./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi --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 b618b80eb8625511085acc2013e7fb0e4260eb0ffa340df181bb34ff05740a29 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:06:45,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:06:45,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:06:45,885 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:06:45,886 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:06:45,914 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:06:45,915 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:06:45,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:06:45,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:06:45,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:06:45,918 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:06:45,919 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:06:45,919 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:06:45,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:06:45,921 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:06:45,921 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:06:45,922 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:06:45,922 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:06:45,923 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:06:45,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:06:45,924 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:06:45,925 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:06:45,926 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:06:45,926 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:06:45,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:06:45,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:45,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:06:45,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:06:45,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:06:45,930 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:06:45,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:06:45,931 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:06:45,931 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_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b618b80eb8625511085acc2013e7fb0e4260eb0ffa340df181bb34ff05740a29 [2023-11-24 23:06:46,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:06:46,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:06:46,224 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:06:46,226 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:06:46,227 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:06:46,228 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_08_good.i [2023-11-24 23:06:49,250 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:06:49,658 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:06:49,659 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_08_good.i [2023-11-24 23:06:49,697 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/data/58dea5b11/872f11c5671646ce988719603cf5c626/FLAG86186e70f [2023-11-24 23:06:49,718 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/data/58dea5b11/872f11c5671646ce988719603cf5c626 [2023-11-24 23:06:49,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:06:49,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:06:49,728 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:49,728 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:06:49,733 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:06:49,734 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:49" (1/1) ... [2023-11-24 23:06:49,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4053b512 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:49, skipping insertion in model container [2023-11-24 23:06:49,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:06:49" (1/1) ... [2023-11-24 23:06:49,827 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:06:51,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:51,209 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:06:51,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:06:51,475 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:51,476 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:51,476 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:51,476 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:51,476 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:06:51,484 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:06:51,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:51 WrapperNode [2023-11-24 23:06:51,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:06:51,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:51,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:06:51,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:06:51,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:51" (1/1) ... [2023-11-24 23:06:51,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:51" (1/1) ... [2023-11-24 23:06:51,607 INFO L138 Inliner]: procedures = 505, calls = 94, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 171 [2023-11-24 23:06:51,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:06:51,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:06:51,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:06:51,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:06:51,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:51" (1/1) ... [2023-11-24 23:06:51,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:51" (1/1) ... [2023-11-24 23:06:51,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:51" (1/1) ... [2023-11-24 23:06:51,637 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:51" (1/1) ... [2023-11-24 23:06:51,644 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:51" (1/1) ... [2023-11-24 23:06:51,659 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:51" (1/1) ... [2023-11-24 23:06:51,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:51" (1/1) ... [2023-11-24 23:06:51,663 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:51" (1/1) ... [2023-11-24 23:06:51,667 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:06:51,668 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:06:51,668 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:06:51,668 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:06:51,669 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:06:51" (1/1) ... [2023-11-24 23:06:51,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:06:51,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:06:51,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:06:51,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:06:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:06:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:06:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:06:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:06:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:06:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:06:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:06:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:06:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:06:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:06:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-24 23:06:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-24 23:06:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:06:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2023-11-24 23:06:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2023-11-24 23:06:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:06:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:06:51,947 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:06:51,951 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:06:52,240 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:06:52,333 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:06:52,333 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:06:52,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:52 BoogieIcfgContainer [2023-11-24 23:06:52,335 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:06:52,336 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:06:52,336 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:06:52,346 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:06:52,347 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:52" (1/1) ... [2023-11-24 23:06:52,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:06:52,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:52,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 83 states and 109 transitions. [2023-11-24 23:06:52,418 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 109 transitions. [2023-11-24 23:06:52,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:06:52,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:52,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:52,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:52,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:52,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 83 states and 108 transitions. [2023-11-24 23:06:52,856 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 108 transitions. [2023-11-24 23:06:52,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:06:52,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:52,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:52,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:53,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:53,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 82 states and 107 transitions. [2023-11-24 23:06:53,008 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 107 transitions. [2023-11-24 23:06:53,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:06:53,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:53,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:53,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:53,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:53,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 89 states and 117 transitions. [2023-11-24 23:06:53,317 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2023-11-24 23:06:53,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:06:53,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:53,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:53,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:53,484 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:06:53,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:53,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 81 states and 106 transitions. [2023-11-24 23:06:53,637 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 106 transitions. [2023-11-24 23:06:53,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:06:53,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:53,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:53,773 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:06:53,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:53,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 79 states and 102 transitions. [2023-11-24 23:06:53,928 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2023-11-24 