./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 527bcce2 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_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/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_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2 --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-527bcce [2023-11-21 18:37:03,254 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:37:03,370 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:37:03,380 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:37:03,381 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:37:03,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:37:03,418 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:37:03,419 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:37:03,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:37:03,425 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:37:03,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:37:03,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:37:03,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:37:03,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:37:03,429 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:37:03,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:37:03,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:37:03,431 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:37:03,431 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:37:03,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:37:03,432 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:37:03,433 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:37:03,434 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:37:03,434 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:37:03,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:37:03,435 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:03,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:37:03,436 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:37:03,437 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:37:03,437 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:37:03,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:37:03,439 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:37:03,439 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_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e2d67680ca581f4c6c2c49fb611d9e40bec8d60e2564d9e97d90270532cab81e [2023-11-21 18:37:03,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:37:03,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:37:03,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:37:03,806 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:37:03,807 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:37:03,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_good.i [2023-11-21 18:37:06,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:37:07,312 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:37:07,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_05_good.i [2023-11-21 18:37:07,367 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/data/bb1419c5a/098b4108866741aba545cbd1fdf2461b/FLAGb28d750ec [2023-11-21 18:37:07,385 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/data/bb1419c5a/098b4108866741aba545cbd1fdf2461b [2023-11-21 18:37:07,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:37:07,392 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:37:07,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:07,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:37:07,401 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:37:07,402 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:07" (1/1) ... [2023-11-21 18:37:07,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@475b55fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:07, skipping insertion in model container [2023-11-21 18:37:07,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:37:07" (1/1) ... [2023-11-21 18:37:07,489 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:37:07,882 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:37:08,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:08,565 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:37:08,605 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:37:08,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:37:08,844 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:08,844 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:08,844 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:08,845 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:08,845 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:37:08,853 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:37:08,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:08 WrapperNode [2023-11-21 18:37:08,854 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:37:08,855 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:08,855 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:37:08,855 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:37:08,861 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:08" (1/1) ... [2023-11-21 18:37:08,891 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:08" (1/1) ... [2023-11-21 18:37:08,927 INFO L138 Inliner]: procedures = 503, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 119 [2023-11-21 18:37:08,928 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:37:08,928 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:37:08,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:37:08,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:37:08,939 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:08" (1/1) ... [2023-11-21 18:37:08,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:08" (1/1) ... [2023-11-21 18:37:08,946 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:08" (1/1) ... [2023-11-21 18:37:08,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:08" (1/1) ... [2023-11-21 18:37:08,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:08" (1/1) ... [2023-11-21 18:37:08,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:08" (1/1) ... [2023-11-21 18:37:08,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:08" (1/1) ... [2023-11-21 18:37:08,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:08" (1/1) ... [2023-11-21 18:37:08,964 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:37:08,965 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:37:08,965 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:37:08,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:37:08,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:37:08" (1/1) ... [2023-11-21 18:37:08,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:37:08,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:37:09,003 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:37:09,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:37:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:37:09,108 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:37:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:37:09,109 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:37:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:37:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:37:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:37:09,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:37:09,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:37:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:37:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:37:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:37:09,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:37:09,314 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:37:09,317 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:37:09,563 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:37:09,672 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:37:09,673 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:37:09,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:09 BoogieIcfgContainer [2023-11-21 18:37:09,675 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:37:09,676 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:37:09,676 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:37:09,686 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:37:09,687 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:09" (1/1) ... [2023-11-21 18:37:09,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:37:09,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:09,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2023-11-21 18:37:09,751 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2023-11-21 18:37:09,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:37:09,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:09,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:10,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:10,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:10,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 48 states and 62 transitions. [2023-11-21 18:37:10,347 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 62 transitions. [2023-11-21 18:37:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:37:10,351 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:10,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:10,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:10,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:10,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 61 transitions. [2023-11-21 18:37:10,996 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2023-11-21 18:37:10,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:37:10,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:10,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:11,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:37:11,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:11,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 46 states and 58 transitions. [2023-11-21 18:37:11,317 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2023-11-21 18:37:11,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:37:11,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:11,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:11,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:11,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:37:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:11,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 57 transitions. [2023-11-21 18:37:11,565 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 57 transitions. [2023-11-21 18:37:11,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:37:11,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:11,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:11,950 