./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/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_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/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_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/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 e230dfc43213021ba61bb0ae256a1df57bbc79249f3dae7e2ae9284d3f55bd37 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:16:48,054 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:16:48,186 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:16:48,193 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:16:48,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:16:48,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:16:48,237 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:16:48,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:16:48,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:16:48,245 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:16:48,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:16:48,247 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:16:48,248 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:16:48,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:16:48,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:16:48,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:16:48,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:16:48,252 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:16:48,252 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:16:48,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:16:48,253 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:16:48,254 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:16:48,255 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:16:48,255 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:16:48,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:16:48,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:48,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:16:48,257 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:16:48,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:16:48,258 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:16:48,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:16:48,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:16:48,261 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_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e230dfc43213021ba61bb0ae256a1df57bbc79249f3dae7e2ae9284d3f55bd37 [2023-11-24 22:16:48,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:16:48,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:16:48,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:16:48,657 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:16:48,658 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:16:48,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_08_good.i [2023-11-24 22:16:51,784 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:16:52,247 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:16:52,247 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_08_good.i [2023-11-24 22:16:52,281 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/bin/ukojak-verify-afCqCEvfdi/data/f05382a5c/0b05b74743354d50bf59bfa33c2251c9/FLAG07dc95df5 [2023-11-24 22:16:52,299 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/bin/ukojak-verify-afCqCEvfdi/data/f05382a5c/0b05b74743354d50bf59bfa33c2251c9 [2023-11-24 22:16:52,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:16:52,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:16:52,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:52,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:16:52,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:16:52,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2422916e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:52, skipping insertion in model container [2023-11-24 22:16:52,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:16:52" (1/1) ... [2023-11-24 22:16:52,416 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:16:53,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:53,384 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:16:53,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:16:53,778 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:53,778 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:53,778 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:53,779 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:53,779 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:16:53,787 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:16:53,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:53 WrapperNode [2023-11-24 22:16:53,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:16:53,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:53,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:16:53,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:16:53,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:53" (1/1) ... [2023-11-24 22:16:53,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:53" (1/1) ... [2023-11-24 22:16:53,905 INFO L138 Inliner]: procedures = 505, calls = 94, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 171 [2023-11-24 22:16:53,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:16:53,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:16:53,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:16:53,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:16:53,924 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:53" (1/1) ... [2023-11-24 22:16:53,924 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:53" (1/1) ... [2023-11-24 22:16:53,944 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:53" (1/1) ... [2023-11-24 22:16:53,945 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:53" (1/1) ... [2023-11-24 22:16:53,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:53" (1/1) ... [2023-11-24 22:16:53,956 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:53" (1/1) ... [2023-11-24 22:16:53,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:53" (1/1) ... [2023-11-24 22:16:53,961 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:53" (1/1) ... [2023-11-24 22:16:53,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:16:53,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:16:53,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:16:53,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:16:53,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:16:53" (1/1) ... [2023-11-24 22:16:53,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:16:53,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:16:54,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:16:54,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:16:54,058 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 22:16:54,058 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 22:16:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:16:54,059 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:16:54,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:16:54,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:16:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:16:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:16:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:16:54,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:16:54,061 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-24 22:16:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-24 22:16:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:16:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2023-11-24 22:16:54,062 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2023-11-24 22:16:54,062 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:16:54,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:16:54,270 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:16:54,273 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:16:54,520 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:16:54,577 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:16:54,577 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:16:54,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:54 BoogieIcfgContainer [2023-11-24 22:16:54,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:16:54,579 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:16:54,579 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:16:54,589 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:16:54,589 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:54" (1/1) ... [2023-11-24 22:16:54,598 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:16:54,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:54,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 83 states and 109 transitions. [2023-11-24 22:16:54,663 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 109 transitions. [2023-11-24 22:16:54,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:16:54,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:54,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:55,047 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 22:16:55,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:55,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 83 states and 108 transitions. [2023-11-24 22:16:55,119 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 108 transitions. [2023-11-24 22:16:55,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:16:55,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:55,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:55,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:55,317 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 22:16:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:55,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 82 states and 107 transitions. [2023-11-24 22:16:55,379 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 107 transitions. [2023-11-24 22:16:55,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:16:55,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:55,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:55,519 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 22:16:55,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:55,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 89 states and 117 transitions. [2023-11-24 22:16:55,620 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 117 transitions. [2023-11-24 22:16:55,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:16:55,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:55,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:55,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:55,746 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 22:16:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:55,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 81 states and 106 transitions. [2023-11-24 22:16:55,899 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 106 transitions. [2023-11-24 22:16:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 22:16:55,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:55,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:55,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:56,018 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 22:16:56,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:56,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 79 states and 102 transitions. [2023-11-24 22:16:56,223 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 102 transitions. [2023-11-24 22:16:56,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-24 22:16:56,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:56,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:56,408 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 22:16:56,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:56,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 79 states and 101 transitions. [2023-11-24 22:16:56,476 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 101 transitions. [2023-11-24 22:16:56,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:16:56,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:56,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:56,670 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 22:16:56,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:56,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 78 states and 100 transitions. [2023-11-24 22:16:56,734 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2023-11-24 22:16:56,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 22:16:56,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:56,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:56,999 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 22:16:57,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:57,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 85 states and 110 transitions. [2023-11-24 22:16:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 110 transitions. [2023-11-24 22:16:57,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-24 22:16:57,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:57,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:57,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:57,428 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 22:16:57,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:57,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 77 states and 99 transitions. [2023-11-24 22:16:57,699 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2023-11-24 22:16:57,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-24 22:16:57,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:57,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:57,843 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 22:16:58,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:58,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 77 states and 98 transitions. [2023-11-24 22:16:58,054 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2023-11-24 22:16:58,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:16:58,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:58,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:58,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:58,246 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 22:16:58,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:58,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 81 states and 105 transitions. [2023-11-24 22:16:58,377 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 105 transitions. [2023-11-24 22:16:58,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-24 22:16:58,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:58,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:58,631 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 22:16:59,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:59,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 86 states and 113 transitions. [2023-11-24 22:16:59,060 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 113 transitions. [2023-11-24 22:16:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-24 22:16:59,062 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:59,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:59,190 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 22:16:59,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:59,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 73 states and 92 transitions. [2023-11-24 22:16:59,283 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2023-11-24 22:16:59,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-24 22:16:59,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:59,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:59,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:16:59,425 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 22:16:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:16:59,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 73 states and 91 transitions. [2023-11-24 22:16:59,805 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 91 transitions. [2023-11-24 22:16:59,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-24 22:16:59,806 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:16:59,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:16:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:00,157 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:17:00,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:00,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 72 states and 90 transitions. [2023-11-24 22:17:00,446 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 90 transitions. [2023-11-24 22:17:00,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-24 22:17:00,447 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:17:00,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:17:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:17:00,768 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-11-24 22:17:01,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:17:01,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 71 states and 89 transitions. [2023-11-24 22:17:01,259 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2023-11-24 22:17:01,259 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:17:01,261 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 17 iterations. [2023-11-24 22:17:01,275 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 22:17:01,493 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:17:01,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:17:01 ImpRootNode [2023-11-24 22:17:01,500 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:17:01,507 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:17:01,507 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:17:01,507 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:17:01,508 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:16:54" (3/4) ... [2023-11-24 22:17:01,510 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:17:01,515 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 22:17:01,516 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2023-11-24 22:17:01,516 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 22:17:01,517 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2023-11-24 22:17:01,533 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-11-24 22:17:01,534 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-24 22:17:01,535 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 22:17:01,535 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:17:01,536 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:17:01,712 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:17:01,713 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:17:01,713 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:17:01,714 INFO L158 Benchmark]: Toolchain (without parser) took 9407.27ms. Allocated memory was 130.0MB in the beginning and 211.8MB in the end (delta: 81.8MB). Free memory was 85.0MB in the beginning and 147.3MB in the end (delta: -62.2MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2023-11-24 22:17:01,714 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:17:01,714 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1479.33ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 85.0MB in the beginning and 111.9MB in the end (delta: -26.9MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2023-11-24 22:17:01,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 122.90ms. Allocated memory is still 172.0MB. Free memory was 111.9MB in the beginning and 108.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:17:01,715 INFO L158 Benchmark]: Boogie Preprocessor took 51.83ms. Allocated memory is still 172.0MB. Free memory was 108.7MB in the beginning and 106.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:17:01,716 INFO L158 Benchmark]: RCFGBuilder took 612.92ms. Allocated memory is still 172.0MB. Free memory was 106.6MB in the beginning and 84.7MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 22:17:01,716 INFO L158 Benchmark]: CodeCheck took 6926.65ms. Allocated memory was 172.0MB in the beginning and 211.8MB in the end (delta: 39.8MB). Free memory was 84.7MB in the beginning and 153.6MB in the end (delta: -68.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:17:01,716 INFO L158 Benchmark]: Witness Printer took 206.41ms. Allocated memory is still 211.8MB. Free memory was 153.6MB in the beginning and 147.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:17:01,719 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: 6.7s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2648 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 483 mSDsluCounter, 2097 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 351 mSDsCounter, 537 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1774 IncrementalHoareTripleChecker+Invalid, 2311 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 537 mSolverCounterUnsat, 1746 mSDtfsCounter, 1774 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5104 GetRequests, 5004 SyntacticMatches, 14 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1879 ImplicationChecksByTransitivity, 3.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 673 NumberOfCodeBlocks, 673 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 657 ConstructedInterpolants, 0 QuantifiedInterpolants, 869 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 238/242 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 0.34ms. Allocated memory is still 130.0MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1479.33ms. Allocated memory was 130.0MB in the beginning and 172.0MB in the end (delta: 41.9MB). Free memory was 85.0MB in the beginning and 111.9MB in the end (delta: -26.9MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 122.90ms. Allocated memory is still 172.0MB. Free memory was 111.9MB in the beginning and 108.7MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.83ms. Allocated memory is still 172.0MB. Free memory was 108.7MB in the beginning and 106.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 612.92ms. Allocated memory is still 172.0MB. Free memory was 106.6MB in the beginning and 84.7MB in the end (delta: 21.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 6926.65ms. Allocated memory was 172.0MB in the beginning and 211.8MB in the end (delta: 39.8MB). Free memory was 84.7MB in the beginning and 153.6MB in the end (delta: -68.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 206.41ms. Allocated memory is still 211.8MB. Free memory was 153.6MB in the beginning and 147.3MB 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 22:17:01,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98697514-6b9d-4e8c-9f5a-2cb0739e22b1/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