./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_21_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2 --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 94fbd449408532c191f876eb4a345a7b7a162c038d00caa414248a74ed9ff2c9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:35:01,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:35:01,974 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:35:01,980 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:35:01,981 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:35:02,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:35:02,027 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:35:02,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:35:02,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:35:02,029 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:35:02,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:35:02,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:35:02,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:35:02,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:35:02,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:35:02,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:35:02,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:35:02,034 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:35:02,034 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:35:02,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:35:02,035 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:35:02,036 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:35:02,037 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:35:02,038 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:35:02,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:35:02,039 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:02,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:35:02,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:35:02,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:35:02,041 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:35:02,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:35:02,042 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:35:02,043 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_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94fbd449408532c191f876eb4a345a7b7a162c038d00caa414248a74ed9ff2c9 [2023-11-21 18:35:02,369 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:35:02,400 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:35:02,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:35:02,406 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:35:02,407 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:35:02,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_21_bad.i [2023-11-21 18:35:05,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:35:05,889 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:35:05,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_21_bad.i [2023-11-21 18:35:05,936 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/data/df644bd02/fef73384613848eb9cafa8209bdc6caa/FLAGf3adffd07 [2023-11-21 18:35:05,958 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/data/df644bd02/fef73384613848eb9cafa8209bdc6caa [2023-11-21 18:35:05,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:35:05,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:35:05,977 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:05,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:35:05,983 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:35:05,986 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:05" (1/1) ... [2023-11-21 18:35:05,987 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff94aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:05, skipping insertion in model container [2023-11-21 18:35:05,988 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:05" (1/1) ... [2023-11-21 18:35:06,086 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:35:06,614 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:35:08,107 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:08,127 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:35:08,161 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:35:08,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:08,603 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:08,603 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:08,604 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:08,604 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:08,604 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:08,604 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:08,613 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:35:08,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:08 WrapperNode [2023-11-21 18:35:08,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:08,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:08,616 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:35:08,616 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:35:08,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:08" (1/1) ... [2023-11-21 18:35:08,667 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:08" (1/1) ... [2023-11-21 18:35:08,705 INFO L138 Inliner]: procedures = 939, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2023-11-21 18:35:08,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:08,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:35:08,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:35:08,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:35:08,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:08" (1/1) ... [2023-11-21 18:35:08,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:08" (1/1) ... [2023-11-21 18:35:08,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:08" (1/1) ... [2023-11-21 18:35:08,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:08" (1/1) ... [2023-11-21 18:35:08,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:08" (1/1) ... [2023-11-21 18:35:08,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:08" (1/1) ... [2023-11-21 18:35:08,736 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:08" (1/1) ... [2023-11-21 18:35:08,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:08" (1/1) ... [2023-11-21 18:35:08,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:35:08,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:35:08,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:35:08,744 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:35:08,745 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:08" (1/1) ... [2023-11-21 18:35:08,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:08,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:35:08,799 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:35:08,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:35:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:35:08,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:35:08,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:35:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:35:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:35:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:35:08,859 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:35:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:35:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:35:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:35:08,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:35:09,072 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:35:09,074 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:35:09,207 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:35:09,248 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:35:09,248 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:35:09,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:09 BoogieIcfgContainer [2023-11-21 18:35:09,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:35:09,251 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:35:09,251 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:35:09,263 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:35:09,263 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:09" (1/1) ... [2023-11-21 18:35:09,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:35:09,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:09,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-21 18:35:09,325 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-21 18:35:09,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:35:09,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:09,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:09,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:09,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:09,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-21 18:35:09,664 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-21 18:35:09,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:35:09,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:09,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-21 18:35:19,805 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:35:19,809 INFO L158 Benchmark]: Toolchain (without parser) took 13835.09ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 118.3MB in the beginning and 91.6MB in the end (delta: 26.7MB). Peak memory consumption was 59.2MB. Max. memory is 16.1GB. [2023-11-21 18:35:19,809 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:35:19,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2638.02ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 118.3MB in the beginning and 131.4MB in the end (delta: -13.2MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. [2023-11-21 18:35:19,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.32ms. Allocated memory is still 184.5MB. Free memory was 131.4MB in the beginning and 128.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:35:19,811 INFO L158 Benchmark]: Boogie Preprocessor took 36.04ms. Allocated memory is still 184.5MB. Free memory was 128.3MB in the beginning and 126.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:35:19,812 INFO L158 Benchmark]: RCFGBuilder took 507.22ms. Allocated memory is still 184.5MB. Free memory was 126.2MB in the beginning and 111.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:35:19,813 INFO L158 Benchmark]: CodeCheck took 10556.09ms. Allocated memory is still 184.5MB. Free memory was 110.5MB in the beginning and 91.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:35:19,817 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 123.7MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2638.02ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 118.3MB in the beginning and 131.4MB in the end (delta: -13.2MB). Peak memory consumption was 73.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.32ms. Allocated memory is still 184.5MB. Free memory was 131.4MB in the beginning and 128.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.04ms. Allocated memory is still 184.5MB. Free memory was 128.3MB in the beginning and 126.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.22ms. Allocated memory is still 184.5MB. Free memory was 126.2MB in the beginning and 111.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10556.09ms. Allocated memory is still 184.5MB. Free memory was 110.5MB in the beginning and 91.6MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:35:19,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/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_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_21_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2 --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 94fbd449408532c191f876eb4a345a7b7a162c038d00caa414248a74ed9ff2c9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:35:22,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:35:22,747 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:35:22,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:35:22,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:35:22,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:35:22,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:35:22,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:35:22,808 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:35:22,814 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:35:22,814 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:35:22,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:35:22,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:35:22,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:35:22,818 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:35:22,819 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:35:22,819 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:35:22,820 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:35:22,820 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:35:22,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:35:22,822 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:35:22,824 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:35:22,824 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:35:22,825 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:35:22,825 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:22,826 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:35:22,827 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:35:22,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:22,828 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:35:22,828 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:35:22,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:35:22,830 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:35:22,831 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:22,831 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:35:22,832 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:35:22,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:35:22,832 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_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94fbd449408532c191f876eb4a345a7b7a162c038d00caa414248a74ed9ff2c9 [2023-11-21 18:35:23,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:35:23,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:35:23,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:35:23,364 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:35:23,365 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:35:23,366 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_21_bad.i [2023-11-21 18:35:26,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:35:27,169 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:35:27,170 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_21_bad.i [2023-11-21 18:35:27,213 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/data/aa113bcba/a5fed31973af488b9eae8ce938424c53/FLAG5bfc6ecc7 [2023-11-21 18:35:27,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/data/aa113bcba/a5fed31973af488b9eae8ce938424c53 [2023-11-21 18:35:27,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:35:27,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:35:27,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:27,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:35:27,253 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:35:27,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:27" (1/1) ... [2023-11-21 18:35:27,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f84ab50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:27, skipping insertion in model container [2023-11-21 18:35:27,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:35:27" (1/1) ... [2023-11-21 18:35:27,388 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:35:28,030 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:35:29,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:29,424 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:35:29,446 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:35:29,595 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:35:29,835 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,835 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,836 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,836 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,836 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,836 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:35:29,844 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:35:29,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29 WrapperNode [2023-11-21 18:35:29,845 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:35:29,846 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:29,846 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:35:29,846 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:35:29,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,901 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,932 INFO L138 Inliner]: procedures = 944, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2023-11-21 18:35:29,933 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:35:29,934 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:35:29,934 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:35:29,934 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:35:29,944 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:35:29,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:35:29,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:35:29,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:35:29,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:35:29" (1/1) ... [2023-11-21 18:35:29,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:35:29,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:35:30,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:35:30,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:35:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:35:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:35:30,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:35:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:35:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:35:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 18:35:30,072 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:35:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:35:30,073 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:35:30,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:35:30,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:35:30,323 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:35:30,325 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:35:35,059 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:35:35,134 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:35:35,135 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:35:35,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:35 BoogieIcfgContainer [2023-11-21 18:35:35,137 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:35:35,138 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:35:35,138 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:35:35,153 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:35:35,154 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:35:35" (1/1) ... [2023-11-21 18:35:35,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:35:35,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:35,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-21 18:35:35,239 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-21 18:35:35,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:35:35,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:35,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:35:35,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:35:35,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:35:35,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b8d73d0-0999-4b30-8f98-0673aeaf5ebb/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process