23:06:53,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 23:06:53,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:53,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:54,091 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:06:54,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:54,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 79 states and 101 transitions. [2023-11-24 23:06:54,140 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2023-11-24 23:06:54,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:06:54,141 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:54,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:06:54,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:54,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 78 states and 100 transitions. [2023-11-24 23:06:54,258 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2023-11-24 23:06:54,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:06:54,259 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:54,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:54,379 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:06:54,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:54,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 85 states and 110 transitions. [2023-11-24 23:06:54,500 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2023-11-24 23:06:54,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 23:06:54,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:54,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:54,611 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:06:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:54,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 77 states and 99 transitions. [2023-11-24 23:06:54,802 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2023-11-24 23:06:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 23:06:54,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:54,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:54,929 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 23:06:55,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:55,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 77 states and 98 transitions. [2023-11-24 23:06:55,121 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2023-11-24 23:06:55,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 23:06:55,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:55,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:55,239 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:06:55,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:55,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 81 states and 105 transitions. [2023-11-24 23:06:55,299 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 105 transitions. [2023-11-24 23:06:55,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 23:06:55,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:55,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:55,403 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:06:55,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:55,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 86 states and 113 transitions. [2023-11-24 23:06:55,573 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 113 transitions. [2023-11-24 23:06:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 23:06:55,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:55,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:55,706 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-24 23:06:55,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:55,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 73 states and 92 transitions. [2023-11-24 23:06:55,774 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2023-11-24 23:06:55,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 23:06:55,775 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:55,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:55,905 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-24 23:06:56,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:56,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 73 states and 91 transitions. [2023-11-24 23:06:56,172 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2023-11-24 23:06:56,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 23:06:56,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:56,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:56,396 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-24 23:06:56,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:56,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 72 states and 90 transitions. [2023-11-24 23:06:56,535 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2023-11-24 23:06:56,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 23:06:56,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:56,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-11-24 23:06:56,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:56,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 71 states and 89 transitions. [2023-11-24 23:06:56,906 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2023-11-24 23:06:56,907 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:06:56,907 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2023-11-24 23:06:56,916 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 23:06:57,136 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:06:57,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:06:57 ImpRootNode [2023-11-24 23:06:57,141 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:06:57,142 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:06:57,142 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:06:57,142 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:06:57,142 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:06:52" (3/4) ... [2023-11-24 23:06:57,144 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:06:57,148 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:06:57,148 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2023-11-24 23:06:57,148 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:06:57,149 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2023-11-24 23:06:57,155 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-24 23:06:57,156 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-24 23:06:57,156 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:06:57,157 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:06:57,157 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:06:57,269 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:06:57,270 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:06:57,270 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:06:57,271 INFO L158 Benchmark]: Toolchain (without parser) took 7545.19ms. Allocated memory was 125.8MB in the beginning and 184.5MB in the end (delta: 58.7MB). Free memory was 76.3MB in the beginning and 134.6MB in the end (delta: -58.3MB). Peak memory consumption was 1.4MB. Max. memory is 16.1GB. [2023-11-24 23:06:57,271 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 125.8MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:06:57,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1758.69ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 76.3MB in the beginning and 77.9MB in the end (delta: -1.6MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:57,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.19ms. Allocated memory is still 153.1MB. Free memory was 77.9MB in the beginning and 74.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:06:57,272 INFO L158 Benchmark]: Boogie Preprocessor took 58.78ms. Allocated memory is still 153.1MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:06:57,272 INFO L158 Benchmark]: RCFGBuilder took 666.94ms. Allocated memory is still 153.1MB. Free memory was 72.6MB in the beginning and 116.0MB in the end (delta: -43.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-24 23:06:57,273 INFO L158 Benchmark]: CodeCheck took 4805.54ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 116.0MB in the beginning and 140.9MB in the end (delta: -24.9MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. [2023-11-24 23:06:57,273 INFO L158 Benchmark]: Witness Printer took 128.51ms. Allocated memory is still 184.5MB. Free memory was 140.9MB in the beginning and 134.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:06:57,275 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 5 procedures, 83 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.5s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2714 SdHoareTripleChecker+Valid, 3.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 557 mSDsluCounter, 2141 SdHoareTripleChecker+Invalid, 2.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 391 mSDsCounter, 466 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1711 IncrementalHoareTripleChecker+Invalid, 2177 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 466 mSolverCounterUnsat, 1750 mSDtfsCounter, 1711 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5088 GetRequests, 5008 SyntacticMatches, 14 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1096 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 673 NumberOfCodeBlocks, 673 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 657 ConstructedInterpolants, 0 QuantifiedInterpolants, 861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 236/242 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: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1614]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1614]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1639]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1639]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1656]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1656]: 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: 1674]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 125.8MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1758.69ms. Allocated memory was 125.8MB in the beginning and 153.1MB in the end (delta: 27.3MB). Free memory was 76.3MB in the beginning and 77.9MB in the end (delta: -1.6MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.19ms. Allocated memory is still 153.1MB. Free memory was 77.9MB in the beginning and 74.7MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.78ms. Allocated memory is still 153.1MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 666.94ms. Allocated memory is still 153.1MB. Free memory was 72.6MB in the beginning and 116.0MB in the end (delta: -43.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 4805.54ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 116.0MB in the beginning and 140.9MB in the end (delta: -24.9MB). Peak memory consumption was 108.9MB. Max. memory is 16.1GB. * Witness Printer took 128.51ms. Allocated memory is still 184.5MB. Free memory was 140.9MB in the beginning and 134.6MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:06:57,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_224b3010-0758-4e1d-8397-54b112f456d1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE