./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_03_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_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/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_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_03_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/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_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/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 bf1743f33d677307c7451c75fe48c272e0d52f0a5bc3d938930211202c9eab14 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:07:16,393 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:07:16,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:07:16,529 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:07:16,529 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:07:16,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:07:16,555 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:07:16,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:07:16,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:07:16,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:07:16,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:07:16,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:07:16,562 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:07:16,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:07:16,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:07:16,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:07:16,568 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:07:16,569 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:07:16,569 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:07:16,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:07:16,570 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:07:16,571 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:07:16,572 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:07:16,572 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:07:16,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:07:16,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:16,574 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:07:16,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:07:16,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:07:16,575 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:07:16,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:07:16,577 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:07:16,577 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_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf1743f33d677307c7451c75fe48c272e0d52f0a5bc3d938930211202c9eab14 [2023-11-23 20:07:16,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:07:16,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:07:16,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:07:16,937 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:07:16,938 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:07:16,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_03_good.i [2023-11-23 20:07:20,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:07:20,551 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:07:20,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_03_good.i [2023-11-23 20:07:20,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/bin/ukojak-verify-1t5iHCbJaC/data/8f04eacff/380d4ebfffcf4ddba361a71f03899d06/FLAG9a3daa1de [2023-11-23 20:07:20,598 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/bin/ukojak-verify-1t5iHCbJaC/data/8f04eacff/380d4ebfffcf4ddba361a71f03899d06 [2023-11-23 20:07:20,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:07:20,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:07:20,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:20,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:07:20,617 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:07:20,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:20" (1/1) ... [2023-11-23 20:07:20,621 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@214d3d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:20, skipping insertion in model container [2023-11-23 20:07:20,622 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:07:20" (1/1) ... [2023-11-23 20:07:20,725 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:07:21,134 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:07:21,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:21,819 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:07:21,854 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:07:21,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:07:22,111 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:22,111 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:22,112 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:22,112 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:22,112 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:22,112 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:07:22,120 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:07:22,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22 WrapperNode [2023-11-23 20:07:22,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:07:22,124 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:22,124 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:07:22,124 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:07:22,151 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,222 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,254 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 111 [2023-11-23 20:07:22,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:07:22,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:07:22,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:07:22,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:07:22,265 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,269 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,278 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:07:22,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:07:22,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:07:22,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:07:22,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:07:22,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:07:22,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:07:22,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:07:22,364 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:07:22,364 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:07:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:07:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:07:22,365 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:07:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:07:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:07:22,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:07:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:07:22,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:07:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:07:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:07:22,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:07:22,520 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:07:22,523 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:07:22,720 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:07:22,786 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:07:22,786 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-23 20:07:22,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:22 BoogieIcfgContainer [2023-11-23 20:07:22,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:07:22,789 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:07:22,789 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:07:22,801 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:07:22,801 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:22" (1/1) ... [2023-11-23 20:07:22,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:07:22,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 54 states and 74 transitions. [2023-11-23 20:07:22,877 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2023-11-23 20:07:22,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:07:22,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:22,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:23,093 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 20:07:23,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:23,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 53 states and 70 transitions. [2023-11-23 20:07:23,159 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2023-11-23 20:07:23,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:07:23,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:23,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:23,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:23,379 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 20:07:23,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:23,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 57 states and 75 transitions. [2023-11-23 20:07:23,416 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2023-11-23 20:07:23,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:07:23,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:23,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:23,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:23,535 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 20:07:23,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:23,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 