./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC --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 ae5ba7d6fd7114a96c87d24a6261751fd332b98d07d1a53815b0c414e7d334e3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:20:00,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:00,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:20:00,920 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:20:00,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:20:00,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:00,952 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:00,953 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:00,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:00,958 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:00,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:00,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:00,961 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:20:00,962 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:00,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:00,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:00,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:00,964 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:20:00,964 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:20:00,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:00,965 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:00,966 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:00,966 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:00,967 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:00,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:00,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:00,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:00,969 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:00,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:00,970 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:20:00,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:20:00,971 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:00,971 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_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae5ba7d6fd7114a96c87d24a6261751fd332b98d07d1a53815b0c414e7d334e3 [2023-11-23 20:20:01,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:01,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:01,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:01,268 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:01,269 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:01,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_good.i [2023-11-23 20:20:04,372 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:04,792 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:04,792 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_predec_15_good.i [2023-11-23 20:20:04,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/data/e9fc5bc23/b9c1ba8583824dc49e7203847c739581/FLAGa5238891c [2023-11-23 20:20:04,845 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/data/e9fc5bc23/b9c1ba8583824dc49e7203847c739581 [2023-11-23 20:20:04,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:04,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:04,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:04,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:04,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:04,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:04" (1/1) ... [2023-11-23 20:20:04,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ed7f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:04, skipping insertion in model container [2023-11-23 20:20:04,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:04" (1/1) ... [2023-11-23 20:20:04,933 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:05,353 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:20:05,968 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:05,983 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:06,008 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:20:06,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:06,353 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:06,353 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:06,353 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:06,354 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:06,354 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:06,354 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:06,363 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:06,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:06 WrapperNode [2023-11-23 20:20:06,364 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:06,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:06,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:06,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:06,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:06" (1/1) ... [2023-11-23 20:20:06,411 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:06" (1/1) ... [2023-11-23 20:20:06,447 INFO L138 Inliner]: procedures = 504, calls = 99, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 191 [2023-11-23 20:20:06,448 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:06,449 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:06,449 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:06,449 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:06,464 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:06" (1/1) ... [2023-11-23 20:20:06,464 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:06" (1/1) ... [2023-11-23 20:20:06,468 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:06" (1/1) ... [2023-11-23 20:20:06,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:06" (1/1) ... [2023-11-23 20:20:06,478 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:06" (1/1) ... [2023-11-23 20:20:06,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:06" (1/1) ... [2023-11-23 20:20:06,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:06" (1/1) ... [2023-11-23 20:20:06,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:06" (1/1) ... [2023-11-23 20:20:06,503 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:06,504 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:06,504 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:06,504 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:06,505 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:06" (1/1) ... [2023-11-23 20:20:06,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:06,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:06,544 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:06,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:20:06,588 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:20:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:20:06,588 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:20:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:20:06,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:20:06,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:20:06,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:06,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:06,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:06,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:20:06,590 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:20:06,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:20:06,760 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:06,763 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:07,066 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:07,154 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:07,156 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:20:07,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:07 BoogieIcfgContainer [2023-11-23 20:20:07,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:07,159 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:07,160 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:07,168 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:07,168 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:07" (1/1) ... [2023-11-23 20:20:07,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:20:07,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:07,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 75 states and 109 transitions. [2023-11-23 20:20:07,238 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 109 transitions. [2023-11-23 20:20:07,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:20:07,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:07,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:07,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:07,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:07,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 73 states and 104 transitions. [2023-11-23 20:20:07,598 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 104 transitions. [2023-11-23 20:20:07,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:20:07,600 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:07,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:07,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:07,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:07,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:07,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 72 states and 103 transitions. [2023-11-23 20:20:07,743 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 103 transitions. [2023-11-23 20:20:07,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:20:07,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:07,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:07,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:07,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:08,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 79 states and 113 transitions. [2023-11-23 20:20:08,075 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 113 transitions. [2023-11-23 20:20:08,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:20:08,078 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,207 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:08,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 71 states and 102 transitions. [2023-11-23 20:20:08,341 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 102 transitions. [2023-11-23 20:20:08,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:20:08,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:20:08,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 71 states and 101 transitions. [2023-11-23 20:20:08,542 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 101 transitions. [2023-11-23 20:20:08,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:20:08,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:08,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 70 states and 98 transitions. [2023-11-23 20:20:08,625 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2023-11-23 20:20:08,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:20:08,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:08,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 68 states and 93 transitions. [2023-11-23 20:20:08,718 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2023-11-23 20:20:08,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:20:08,719 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:08,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:08,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 92 transitions. [2023-11-23 20:20:08,825 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 92 transitions. [2023-11-23 20:20:08,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:20:08,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:08,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:08,935 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:09,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:09,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 73 states and 100 transitions. [2023-11-23 20:20:09,032 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 100 transitions. [2023-11-23 20:20:09,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:20:09,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:09,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:09,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:09,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:09,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 66 states and 91 transitions. [2023-11-23 20:20:09,301 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2023-11-23 20:20:09,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:20:09,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:09,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:09,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:20:09,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:09,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 64 states and 86 transitions. [2023-11-23 20:20:09,523 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2023-11-23 20:20:09,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:20:09,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:09,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:09,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:09,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:09,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:09,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 67 states and 91 transitions. [2023-11-23 20:20:09,694 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2023-11-23 20:20:09,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:20:09,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:09,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:09,822 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:09,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 71 states and 97 transitions. [2023-11-23 20:20:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 97 transitions. [2023-11-23 20:20:09,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-23 20:20:09,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:09,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:10,036 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:20:10,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:10,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 61 states and 81 transitions. [2023-11-23 20:20:10,086 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2023-11-23 20:20:10,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:20:10,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:10,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:10,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:10,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:10,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 59 states and 76 transitions. [2023-11-23 20:20:10,401 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-23 20:20:10,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:20:10,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:10,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:10,517 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:10,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 62 states and 82 transitions. [2023-11-23 20:20:10,582 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 82 transitions. [2023-11-23 20:20:10,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:20:10,583 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:10,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:10,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:10,693 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:10,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 66 states and 89 transitions. [2023-11-23 20:20:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2023-11-23 20:20:10,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-23 20:20:10,844 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:10,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:20:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:20:10,928 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:20:10,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:10,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 55 states and 69 transitions. [2023-11-23 20:20:10,992 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2023-11-23 20:20:10,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:20:10,993 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2023-11-23 20:20:11,002 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-23 20:20:11,139 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:20:11,143 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:20:11,144 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:20:11,144 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:20:11,144 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:20:11,144 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:20:11,145 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:20:11,145 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:20:11,145 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:20:11,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:20:11 ImpRootNode [2023-11-23 20:20:11,146 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:20:11,146 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:20:11,146 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:20:11,147 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:20:11,147 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:07" (3/4) ... [2023-11-23 20:20:11,149 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:20:11,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:20:11,152 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:20:11,159 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges [2023-11-23 20:20:11,160 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-23 20:20:11,160 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 20:20:11,161 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-23 20:20:11,162 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:20:11,281 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:20:11,282 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:20:11,282 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:20:11,283 INFO L158 Benchmark]: Toolchain (without parser) took 6434.05ms. Allocated memory was 190.8MB in the beginning and 249.6MB in the end (delta: 58.7MB). Free memory was 144.8MB in the beginning and 111.5MB in the end (delta: 33.3MB). Peak memory consumption was 93.6MB. Max. memory is 16.1GB. [2023-11-23 20:20:11,283 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:20:11,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1514.54ms. Allocated memory is still 190.8MB. Free memory was 144.2MB in the beginning and 127.5MB in the end (delta: 16.7MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:11,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.52ms. Allocated memory is still 190.8MB. Free memory was 127.5MB in the beginning and 124.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:20:11,284 INFO L158 Benchmark]: Boogie Preprocessor took 54.38ms. Allocated memory is still 190.8MB. Free memory was 124.4MB in the beginning and 122.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:11,285 INFO L158 Benchmark]: RCFGBuilder took 654.76ms. Allocated memory is still 190.8MB. Free memory was 122.3MB in the beginning and 100.3MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:20:11,285 INFO L158 Benchmark]: CodeCheck took 3986.41ms. Allocated memory was 190.8MB in the beginning and 249.6MB in the end (delta: 58.7MB). Free memory was 100.3MB in the beginning and 118.9MB in the end (delta: -18.6MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. [2023-11-23 20:20:11,285 INFO L158 Benchmark]: Witness Printer took 135.93ms. Allocated memory is still 249.6MB. Free memory was 118.9MB in the beginning and 111.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:20:11,287 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, 75 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2444 SdHoareTripleChecker+Valid, 2.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 484 mSDsluCounter, 2103 SdHoareTripleChecker+Invalid, 2.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 542 mSDsCounter, 471 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1072 IncrementalHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 471 mSolverCounterUnsat, 1561 mSDtfsCounter, 1072 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4211 GetRequests, 4136 SyntacticMatches, 13 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1086 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 468 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 450 ConstructedInterpolants, 0 QuantifiedInterpolants, 580 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 66/66 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1579]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1618]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1676]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1676]: 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: 1672]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1594]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1645]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1663]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1636]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1698]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1552]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory is still 59.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1514.54ms. Allocated memory is still 190.8MB. Free memory was 144.2MB in the beginning and 127.5MB in the end (delta: 16.7MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.52ms. Allocated memory is still 190.8MB. Free memory was 127.5MB in the beginning and 124.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.38ms. Allocated memory is still 190.8MB. Free memory was 124.4MB in the beginning and 122.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 654.76ms. Allocated memory is still 190.8MB. Free memory was 122.3MB in the beginning and 100.3MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 3986.41ms. Allocated memory was 190.8MB in the beginning and 249.6MB in the end (delta: 58.7MB). Free memory was 100.3MB in the beginning and 118.9MB in the end (delta: -18.6MB). Peak memory consumption was 40.1MB. Max. memory is 16.1GB. * Witness Printer took 135.93ms. Allocated memory is still 249.6MB. Free memory was 118.9MB in the beginning and 111.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:20:11,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84509552-eb14-44f9-ac1f-a08b652b7637/bin/ukojak-verify-1t5iHCbJaC/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