms. Allocated memory was 159.4MB in the beginning and 234.9MB in the end (delta: 75.5MB). Free memory was 110.0MB in the beginning and 197.4MB in the end (delta: -87.5MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. [2023-11-19 04:01:48,780 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 159.4MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:01:48,781 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1382.31ms. Allocated memory was 159.4MB in the beginning and 234.9MB in the end (delta: 75.5MB). Free memory was 110.0MB in the beginning and 191.8MB in the end (delta: -81.9MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:48,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.48ms. Allocated memory is still 234.9MB. Free memory was 191.8MB in the beginning and 188.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:01:48,782 INFO L158 Benchmark]: Boogie Preprocessor took 29.63ms. Allocated memory is still 234.9MB. Free memory was 188.6MB in the beginning and 186.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:01:48,782 INFO L158 Benchmark]: RCFGBuilder took 443.85ms. Allocated memory is still 234.9MB. Free memory was 186.6MB in the beginning and 169.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:01:48,783 INFO L158 Benchmark]: CodeCheck took 1135.25ms. Allocated memory is still 234.9MB. Free memory was 169.8MB in the beginning and 110.0MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2023-11-19 04:01:48,783 INFO L158 Benchmark]: Witness Printer took 137.95ms. Allocated memory is still 234.9MB. Free memory was 110.0MB in the beginning and 197.4MB in the end (delta: -87.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:01:48,786 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, 46 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 317 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 161 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 49 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 104 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 49 mSolverCounterUnsat, 141 mSDtfsCounter, 104 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 715 GetRequests, 707 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 109 NumberOfCodeBlocks, 109 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 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: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1564]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1611]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1628]: 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: 1646]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 159.4MB. Free memory is still 129.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1382.31ms. Allocated memory was 159.4MB in the beginning and 234.9MB in the end (delta: 75.5MB). Free memory was 110.0MB in the beginning and 191.8MB in the end (delta: -81.9MB). Peak memory consumption was 72.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.48ms. Allocated memory is still 234.9MB. Free memory was 191.8MB in the beginning and 188.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.63ms. Allocated memory is still 234.9MB. Free memory was 188.6MB in the beginning and 186.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 443.85ms. Allocated memory is still 234.9MB. Free memory was 186.6MB in the beginning and 169.8MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1135.25ms. Allocated memory is still 234.9MB. Free memory was 169.8MB in the beginning and 110.0MB in the end (delta: 59.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Witness Printer took 137.95ms. Allocated memory is still 234.9MB. Free memory was 110.0MB in the beginning and 197.4MB in the end (delta: -87.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 04:01:48,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0831a7a-28ef-4edf-a88c-66177e8cfa6c/bin/ukojak-verify-G8NBE6pJGL/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