./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/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_b4f65b7b-831a-446b-b593-ff799ae1ca77/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/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_b4f65b7b-831a-446b-b593-ff799ae1ca77/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 e2d67680ca581f4c6c2c49fb611d9e40bec8d60e2564d9e97d90270532cab81e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:34,876 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:35,010 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:56:35,015 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:35,016 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:35,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:35,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:35,071 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:35,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:35,077 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:35,079 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:35,079 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:35,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:35,082 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:35,082 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:35,083 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:35,083 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:35,084 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:56:35,084 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:56:35,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:35,085 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:35,086 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:35,087 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:35,087 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:35,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:35,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:35,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:35,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:35,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:35,091 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:35,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:35,093 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:35,093 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_b4f65b7b-831a-446b-b593-ff799ae1ca77/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2d67680ca581f4c6c2c49fb611d9e40bec8d60e2564d9e97d90270532cab81e [2023-11-19 02:56:35,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:35,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:35,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:35,500 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:35,501 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:35,502 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_good.i [2023-11-19 02:56:38,748 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:39,194 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:39,195 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_good.i [2023-11-19 02:56:39,224 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/bin/ukojak-verify-G8NBE6pJGL/data/a6b12b23f/1f473630ed25472798a725c542ce5029/FLAG800d88dbc [2023-11-19 02:56:39,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/bin/ukojak-verify-G8NBE6pJGL/data/a6b12b23f/1f473630ed25472798a725c542ce5029 [2023-11-19 02:56:39,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:39,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:39,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:39,259 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:39,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:39,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:39" (1/1) ... [2023-11-19 02:56:39,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60343036 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:39, skipping insertion in model container [2023-11-19 02:56:39,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:39" (1/1) ... [2023-11-19 02:56:39,353 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:39,748 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:56:40,373 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:40,384 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:40,404 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:56:40,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:40,685 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:40,685 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:40,686 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:40,686 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:40,686 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:56:40,694 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:40,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:40 WrapperNode [2023-11-19 02:56:40,695 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:40,696 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:40,696 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:40,696 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:40,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:40" (1/1) ... [2023-11-19 02:56:40,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:40" (1/1) ... [2023-11-19 02:56:40,801 INFO L138 Inliner]: procedures = 503, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 120 [2023-11-19 02:56:40,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:40,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:40,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:40,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:40,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:40" (1/1) ... [2023-11-19 02:56:40,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:40" (1/1) ... [2023-11-19 02:56:40,833 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:40" (1/1) ... [2023-11-19 02:56:40,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:40" (1/1) ... [2023-11-19 02:56:40,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:40" (1/1) ... [2023-11-19 02:56:40,859 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:40" (1/1) ... [2023-11-19 02:56:40,861 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:40" (1/1) ... [2023-11-19 02:56:40,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:40" (1/1) ... [2023-11-19 02:56:40,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:40,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:40,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:40,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:40,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:40" (1/1) ... [2023-11-19 02:56:40,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:40,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:40,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:40,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 02:56:40,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 02:56:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:56:40,948 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:56:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:56:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 02:56:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:40,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:56:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:56:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 02:56:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:41,100 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:41,103 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:41,321 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:41,411 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:41,411 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:56:41,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:41 BoogieIcfgContainer [2023-11-19 02:56:41,420 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:41,421 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:41,422 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:41,433 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:41,434 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:41" (1/1) ... [2023-11-19 02:56:41,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:41,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:41,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2023-11-19 02:56:41,593 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2023-11-19 02:56:41,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:56:41,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:41,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:42,166 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 02:56:42,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:42,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 62 transitions. [2023-11-19 02:56:42,238 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2023-11-19 02:56:42,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:56:42,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:42,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:42,684 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 02:56:42,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:42,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 61 transitions. [2023-11-19 02:56:42,911 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-11-19 02:56:42,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 02:56:42,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:42,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:42,991 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 02:56:43,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:43,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 58 transitions. [2023-11-19 02:56:43,270 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2023-11-19 02:56:43,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 02:56:43,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:43,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:43,451 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 02:56:43,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:43,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 57 transitions. [2023-11-19 02:56:43,531 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2023-11-19 02:56:43,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 02:56:43,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:43,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:43,804 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 