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:37:12,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:12,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 56 transitions. [2023-11-21 18:37:12,335 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2023-11-21 18:37:12,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:37:12,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:12,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:12,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:37:12,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:12,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 46 states and 59 transitions. [2023-11-21 18:37:12,939 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2023-11-21 18:37:12,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:37:12,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:12,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:13,095 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:37:13,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:13,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 48 states and 63 transitions. [2023-11-21 18:37:13,216 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2023-11-21 18:37:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:37:13,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:13,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:13,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:13,411 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:37:13,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:13,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 51 states and 68 transitions. [2023-11-21 18:37:13,709 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2023-11-21 18:37:13,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:37:13,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:13,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:13,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:37:14,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:14,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 57 states and 79 transitions. [2023-11-21 18:37:14,488 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2023-11-21 18:37:14,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:37:14,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:14,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:14,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:14,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:37:15,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 60 states and 83 transitions. [2023-11-21 18:37:15,288 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 83 transitions. [2023-11-21 18:37:15,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:37:15,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:37:15,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:15,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 77 transitions. [2023-11-21 18:37:15,835 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2023-11-21 18:37:15,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:37:15,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:15,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:15,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:37:16,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:16,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 62 states and 81 transitions. [2023-11-21 18:37:16,351 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-11-21 18:37:16,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:37:16,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:16,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:16,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:16,404 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:37:16,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:16,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 60 states and 78 transitions. [2023-11-21 18:37:16,921 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2023-11-21 18:37:16,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:37:16,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:16,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:16,993 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:37:17,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:17,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 41 states and 49 transitions. [2023-11-21 18:37:17,476 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2023-11-21 18:37:17,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:37:17,477 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:17,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:17,752 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:37:18,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:18,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 40 states and 48 transitions. [2023-11-21 18:37:18,422 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-21 18:37:18,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:37:18,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:37:18,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:37:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:37:18,682 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:37:19,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:37:19,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 39 states and 47 transitions. [2023-11-21 18:37:19,155 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2023-11-21 18:37:19,155 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:37:19,156 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2023-11-21 18:37:19,168 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-21 18:37:19,458 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:37:19,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:37:19 ImpRootNode [2023-11-21 18:37:19,467 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:37:19,468 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:37:19,468 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:37:19,469 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:37:19,469 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:37:09" (3/4) ... [2023-11-21 18:37:19,471 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:37:19,474 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:37:19,474 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:37:19,480 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-21 18:37:19,480 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 18:37:19,481 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:37:19,481 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:37:19,612 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:37:19,613 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:37:19,613 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:37:19,614 INFO L158 Benchmark]: Toolchain (without parser) took 12222.59ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 95.0MB in the beginning and 146.3MB in the end (delta: -51.2MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-21 18:37:19,615 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 104.9MB. Free memory was 75.0MB in the beginning and 74.9MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:37:19,616 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1458.45ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 69.4MB in the end (delta: 25.7MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-21 18:37:19,616 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.34ms. Allocated memory is still 142.6MB. Free memory was 69.4MB in the beginning and 66.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:37:19,617 INFO L158 Benchmark]: Boogie Preprocessor took 36.01ms. Allocated memory is still 142.6MB. Free memory was 66.5MB in the beginning and 64.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:37:19,617 INFO L158 Benchmark]: RCFGBuilder took 709.71ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 100.8MB in the end (delta: -36.3MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2023-11-21 18:37:19,618 INFO L158 Benchmark]: CodeCheck took 9791.91ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 100.8MB in the beginning and 152.5MB in the end (delta: -51.7MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-11-21 18:37:19,618 INFO L158 Benchmark]: Witness Printer took 145.46ms. Allocated memory is still 207.6MB. Free memory was 152.5MB in the beginning and 146.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:37:19,621 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: 9.4s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1635 SdHoareTripleChecker+Valid, 4.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 514 mSDsluCounter, 1017 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 209 mSDsCounter, 616 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2511 IncrementalHoareTripleChecker+Invalid, 3127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 616 mSolverCounterUnsat, 808 mSDtfsCounter, 2511 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2884 GetRequests, 2740 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7088 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 316 NumberOfCodeBlocks, 316 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 300 ConstructedInterpolants, 0 QuantifiedInterpolants, 621 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 64/64 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 0.34ms. Allocated memory is still 104.9MB. Free memory was 75.0MB in the beginning and 74.9MB in the end (delta: 30.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1458.45ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 69.4MB in the end (delta: 25.7MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.34ms. Allocated memory is still 142.6MB. Free memory was 69.4MB in the beginning and 66.5MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.01ms. Allocated memory is still 142.6MB. Free memory was 66.5MB in the beginning and 64.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 709.71ms. Allocated memory is still 142.6MB. Free memory was 64.5MB in the beginning and 100.8MB in the end (delta: -36.3MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * CodeCheck took 9791.91ms. Allocated memory was 142.6MB in the beginning and 207.6MB in the end (delta: 65.0MB). Free memory was 100.8MB in the beginning and 152.5MB in the end (delta: -51.7MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * Witness Printer took 145.46ms. Allocated memory is still 207.6MB. Free memory was 152.5MB in the beginning and 146.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-21 18:37:19,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_814c48b6-7acb-4b9f-aa91-db36fecf1417/bin/ukojak-verify-i0I2FZA1j2/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