./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV --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 1137b369345db06c5eaf7c66bcea315dec7b86dcc0a4a1a86123e8dbab152506 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:02:27,132 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:02:27,257 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:02:27,262 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:02:27,263 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:02:27,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:02:27,309 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:02:27,309 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:02:27,310 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:02:27,311 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:02:27,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:02:27,312 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:02:27,315 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:02:27,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:02:27,323 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:02:27,323 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:02:27,325 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:02:27,326 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:02:27,326 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:02:27,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:02:27,327 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:02:27,328 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:02:27,328 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:02:27,329 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:02:27,329 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:27,330 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:02:27,330 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:02:27,331 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:02:27,331 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:02:27,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:02:27,333 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:02:27,333 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_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1137b369345db06c5eaf7c66bcea315dec7b86dcc0a4a1a86123e8dbab152506 [2023-11-12 00:02:27,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:02:27,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:02:27,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:02:27,678 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:02:27,678 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:02:27,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_good.i [2023-11-12 00:02:30,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:02:31,185 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:02:31,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_13_good.i [2023-11-12 00:02:31,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/data/b52080dda/b41b1544570f447aaa553e0d126d3481/FLAG02f5abae9 [2023-11-12 00:02:31,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/data/b52080dda/b41b1544570f447aaa553e0d126d3481 [2023-11-12 00:02:31,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:02:31,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:02:31,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:31,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:02:31,257 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:02:31,258 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:31" (1/1) ... [2023-11-12 00:02:31,259 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b9f5f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:31, skipping insertion in model container [2023-11-12 00:02:31,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:02:31" (1/1) ... [2023-11-12 00:02:31,356 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:02:31,944 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:02:32,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:32,585 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:02:32,603 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:02:32,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:02:32,828 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:32,830 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:32,830 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:32,831 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:32,831 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:32,831 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:02:32,839 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:02:32,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:32 WrapperNode [2023-11-12 00:02:32,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:02:32,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:32,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:02:32,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:02:32,850 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:32" (1/1) ... [2023-11-12 00:02:32,904 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:32" (1/1) ... [2023-11-12 00:02:32,954 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2023-11-12 00:02:32,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:02:32,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:02:32,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:02:32,956 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:02:32,965 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:32" (1/1) ... [2023-11-12 00:02:32,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:32" (1/1) ... [2023-11-12 00:02:32,984 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:32" (1/1) ... [2023-11-12 00:02:32,985 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:32" (1/1) ... [2023-11-12 00:02:32,999 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:32" (1/1) ... [2023-11-12 00:02:33,001 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:32" (1/1) ... [2023-11-12 00:02:33,006 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:32" (1/1) ... [2023-11-12 00:02:33,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:32" (1/1) ... [2023-11-12 00:02:33,019 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:02:33,020 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:02:33,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:02:33,021 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:02:33,022 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:02:32" (1/1) ... [2023-11-12 00:02:33,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:33,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:02:33,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:02:33,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:02:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-12 00:02:33,116 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-12 00:02:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-12 00:02:33,116 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:02:33,117 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:02:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:02:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:02:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:02:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:02:33,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:02:33,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:02:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:02:33,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:02:33,298 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:02:33,300 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:02:33,532 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:02:33,576 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:02:33,576 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 00:02:33,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:33 BoogieIcfgContainer [2023-11-12 00:02:33,579 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:02:33,580 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:02:33,580 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:02:33,590 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:02:33,590 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:33" (1/1) ... [2023-11-12 00:02:33,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:02:33,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2023-11-12 00:02:33,678 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-12 00:02:33,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:02:33,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:33,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:34,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:34,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:34,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 57 states and 76 transitions. [2023-11-12 00:02:34,095 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-12 00:02:34,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:02:34,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:34,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:34,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:34,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 56 states and 75 transitions. [2023-11-12 00:02:34,218 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2023-11-12 00:02:34,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:02:34,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:34,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:34,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:34,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:34,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 61 states and 82 transitions. [2023-11-12 00:02:34,407 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-12 00:02:34,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:02:34,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:34,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:34,535 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:02:34,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:34,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 55 states and 74 transitions. [2023-11-12 00:02:34,671 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-12 00:02:34,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:02:34,673 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:34,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:02:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:34,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 76 transitions. [2023-11-12 00:02:34,890 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-12 00:02:34,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:02:34,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:34,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:02:34,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:34,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 59 states and 79 transitions. [2023-11-12 00:02:34,991 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2023-11-12 00:02:34,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:02:34,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:34,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:35,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:35,049 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:02:35,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 56 states and 73 transitions. [2023-11-12 00:02:35,066 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2023-11-12 00:02:35,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:02:35,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:35,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:35,122 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:02:35,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:35,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 55 states and 72 transitions. [2023-11-12 00:02:35,155 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-11-12 00:02:35,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:02:35,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:35,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:35,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:02:35,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:35,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 60 states and 80 transitions. [2023-11-12 00:02:35,352 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-12 00:02:35,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:02:35,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:35,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:35,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:35,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:02:35,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:35,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 58 states and 76 transitions. [2023-11-12 00:02:35,517 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 76 transitions. [2023-11-12 00:02:35,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:02:35,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:35,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:02:35,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:35,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 60 states and 78 transitions. [2023-11-12 00:02:35,663 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 78 transitions. [2023-11-12 00:02:35,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-12 00:02:35,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:35,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:35,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:35,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:02:35,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:35,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 54 states and 70 transitions. [2023-11-12 00:02:35,876 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-12 00:02:35,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 00:02:35,877 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:35,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:35,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:35,920 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:02:35,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:35,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 52 states and 67 transitions. [2023-11-12 00:02:35,978 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-12 00:02:35,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 00:02:35,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:35,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:36,066 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:02:36,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 54 states and 71 transitions. [2023-11-12 00:02:36,124 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-12 00:02:36,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 00:02:36,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:36,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:36,200 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:02:36,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:36,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 57 states and 76 transitions. [2023-11-12 00:02:36,325 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-12 00:02:36,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-12 00:02:36,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:36,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:36,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-12 00:02:36,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:36,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 59 states and 78 transitions. [2023-11-12 00:02:36,404 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 78 transitions. [2023-11-12 00:02:36,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-12 00:02:36,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:36,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:36,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:02:36,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:36,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 60 states and 79 transitions. [2023-11-12 00:02:36,586 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2023-11-12 00:02:36,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 00:02:36,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:36,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:02:36,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:36,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 49 states and 61 transitions. [2023-11-12 00:02:36,789 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 61 transitions. [2023-11-12 00:02:36,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-12 00:02:36,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:36,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:36,942 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:02:37,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:37,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 48 states and 60 transitions. [2023-11-12 00:02:37,125 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-12 00:02:37,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-12 00:02:37,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:02:37,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:02:37,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:02:37,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-12 00:02:37,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:02:37,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 47 states and 59 transitions. [2023-11-12 00:02:37,393 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-12 00:02:37,393 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:02:37,393 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 21 iterations. [2023-11-12 00:02:37,402 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-12 00:02:37,596 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:02:37,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:02:37 ImpRootNode [2023-11-12 00:02:37,601 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:02:37,602 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:02:37,602 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:02:37,602 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:02:37,603 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:02:33" (3/4) ... [2023-11-12 00:02:37,605 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:02:37,609 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-12 00:02:37,609 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-12 00:02:37,615 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-12 00:02:37,616 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-12 00:02:37,617 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 00:02:37,617 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:02:37,618 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:02:37,724 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:02:37,725 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-12 00:02:37,725 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:02:37,726 INFO L158 Benchmark]: Toolchain (without parser) took 6478.90ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 121.9MB in the beginning and 89.6MB in the end (delta: 32.3MB). Peak memory consumption was 64.3MB. Max. memory is 16.1GB. [2023-11-12 00:02:37,726 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:37,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1591.67ms. Allocated memory is still 159.4MB. Free memory was 121.4MB in the beginning and 125.1MB in the end (delta: -3.7MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. [2023-11-12 00:02:37,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.44ms. Allocated memory is still 159.4MB. Free memory was 125.1MB in the beginning and 121.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:02:37,728 INFO L158 Benchmark]: Boogie Preprocessor took 64.53ms. Allocated memory is still 159.4MB. Free memory was 121.6MB in the beginning and 120.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:02:37,728 INFO L158 Benchmark]: RCFGBuilder took 558.93ms. Allocated memory is still 159.4MB. Free memory was 120.3MB in the beginning and 101.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:02:37,729 INFO L158 Benchmark]: CodeCheck took 4021.41ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 101.4MB in the beginning and 94.8MB in the end (delta: 6.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2023-11-12 00:02:37,729 INFO L158 Benchmark]: Witness Printer took 123.23ms. Allocated memory is still 192.9MB. Free memory was 94.8MB in the beginning and 89.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:02:37,731 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2516 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 842 mSDsluCounter, 2244 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 712 mSDsCounter, 518 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1887 IncrementalHoareTripleChecker+Invalid, 2405 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 518 mSolverCounterUnsat, 1532 mSDtfsCounter, 1887 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4077 GetRequests, 4001 SyntacticMatches, 10 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1732 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 447 NumberOfCodeBlocks, 447 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 427 ConstructedInterpolants, 0 QuantifiedInterpolants, 861 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 20 InterpolantComputations, 20 PerfectInterpolantSequences, 78/78 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: 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: 1662]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 121.6MB. Free memory is still 92.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1591.67ms. Allocated memory is still 159.4MB. Free memory was 121.4MB in the beginning and 125.1MB in the end (delta: -3.7MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.44ms. Allocated memory is still 159.4MB. Free memory was 125.1MB in the beginning and 121.6MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.53ms. Allocated memory is still 159.4MB. Free memory was 121.6MB in the beginning and 120.3MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 558.93ms. Allocated memory is still 159.4MB. Free memory was 120.3MB in the beginning and 101.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 4021.41ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 101.4MB in the beginning and 94.8MB in the end (delta: 6.6MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. * Witness Printer took 123.23ms. Allocated memory is still 192.9MB. Free memory was 94.8MB in the beginning and 89.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-12 00:02:37,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f18806a8-57d1-4bef-a937-65287dfe9049/bin/ukojak-verify-0OAaufAVZV/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