56 states and 74 transitions. [2023-11-23 20:07:23,620 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2023-11-23 20:07:23,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:07:23,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:23,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:23,765 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 20:07:23,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:23,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 68 transitions. [2023-11-23 20:07:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2023-11-23 20:07:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:07:23,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:23,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:23,921 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 20:07:23,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:23,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 51 states and 66 transitions. [2023-11-23 20:07:23,931 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2023-11-23 20:07:23,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:07:23,932 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:23,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:24,019 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 20:07:24,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 54 states and 70 transitions. [2023-11-23 20:07:24,072 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-23 20:07:24,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:07:24,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:24,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:24,178 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 20:07:24,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:24,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 53 states and 69 transitions. [2023-11-23 20:07:24,267 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 69 transitions. [2023-11-23 20:07:24,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:07:24,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:24,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:24,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:24,385 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 20:07:24,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:24,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 49 states and 64 transitions. [2023-11-23 20:07:24,431 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 64 transitions. [2023-11-23 20:07:24,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:07:24,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:24,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:24,506 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 20:07:24,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:24,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 47 states and 59 transitions. [2023-11-23 20:07:24,540 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-23 20:07:24,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:07:24,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:24,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:24,616 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 20:07:24,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:24,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 46 states and 58 transitions. [2023-11-23 20:07:24,654 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2023-11-23 20:07:24,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:07:24,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:24,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:24,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:24,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:07:24,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:24,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 45 states and 56 transitions. [2023-11-23 20:07:24,769 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2023-11-23 20:07:24,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:07:24,770 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:07:24,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:07:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:07:24,833 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 20:07:24,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:07:24,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 55 transitions. [2023-11-23 20:07:24,852 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2023-11-23 20:07:24,853 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:07:24,854 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 13 iterations. [2023-11-23 20:07:24,865 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-23 20:07:24,934 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:07:24,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:07:24 ImpRootNode [2023-11-23 20:07:24,939 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:07:24,940 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:07:24,940 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:07:24,940 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:07:24,941 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:07:22" (3/4) ... [2023-11-23 20:07:24,944 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:07:24,947 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:07:24,948 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:07:24,957 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-23 20:07:24,958 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:07:24,958 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:07:24,959 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:07:24,959 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:07:25,099 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:07:25,101 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:07:25,101 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:07:25,101 INFO L158 Benchmark]: Toolchain (without parser) took 4495.85ms. Allocated memory is still 153.1MB. Free memory was 109.6MB in the beginning and 79.6MB in the end (delta: 30.0MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2023-11-23 20:07:25,102 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 107.0MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:07:25,102 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1511.74ms. Allocated memory is still 153.1MB. Free memory was 109.6MB in the beginning and 44.3MB in the end (delta: 65.3MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-23 20:07:25,103 INFO L158 Benchmark]: Boogie Procedure Inliner took 130.81ms. Allocated memory is still 153.1MB. Free memory was 44.3MB in the beginning and 119.6MB in the end (delta: -75.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 20:07:25,103 INFO L158 Benchmark]: Boogie Preprocessor took 36.86ms. Allocated memory is still 153.1MB. Free memory was 119.6MB in the beginning and 118.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:07:25,104 INFO L158 Benchmark]: RCFGBuilder took 495.61ms. Allocated memory is still 153.1MB. Free memory was 118.3MB in the beginning and 100.3MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:07:25,104 INFO L158 Benchmark]: CodeCheck took 2150.38ms. Allocated memory is still 153.1MB. Free memory was 100.3MB in the beginning and 84.8MB in the end (delta: 15.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-11-23 20:07:25,105 INFO L158 Benchmark]: Witness Printer took 161.00ms. Allocated memory is still 153.1MB. Free memory was 84.8MB in the beginning and 79.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:07:25,108 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, 54 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 945 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 206 mSDsluCounter, 718 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 158 mSDsCounter, 146 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 446 IncrementalHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 146 mSolverCounterUnsat, 560 mSDtfsCounter, 446 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1821 GetRequests, 1794 SyntacticMatches, 7 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 224 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 38/38 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 0.33ms. Allocated memory is still 107.0MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1511.74ms. Allocated memory is still 153.1MB. Free memory was 109.6MB in the beginning and 44.3MB in the end (delta: 65.3MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 130.81ms. Allocated memory is still 153.1MB. Free memory was 44.3MB in the beginning and 119.6MB in the end (delta: -75.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.86ms. Allocated memory is still 153.1MB. Free memory was 119.6MB in the beginning and 118.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 495.61ms. Allocated memory is still 153.1MB. Free memory was 118.3MB in the beginning and 100.3MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2150.38ms. Allocated memory is still 153.1MB. Free memory was 100.3MB in the beginning and 84.8MB in the end (delta: 15.4MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Witness Printer took 161.00ms. Allocated memory is still 153.1MB. Free memory was 84.8MB in the beginning and 79.6MB 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! [2023-11-23 20:07:25,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_19d08fa1-7d9c-4d47-bf43-0bc2165a3173/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE