./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9 --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 d90aac64e84b3e97a41af0c36507c80ff56f71ac1be74ad4fc339275f2a99024 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:29:58,769 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:29:58,830 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:29:58,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:29:58,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:29:58,855 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:29:58,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:29:58,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:29:58,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:29:58,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:29:58,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:29:58,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:29:58,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:29:58,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:29:58,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:29:58,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:29:58,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:29:58,861 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:29:58,862 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:29:58,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:29:58,863 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:29:58,864 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:29:58,864 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:29:58,865 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:29:58,865 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:29:58,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:29:58,866 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:29:58,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:29:58,867 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:29:58,867 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:29:58,868 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:29:58,868 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:29:58,868 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_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d90aac64e84b3e97a41af0c36507c80ff56f71ac1be74ad4fc339275f2a99024 [2023-12-02 23:29:59,063 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:29:59,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:29:59,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:29:59,088 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:29:59,088 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:29:59,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i [2023-12-02 23:30:01,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:30:02,215 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:30:02,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i [2023-12-02 23:30:02,240 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/data/2750f0e76/0218f7aa0c9f463e89bb2dfbdd584354/FLAGe9bb72cea [2023-12-02 23:30:02,477 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/data/2750f0e76/0218f7aa0c9f463e89bb2dfbdd584354 [2023-12-02 23:30:02,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:30:02,481 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:30:02,482 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:02,482 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:30:02,485 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:30:02,486 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:02" (1/1) ... [2023-12-02 23:30:02,487 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d5e64b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:02, skipping insertion in model container [2023-12-02 23:30:02,487 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:02" (1/1) ... [2023-12-02 23:30:02,545 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:30:03,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:03,335 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:30:03,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:03,548 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:03,548 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:03,549 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:03,549 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:03,549 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:03,556 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:30:03,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:03 WrapperNode [2023-12-02 23:30:03,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:03,558 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:03,558 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:30:03,558 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:30:03,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:03" (1/1) ... [2023-12-02 23:30:03,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:03" (1/1) ... [2023-12-02 23:30:03,617 INFO L138 Inliner]: procedures = 502, calls = 66, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 66 [2023-12-02 23:30:03,618 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:03,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:30:03,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:30:03,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:30:03,626 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:03" (1/1) ... [2023-12-02 23:30:03,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:03" (1/1) ... [2023-12-02 23:30:03,630 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:03" (1/1) ... [2023-12-02 23:30:03,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:03" (1/1) ... [2023-12-02 23:30:03,636 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:03" (1/1) ... [2023-12-02 23:30:03,637 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:03" (1/1) ... [2023-12-02 23:30:03,639 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:03" (1/1) ... [2023-12-02 23:30:03,640 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:03" (1/1) ... [2023-12-02 23:30:03,642 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:30:03,643 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:30:03,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:30:03,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:30:03,644 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:03" (1/1) ... [2023-12-02 23:30:03,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:30:03,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:30:03,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:30:03,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:30:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 23:30:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:30:03,698 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:30:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:30:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 23:30:03,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:30:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:30:03,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:30:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:30:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:30:03,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:30:03,849 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:30:03,851 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:30:03,960 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:30:03,997 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:30:03,997 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:30:03,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:03 BoogieIcfgContainer [2023-12-02 23:30:03,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:30:04,000 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:30:04,000 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:30:04,010 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:30:04,010 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:03" (1/1) ... [2023-12-02 23:30:04,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:30:04,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:04,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 23:30:04,075 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 23:30:04,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:30:04,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:04,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:30:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:30:04,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 23:30:04,466 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 23:30:04,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:30:04,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:04,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:30:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:04,495 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:30:04,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:04,585 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:30:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:04,619 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 23:30:04,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-02 23:30:04,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated [2023-12-02 23:30:04,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:30:04 ImpRootNode [2023-12-02 23:30:04,650 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:30:04,650 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:30:04,650 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:30:04,650 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:30:04,651 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:03" (3/4) ... [2023-12-02 23:30:04,653 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:30:04,654 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:30:04,655 INFO L158 Benchmark]: Toolchain (without parser) took 2173.76ms. Allocated memory is still 186.6MB. Free memory was 146.5MB in the beginning and 147.9MB in the end (delta: -1.5MB). Peak memory consumption was 922.0kB. Max. memory is 16.1GB. [2023-12-02 23:30:04,655 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:04,656 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1075.53ms. Allocated memory is still 186.6MB. Free memory was 146.5MB in the beginning and 133.5MB in the end (delta: 13.0MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. [2023-12-02 23:30:04,656 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.91ms. Allocated memory is still 186.6MB. Free memory was 133.5MB in the beginning and 130.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:30:04,657 INFO L158 Benchmark]: Boogie Preprocessor took 24.01ms. Allocated memory is still 186.6MB. Free memory was 130.6MB in the beginning and 129.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:30:04,657 INFO L158 Benchmark]: RCFGBuilder took 356.13ms. Allocated memory is still 186.6MB. Free memory was 129.3MB in the beginning and 113.8MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:30:04,658 INFO L158 Benchmark]: CodeCheck took 649.89ms. Allocated memory is still 186.6MB. Free memory was 113.8MB in the beginning and 147.9MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:04,658 INFO L158 Benchmark]: Witness Printer took 3.72ms. Allocated memory is still 186.6MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:04,661 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - UnprovableResult [Line: 1587]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569. Possible 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); [L1569] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={13:29}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_53_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_53b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_postinc_53c_badSink(data) [L1582] CALL CWE190_Integer_Overflow__int_fgets_postinc_53d_badSink(data) [L1587] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, 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 0.19ms. Allocated memory is still 109.1MB. Free memory is still 58.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1075.53ms. Allocated memory is still 186.6MB. Free memory was 146.5MB in the beginning and 133.5MB in the end (delta: 13.0MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.91ms. Allocated memory is still 186.6MB. Free memory was 133.5MB in the beginning and 130.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.01ms. Allocated memory is still 186.6MB. Free memory was 130.6MB in the beginning and 129.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.13ms. Allocated memory is still 186.6MB. Free memory was 129.3MB in the beginning and 113.8MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 649.89ms. Allocated memory is still 186.6MB. Free memory was 113.8MB in the beginning and 147.9MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.72ms. Allocated memory is still 186.6MB. Free memory is still 147.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet102 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post104 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:30:04,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9 --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 d90aac64e84b3e97a41af0c36507c80ff56f71ac1be74ad4fc339275f2a99024 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:30:06,594 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:30:06,660 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 23:30:06,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:30:06,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:30:06,690 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:30:06,691 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:30:06,691 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:30:06,692 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:30:06,692 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:30:06,693 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:30:06,693 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:30:06,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:30:06,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:30:06,694 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:30:06,695 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:30:06,695 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:30:06,696 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:30:06,696 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:30:06,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:30:06,697 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:30:06,698 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:30:06,698 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:30:06,699 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:30:06,699 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:06,700 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:30:06,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:30:06,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:30:06,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:30:06,701 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:30:06,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:30:06,702 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:30:06,702 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:06,703 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:30:06,703 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:30:06,703 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:30:06,704 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d90aac64e84b3e97a41af0c36507c80ff56f71ac1be74ad4fc339275f2a99024 [2023-12-02 23:30:06,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:30:07,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:30:07,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:30:07,019 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:30:07,020 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:30:07,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i [2023-12-02 23:30:09,769 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:30:10,058 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:30:10,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_53_bad.i [2023-12-02 23:30:10,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/data/781b6ae7c/7bed7e4af63c461ea83f67af546b5531/FLAG8b3d7d1c7 [2023-12-02 23:30:10,090 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/data/781b6ae7c/7bed7e4af63c461ea83f67af546b5531 [2023-12-02 23:30:10,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:30:10,093 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:30:10,094 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:10,094 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:30:10,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:30:10,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:10" (1/1) ... [2023-12-02 23:30:10,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2170e2ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:10, skipping insertion in model container [2023-12-02 23:30:10,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:30:10" (1/1) ... [2023-12-02 23:30:10,170 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:30:11,000 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:11,014 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:30:11,104 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:30:11,213 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:11,213 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:11,213 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:11,213 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:11,214 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:30:11,219 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:30:11,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:11 WrapperNode [2023-12-02 23:30:11,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:30:11,221 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:11,221 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:30:11,221 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:30:11,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:11" (1/1) ... [2023-12-02 23:30:11,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:11" (1/1) ... [2023-12-02 23:30:11,275 INFO L138 Inliner]: procedures = 507, calls = 66, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 65 [2023-12-02 23:30:11,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:30:11,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:30:11,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:30:11,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:30:11,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:11" (1/1) ... [2023-12-02 23:30:11,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:11" (1/1) ... [2023-12-02 23:30:11,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:11" (1/1) ... [2023-12-02 23:30:11,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:11" (1/1) ... [2023-12-02 23:30:11,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:11" (1/1) ... [2023-12-02 23:30:11,300 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:11" (1/1) ... [2023-12-02 23:30:11,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:11" (1/1) ... [2023-12-02 23:30:11,306 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:11" (1/1) ... [2023-12-02 23:30:11,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:30:11,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:30:11,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:30:11,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:30:11,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:30:11" (1/1) ... [2023-12-02 23:30:11,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:30:11,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:30:11,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:30:11,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:30:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 23:30:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:30:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:30:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:30:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:30:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:30:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:30:11,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:30:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:30:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:30:11,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 23:30:11,539 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:30:11,541 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:30:11,666 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:30:11,711 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:30:11,711 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:30:11,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:11 BoogieIcfgContainer [2023-12-02 23:30:11,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:30:11,714 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:30:11,714 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:30:11,721 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:30:11,721 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:11" (1/1) ... [2023-12-02 23:30:11,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:30:11,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:11,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 23:30:11,776 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 23:30:11,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:30:11,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:11,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:11,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:30:11,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:30:11,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:30:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:11,905 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:30:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:30:11,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:30:11,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:30:11,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:30:11,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:30:11,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:30:11,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-02 23:30:11,990 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-02 23:30:11,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:30:11,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:30:11,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:30:11,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:30:11,992 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:30:11,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:30:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:12,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:30:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:12,310 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:30:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:30:12,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:30:12,372 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-02 23:30:12,373 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 23:30:12,395 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-02 23:30:12,398 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated [2023-12-02 23:30:12,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:30:12 ImpRootNode [2023-12-02 23:30:12,402 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:30:12,403 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:30:12,403 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:30:12,403 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:30:12,403 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:30:11" (3/4) ... [2023-12-02 23:30:12,405 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:30:12,406 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:30:12,407 INFO L158 Benchmark]: Toolchain (without parser) took 2313.52ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 44.0MB in the beginning and 69.5MB in the end (delta: -25.5MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-12-02 23:30:12,407 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 75.5MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:12,408 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1126.17ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 43.8MB in the beginning and 55.5MB in the end (delta: -11.7MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2023-12-02 23:30:12,408 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.08ms. Allocated memory is still 109.1MB. Free memory was 55.0MB in the beginning and 51.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:30:12,409 INFO L158 Benchmark]: Boogie Preprocessor took 34.61ms. Allocated memory is still 109.1MB. Free memory was 51.8MB in the beginning and 49.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:30:12,410 INFO L158 Benchmark]: RCFGBuilder took 401.56ms. Allocated memory is still 109.1MB. Free memory was 49.7MB in the beginning and 64.2MB in the end (delta: -14.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2023-12-02 23:30:12,410 INFO L158 Benchmark]: CodeCheck took 688.26ms. Allocated memory is still 109.1MB. Free memory was 64.2MB in the beginning and 70.1MB in the end (delta: -5.9MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:30:12,411 INFO L158 Benchmark]: Witness Printer took 3.18ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 69.5MB in the end (delta: 662.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:30:12,414 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 70 ConjunctsInSsa, 1 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 - UnprovableResult [Line: 1587]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569. Possible 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); [L1569] 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={4:0}] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_postinc_53_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE190_Integer_Overflow__int_fgets_postinc_53b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_postinc_53c_badSink(data) [L1582] CALL CWE190_Integer_Overflow__int_fgets_postinc_53d_badSink(data) [L1587] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, 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 0.22ms. Allocated memory is still 75.5MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1126.17ms. Allocated memory was 75.5MB in the beginning and 109.1MB in the end (delta: 33.6MB). Free memory was 43.8MB in the beginning and 55.5MB in the end (delta: -11.7MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.08ms. Allocated memory is still 109.1MB. Free memory was 55.0MB in the beginning and 51.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.61ms. Allocated memory is still 109.1MB. Free memory was 51.8MB in the beginning and 49.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.56ms. Allocated memory is still 109.1MB. Free memory was 49.7MB in the beginning and 64.2MB in the end (delta: -14.5MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * CodeCheck took 688.26ms. Allocated memory is still 109.1MB. Free memory was 64.2MB in the beginning and 70.1MB in the end (delta: -5.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.18ms. Allocated memory is still 109.1MB. Free memory was 70.1MB in the beginning and 69.5MB in the end (delta: 662.8kB). 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: unknown boogie variable #t~nondet100 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:30:12,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb442a7e-c58f-4890-9cda-b568582f5201/bin/ukojak-verify-Qdu7aM0XO9/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: UNKNOWN: Overapproximated counterexample