./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/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_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/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_c96c5915-40db-4261-bb0c-031ba1a88706/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 3135e8c6758499d8c104b4505b2fe7ef12fcc55aa500301327caff1a32dcb551 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:26:22,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:26:22,345 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:26:22,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:26:22,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:26:22,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:26:22,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:26:22,380 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:26:22,381 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:26:22,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:26:22,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:26:22,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:26:22,383 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:26:22,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:26:22,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:26:22,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:26:22,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:26:22,386 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:26:22,386 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:26:22,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:26:22,387 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:26:22,396 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:26:22,396 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:26:22,397 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:26:22,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:26:22,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:22,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:26:22,399 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:26:22,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:26:22,400 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:26:22,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:26:22,402 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:26:22,402 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_c96c5915-40db-4261-bb0c-031ba1a88706/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3135e8c6758499d8c104b4505b2fe7ef12fcc55aa500301327caff1a32dcb551 [2023-11-21 18:26:22,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:26:22,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:26:22,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:26:22,758 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:26:22,759 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:26:22,760 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_bad.i [2023-11-21 18:26:25,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:26:26,453 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:26:26,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_bad.i [2023-11-21 18:26:26,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/data/18d127098/8604cd2536194b5280d8b7581af9218e/FLAG4906ba49b [2023-11-21 18:26:26,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/data/18d127098/8604cd2536194b5280d8b7581af9218e [2023-11-21 18:26:26,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:26:26,520 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:26:26,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:26,522 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:26:26,527 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:26:26,529 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:26,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5069c6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:26, skipping insertion in model container [2023-11-21 18:26:26,532 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:26" (1/1) ... [2023-11-21 18:26:26,620 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:27,051 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:26:28,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:28,318 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:28,354 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:26:28,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:28,920 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:28,921 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:28,921 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:28,921 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:28,921 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:28,922 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:28,930 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:28,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:28 WrapperNode [2023-11-21 18:26:28,931 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:28,932 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:28,932 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:28,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:28,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:28" (1/1) ... [2023-11-21 18:26:28,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:28" (1/1) ... [2023-11-21 18:26:29,030 INFO L138 Inliner]: procedures = 940, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 55 [2023-11-21 18:26:29,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:29,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:29,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:29,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:29,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:28" (1/1) ... [2023-11-21 18:26:29,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:28" (1/1) ... [2023-11-21 18:26:29,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:28" (1/1) ... [2023-11-21 18:26:29,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:28" (1/1) ... [2023-11-21 18:26:29,054 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:28" (1/1) ... [2023-11-21 18:26:29,056 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:28" (1/1) ... [2023-11-21 18:26:29,058 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:28" (1/1) ... [2023-11-21 18:26:29,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:28" (1/1) ... [2023-11-21 18:26:29,063 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:29,064 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:29,064 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:29,064 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:29,065 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:28" (1/1) ... [2023-11-21 18:26:29,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:29,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:29,100 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:29,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:26:29,141 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:29,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:26:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:26:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:26:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:26:29,142 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:26:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:26:29,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:26:29,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:26:29,296 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:29,298 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:29,432 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:29,502 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:26:29,502 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:26:29,504 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:29 BoogieIcfgContainer [2023-11-21 18:26:29,504 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:26:29,505 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:26:29,505 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:26:29,528 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:26:29,528 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:29" (1/1) ... [2023-11-21 18:26:29,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:26:29,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:29,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:26:29,618 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:26:29,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:26:29,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:29,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:29,960 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 18:26:30,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:30,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-21 18:26:30,008 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-21 18:26:30,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:26:30,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:30,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-21 18:26:40,162 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 18:26:40,166 INFO L158 Benchmark]: Toolchain (without parser) took 13645.24ms. Allocated memory is still 178.3MB. Free memory was 141.4MB in the beginning and 137.8MB in the end (delta: 3.6MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2023-11-21 18:26:40,167 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 132.1MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:26:40,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2409.46ms. Allocated memory is still 178.3MB. Free memory was 141.4MB in the beginning and 105.9MB in the end (delta: 35.6MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:40,168 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.92ms. Allocated memory is still 178.3MB. Free memory was 105.9MB in the beginning and 101.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:26:40,169 INFO L158 Benchmark]: Boogie Preprocessor took 31.46ms. Allocated memory is still 178.3MB. Free memory was 101.7MB in the beginning and 100.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:26:40,169 INFO L158 Benchmark]: RCFGBuilder took 440.80ms. Allocated memory is still 178.3MB. Free memory was 100.6MB in the beginning and 84.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:26:40,170 INFO L158 Benchmark]: CodeCheck took 10659.27ms. Allocated memory is still 178.3MB. Free memory was 84.9MB in the beginning and 137.8MB in the end (delta: -52.9MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2023-11-21 18:26:40,174 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 0.35ms. Allocated memory is still 132.1MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2409.46ms. Allocated memory is still 178.3MB. Free memory was 141.4MB in the beginning and 105.9MB in the end (delta: 35.6MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.92ms. Allocated memory is still 178.3MB. Free memory was 105.9MB in the beginning and 101.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.46ms. Allocated memory is still 178.3MB. Free memory was 101.7MB in the beginning and 100.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.80ms. Allocated memory is still 178.3MB. Free memory was 100.6MB in the beginning and 84.9MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10659.27ms. Allocated memory is still 178.3MB. Free memory was 84.9MB in the beginning and 137.8MB in the end (delta: -52.9MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:26:40,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/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_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/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_c96c5915-40db-4261-bb0c-031ba1a88706/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 3135e8c6758499d8c104b4505b2fe7ef12fcc55aa500301327caff1a32dcb551 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:26:43,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:26:43,483 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:26:43,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:26:43,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:26:43,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:26:43,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:26:43,554 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:26:43,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:26:43,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:26:43,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:26:43,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:26:43,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:26:43,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:26:43,566 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:26:43,567 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:26:43,568 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:26:43,568 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:26:43,569 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:26:43,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:26:43,571 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:26:43,572 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:26:43,573 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:26:43,574 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:26:43,574 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:43,575 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:26:43,575 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:26:43,576 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:43,577 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:26:43,577 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:26:43,579 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:26:43,580 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:26:43,580 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:43,581 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:26:43,581 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:26:43,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:26:43,582 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_c96c5915-40db-4261-bb0c-031ba1a88706/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3135e8c6758499d8c104b4505b2fe7ef12fcc55aa500301327caff1a32dcb551 [2023-11-21 18:26:44,079 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:26:44,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:26:44,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:26:44,111 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:26:44,116 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:26:44,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_bad.i [2023-11-21 18:26:47,822 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:26:48,402 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:26:48,403 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_52_bad.i [2023-11-21 18:26:48,438 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/data/c55a42071/5aaff2532ecf441d80623f11ddeaa246/FLAGb80dcee86 [2023-11-21 18:26:48,458 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/data/c55a42071/5aaff2532ecf441d80623f11ddeaa246 [2023-11-21 18:26:48,461 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:26:48,464 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:26:48,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:48,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:26:48,472 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:26:48,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:48,475 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@293f552d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48, skipping insertion in model container [2023-11-21 18:26:48,475 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:48,593 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:49,233 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:26:50,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:50,754 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:50,777 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:26:50,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:51,327 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:51,328 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:51,328 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:51,328 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:51,328 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:51,329 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:51,337 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:51,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51 WrapperNode [2023-11-21 18:26:51,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:51,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:51,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:51,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:51,348 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,436 INFO L138 Inliner]: procedures = 945, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 54 [2023-11-21 18:26:51,436 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:51,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:51,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:51,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:51,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,466 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,503 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:51,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:51,509 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:51,509 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:51,510 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:51,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:51,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:51,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:26:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:51,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:51,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:26:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:26:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 18:26:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:26:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:26:51,621 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:26:51,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:26:51,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:26:51,825 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:51,828 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:53,285 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:53,357 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:26:53,357 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:26:53,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:53 BoogieIcfgContainer [2023-11-21 18:26:53,371 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:26:53,373 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:26:53,373 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:26:53,385 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:26:53,385 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:53" (1/1) ... [2023-11-21 18:26:53,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:26:53,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:53,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:26:53,467 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:26:53,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:26:53,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:53,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:26:53,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:26:53,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:26:53,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c96c5915-40db-4261-bb0c-031ba1a88706/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process