./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_13_bad.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_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/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_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/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_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/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 832d136a9fb5e8c01e8625a6a8047c60f5fa7af9f7639cf24b3348d95675353c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:18:42,929 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:18:43,005 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:18:43,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:18:43,011 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:18:43,067 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:18:43,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:18:43,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:18:43,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:18:43,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:18:43,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:18:43,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:18:43,077 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:18:43,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:18:43,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:18:43,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:18:43,080 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:18:43,081 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:18:43,081 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:18:43,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:18:43,082 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:18:43,083 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:18:43,083 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:18:43,084 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:18:43,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:18:43,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:43,107 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:18:43,107 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:18:43,108 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:18:43,108 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:18:43,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:18:43,110 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:18:43,110 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_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 832d136a9fb5e8c01e8625a6a8047c60f5fa7af9f7639cf24b3348d95675353c [2023-11-23 20:18:43,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:18:43,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:18:43,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:18:43,375 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:18:43,376 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:18:43,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_13_bad.i [2023-11-23 20:18:46,522 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:18:46,980 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:18:46,982 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_13_bad.i [2023-11-23 20:18:47,023 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/bin/ukojak-verify-1t5iHCbJaC/data/a5bfe9899/80ae23c28c854eac9a053d716835b747/FLAGbeae2ee8b [2023-11-23 20:18:47,045 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/bin/ukojak-verify-1t5iHCbJaC/data/a5bfe9899/80ae23c28c854eac9a053d716835b747 [2023-11-23 20:18:47,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:18:47,055 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:18:47,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:47,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:18:47,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:18:47,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:47" (1/1) ... [2023-11-23 20:18:47,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1480f58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:47, skipping insertion in model container [2023-11-23 20:18:47,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:18:47" (1/1) ... [2023-11-23 20:18:47,181 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:18:47,760 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:18:49,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:49,296 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:18:49,332 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:18:49,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:18:49,960 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:49,961 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:49,961 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:49,961 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:49,961 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:18:49,971 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:18:49,972 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:49 WrapperNode [2023-11-23 20:18:49,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:18:49,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:49,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:18:49,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:18:49,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:49" (1/1) ... [2023-11-23 20:18:50,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:49" (1/1) ... [2023-11-23 20:18:50,086 INFO L138 Inliner]: procedures = 937, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2023-11-23 20:18:50,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:18:50,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:18:50,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:18:50,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:18:50,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:49" (1/1) ... [2023-11-23 20:18:50,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:49" (1/1) ... [2023-11-23 20:18:50,102 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:49" (1/1) ... [2023-11-23 20:18:50,102 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:49" (1/1) ... [2023-11-23 20:18:50,109 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:49" (1/1) ... [2023-11-23 20:18:50,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:49" (1/1) ... [2023-11-23 20:18:50,113 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:49" (1/1) ... [2023-11-23 20:18:50,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:49" (1/1) ... [2023-11-23 20:18:50,118 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:18:50,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:18:50,119 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:18:50,119 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:18:50,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:18:49" (1/1) ... [2023-11-23 20:18:50,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:18:50,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:18:50,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:18:50,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:18:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:18:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:18:50,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:18:50,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:18:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:18:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:18:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:18:50,215 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:18:50,216 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:18:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:18:50,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:18:50,379 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:18:50,381 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:18:50,525 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:18:50,578 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:18:50,579 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:18:50,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:50 BoogieIcfgContainer [2023-11-23 20:18:50,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:18:50,582 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:18:50,582 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:18:50,594 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:18:50,596 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:50" (1/1) ... [2023-11-23 20:18:50,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:18:50,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:50,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2023-11-23 20:18:50,663 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-23 20:18:50,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:18:50,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:50,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:18:50,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:18:50,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:18:50,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-23 20:18:51,014 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 20:18:51,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:18:51,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-23 20:18:51,073 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-23 20:18:51,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:18:51,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:18:51,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:18:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:52,082 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:18:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:18:52,142 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:18:52,168 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem184 could not be translated [2023-11-23 20:18:52,169 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem185 could not be translated [2023-11-23 20:18:52,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem184 could not be translated [2023-11-23 20:18:52,170 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem185 could not be translated [2023-11-23 20:18:52,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:18:52 ImpRootNode [2023-11-23 20:18:52,175 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:18:52,175 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:18:52,176 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:18:52,176 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:18:52,176 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:18:50" (3/4) ... [2023-11-23 20:18:52,177 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 20:18:52,183 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem185 could not be translated [2023-11-23 20:18:52,184 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem184 could not be translated [2023-11-23 20:18:52,184 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem185 could not be translated [2023-11-23 20:18:52,185 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem184 could not be translated [2023-11-23 20:18:52,223 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:18:52,223 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:18:52,224 INFO L158 Benchmark]: Toolchain (without parser) took 5169.37ms. Allocated memory was 115.3MB in the beginning and 222.3MB in the end (delta: 107.0MB). Free memory was 69.4MB in the beginning and 130.7MB in the end (delta: -61.3MB). Peak memory consumption was 48.3MB. Max. memory is 16.1GB. [2023-11-23 20:18:52,225 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:52,225 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2912.61ms. Allocated memory was 115.3MB in the beginning and 222.3MB in the end (delta: 107.0MB). Free memory was 69.1MB in the beginning and 184.2MB in the end (delta: -115.1MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. [2023-11-23 20:18:52,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.28ms. Allocated memory is still 222.3MB. Free memory was 184.2MB in the beginning and 180.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:18:52,226 INFO L158 Benchmark]: Boogie Preprocessor took 30.85ms. Allocated memory is still 222.3MB. Free memory was 180.0MB in the beginning and 179.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:52,227 INFO L158 Benchmark]: RCFGBuilder took 462.29ms. Allocated memory is still 222.3MB. Free memory was 179.0MB in the beginning and 163.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:18:52,227 INFO L158 Benchmark]: CodeCheck took 1592.90ms. Allocated memory is still 222.3MB. Free memory was 163.3MB in the beginning and 132.8MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-23 20:18:52,228 INFO L158 Benchmark]: Witness Printer took 47.86ms. Allocated memory is still 222.3MB. Free memory was 132.8MB in the beginning and 130.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:52,231 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 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 6 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 3 NumberOfNonLiveVariables, 99 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 1843]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1851] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={2:0}] [L1414] COND TRUE line != ((void *)0) [L1851] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=14, argc=14, argv={13:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1852] CALL CWE190_Integer_Overflow__int_fscanf_square_13_bad() [L1834] int data; [L1835] data = 0 [L1836] COND TRUE GLOBAL_CONST_FIVE==5 [L1840] COND TRUE GLOBAL_CONST_FIVE==5 [L1843] EXPR \read(data) [L1843] EXPR \read(data) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={17:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1843] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={17:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 115.3MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2912.61ms. Allocated memory was 115.3MB in the beginning and 222.3MB in the end (delta: 107.0MB). Free memory was 69.1MB in the beginning and 184.2MB in the end (delta: -115.1MB). Peak memory consumption was 71.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.28ms. Allocated memory is still 222.3MB. Free memory was 184.2MB in the beginning and 180.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.85ms. Allocated memory is still 222.3MB. Free memory was 180.0MB in the beginning and 179.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 462.29ms. Allocated memory is still 222.3MB. Free memory was 179.0MB in the beginning and 163.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1592.90ms. Allocated memory is still 222.3MB. Free memory was 163.3MB in the beginning and 132.8MB in the end (delta: 30.4MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 47.86ms. Allocated memory is still 222.3MB. Free memory was 132.8MB in the beginning and 130.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem184 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem185 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem184 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem185 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem185 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem184 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem185 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem184 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-23 20:18:52,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64776cfa-fb51-4ae8-893c-e6cbe5f5a5b8/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)