02:56:44,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:44,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 56 transitions. [2023-11-19 02:56:44,186 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2023-11-19 02:56:44,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 02:56:44,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:44,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:44,255 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 02:56:44,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:44,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 59 transitions. [2023-11-19 02:56:44,782 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-19 02:56:44,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 02:56:44,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:44,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:44,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:44,977 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 02:56:45,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:45,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 63 transitions. [2023-11-19 02:56:45,100 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2023-11-19 02:56:45,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 02:56:45,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:45,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:45,289 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 02:56:45,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:45,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 68 transitions. [2023-11-19 02:56:45,609 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2023-11-19 02:56:45,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 02:56:45,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:45,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:45,671 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:56:46,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:46,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 57 states and 79 transitions. [2023-11-19 02:56:46,398 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2023-11-19 02:56:46,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:56:46,400 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:46,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:46,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:46,515 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 02:56:47,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:47,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 83 transitions. [2023-11-19 02:56:47,261 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2023-11-19 02:56:47,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 02:56:47,262 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:47,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:47,338 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 02:56:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 77 transitions. [2023-11-19 02:56:47,802 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2023-11-19 02:56:47,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 02:56:47,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:47,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:47,854 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 02:56:48,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:48,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 62 states and 83 transitions. [2023-11-19 02:56:48,334 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 83 transitions. [2023-11-19 02:56:48,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:56:48,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:48,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:48,397 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 02:56:48,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:48,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 66 states and 87 transitions. [2023-11-19 02:56:48,982 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2023-11-19 02:56:48,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 02:56:48,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:48,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:49,031 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 02:56:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:49,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 41 states and 49 transitions. [2023-11-19 02:56:49,491 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2023-11-19 02:56:49,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 02:56:49,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:49,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:49,710 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 02:56:50,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:50,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 40 states and 48 transitions. [2023-11-19 02:56:50,367 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-19 02:56:50,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 02:56:50,367 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:50,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:50,607 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 02:56:51,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:51,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 39 states and 47 transitions. [2023-11-19 02:56:51,078 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-19 02:56:51,078 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:56:51,078 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2023-11-19 02:56:51,095 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 02:56:51,388 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:56:51,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:56:51 ImpRootNode [2023-11-19 02:56:51,395 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:56:51,396 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:56:51,396 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:56:51,397 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:56:51,398 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:41" (3/4) ... [2023-11-19 02:56:51,401 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:56:51,408 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 02:56:51,409 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 02:56:51,420 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-19 02:56:51,420 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 02:56:51,421 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 02:56:51,422 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:56:51,574 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:56:51,577 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:56:51,578 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:56:51,580 INFO L158 Benchmark]: Toolchain (without parser) took 12323.98ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 125.1MB in the beginning and 129.3MB in the end (delta: -4.3MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2023-11-19 02:56:51,581 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:56:51,582 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1436.64ms. Allocated memory is still 176.2MB. Free memory was 125.1MB in the beginning and 108.4MB in the end (delta: 16.6MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-11-19 02:56:51,583 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.11ms. Allocated memory is still 176.2MB. Free memory was 108.4MB in the beginning and 105.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:56:51,584 INFO L158 Benchmark]: Boogie Preprocessor took 67.21ms. Allocated memory is still 176.2MB. Free memory was 105.0MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:56:51,584 INFO L158 Benchmark]: RCFGBuilder took 549.96ms. Allocated memory is still 176.2MB. Free memory was 102.9MB in the beginning and 82.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 02:56:51,585 INFO L158 Benchmark]: CodeCheck took 9973.92ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 82.0MB in the beginning and 134.5MB in the end (delta: -52.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:56:51,585 INFO L158 Benchmark]: Witness Printer took 181.95ms. Allocated memory is still 211.8MB. Free memory was 134.5MB in the beginning and 129.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:56:51,589 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, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 9.6s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1630 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 509 mSDsluCounter, 1022 SdHoareTripleChecker+Invalid, 4.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 214 mSDsCounter, 611 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2516 IncrementalHoareTripleChecker+Invalid, 3127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 611 mSolverCounterUnsat, 808 mSDtfsCounter, 2516 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2887 GetRequests, 2741 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7347 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 317 NumberOfCodeBlocks, 317 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 301 ConstructedInterpolants, 0 QuantifiedInterpolants, 622 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 66/66 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: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: 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: 1648]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1436.64ms. Allocated memory is still 176.2MB. Free memory was 125.1MB in the beginning and 108.4MB in the end (delta: 16.6MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.11ms. Allocated memory is still 176.2MB. Free memory was 108.4MB in the beginning and 105.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.21ms. Allocated memory is still 176.2MB. Free memory was 105.0MB in the beginning and 102.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.96ms. Allocated memory is still 176.2MB. Free memory was 102.9MB in the beginning and 82.0MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 9973.92ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 82.0MB in the beginning and 134.5MB in the end (delta: -52.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 181.95ms. Allocated memory is still 211.8MB. Free memory was 134.5MB in the beginning and 129.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:56:51,622 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b4f65b7b-831a-446b-b593-ff799ae1ca77/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