./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL --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 cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:57:59,871 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:57:59,956 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:57:59,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:57:59,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:57:59,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:57:59,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:57:59,995 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:57:59,996 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:57:59,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:57:59,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:57:59,999 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:00,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:58:00,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:00,001 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:00,002 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:00,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:00,004 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:58:00,004 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:58:00,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:00,006 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:00,007 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:00,008 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:00,009 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:00,010 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:00,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:00,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:00,012 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:00,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:00,013 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:58:00,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:58:00,015 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:00,015 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_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d [2023-11-19 02:58:00,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:00,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:00,493 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:00,495 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:00,496 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:00,497 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-11-19 02:58:04,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:04,702 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:04,704 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-11-19 02:58:04,748 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/data/7743006b3/f163c8ca0a3d47bfbed1fe9a81aa1edb/FLAGcf2570aa3 [2023-11-19 02:58:04,775 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/data/7743006b3/f163c8ca0a3d47bfbed1fe9a81aa1edb [2023-11-19 02:58:04,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:04,785 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:04,791 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:04,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:04,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:04,800 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:04" (1/1) ... [2023-11-19 02:58:04,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ac240d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:04, skipping insertion in model container [2023-11-19 02:58:04,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:04" (1/1) ... [2023-11-19 02:58:04,918 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:05,538 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:58:07,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:07,113 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:07,158 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:58:07,283 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:07,845 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:07,846 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:07,846 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:07,846 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:07,846 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:07,847 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:07,854 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:07,854 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:07 WrapperNode [2023-11-19 02:58:07,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:07,856 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:07,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:07,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:07,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:07" (1/1) ... [2023-11-19 02:58:07,934 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:07" (1/1) ... [2023-11-19 02:58:08,014 INFO L138 Inliner]: procedures = 938, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-11-19 02:58:08,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:08,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:08,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:08,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:08,031 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:07" (1/1) ... [2023-11-19 02:58:08,032 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:07" (1/1) ... [2023-11-19 02:58:08,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:07" (1/1) ... [2023-11-19 02:58:08,036 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:07" (1/1) ... [2023-11-19 02:58:08,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:07" (1/1) ... [2023-11-19 02:58:08,047 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:07" (1/1) ... [2023-11-19 02:58:08,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:07" (1/1) ... [2023-11-19 02:58:08,051 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:07" (1/1) ... [2023-11-19 02:58:08,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:08,057 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:08,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:08,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:08,058 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:07" (1/1) ... [2023-11-19 02:58:08,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:08,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:08,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:08,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:08,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:08,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:58:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:58:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 02:58:08,139 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:58:08,140 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:58:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:58:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 02:58:08,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:58:08,333 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:08,336 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:08,561 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:08,605 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:08,606 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:58:08,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:08 BoogieIcfgContainer [2023-11-19 02:58:08,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:08,613 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:08,613 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:08,626 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:08,626 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:08" (1/1) ... [2023-11-19 02:58:08,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:58:08,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:08,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 02:58:08,710 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 02:58:08,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:58:08,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:08,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:09,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:09,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:09,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 02:58:09,026 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 02:58:09,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:58:09,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:09,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:09,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:09,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 02:58:09,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:09,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:09,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:09,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 25 transitions. [2023-11-19 02:58:09,272 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-19 02:58:09,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 02:58:09,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:09,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 02:58:19,370 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) [2023-11-19 02:58:19,375 INFO L158 Benchmark]: Toolchain (without parser) took 14589.16ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 123.5MB in the beginning and 99.0MB in the end (delta: 24.6MB). Peak memory consumption was 60.2MB. Max. memory is 16.1GB. [2023-11-19 02:58:19,376 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 107.0MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:19,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3064.49ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 123.5MB in the beginning and 146.2MB in the end (delta: -22.6MB). Peak memory consumption was 104.2MB. Max. memory is 16.1GB. [2023-11-19 02:58:19,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 158.67ms. Allocated memory is still 188.7MB. Free memory was 146.2MB in the beginning and 142.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:58:19,378 INFO L158 Benchmark]: Boogie Preprocessor took 40.65ms. Allocated memory is still 188.7MB. Free memory was 142.0MB in the beginning and 140.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:19,379 INFO L158 Benchmark]: RCFGBuilder took 555.35ms. Allocated memory is still 188.7MB. Free memory was 140.9MB in the beginning and 125.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:58:19,380 INFO L158 Benchmark]: CodeCheck took 10760.23ms. Allocated memory is still 188.7MB. Free memory was 125.2MB in the beginning and 99.0MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 02:58:19,383 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 0.41ms. Allocated memory is still 107.0MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3064.49ms. Allocated memory was 155.2MB in the beginning and 188.7MB in the end (delta: 33.6MB). Free memory was 123.5MB in the beginning and 146.2MB in the end (delta: -22.6MB). Peak memory consumption was 104.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 158.67ms. Allocated memory is still 188.7MB. Free memory was 146.2MB in the beginning and 142.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.65ms. Allocated memory is still 188.7MB. Free memory was 142.0MB in the beginning and 140.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.35ms. Allocated memory is still 188.7MB. Free memory was 140.9MB in the beginning and 125.2MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10760.23ms. Allocated memory is still 188.7MB. Free memory was 125.2MB in the beginning and 99.0MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 02:58:19,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL --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 cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:58:22,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:58:22,331 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 02:58:22,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:58:22,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:58:22,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:58:22,395 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:58:22,396 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:58:22,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:58:22,402 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:22,402 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:22,403 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:22,403 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:22,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:22,406 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:58:22,406 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:58:22,407 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:58:22,407 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:58:22,407 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:58:22,408 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:22,408 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:22,409 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:22,410 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:22,410 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:22,411 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:22,411 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:58:22,412 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:22,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:22,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:22,414 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:22,415 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:22,415 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:58:22,416 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:22,416 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:22,417 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:58:22,417 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:58:22,417 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_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d [2023-11-19 02:58:22,846 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:22,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:22,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:22,880 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:22,881 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:22,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-11-19 02:58:26,293 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:26,823 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:26,824 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-11-19 02:58:26,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/data/c92714eb6/c2e26416a7b446be91cdfdfda138461e/FLAG4f922efce [2023-11-19 02:58:26,888 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/data/c92714eb6/c2e26416a7b446be91cdfdfda138461e [2023-11-19 02:58:26,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:26,897 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:26,900 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:26,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:26,907 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:26,908 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:26" (1/1) ... [2023-11-19 02:58:26,912 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da652f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:26, skipping insertion in model container [2023-11-19 02:58:26,912 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:26" (1/1) ... [2023-11-19 02:58:27,020 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:27,506 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:58:28,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:29,002 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:29,025 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:58:29,109 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:29,427 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:29,427 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:29,427 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:29,428 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:29,428 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:29,428 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:58:29,436 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:29,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29 WrapperNode [2023-11-19 02:58:29,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:29,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:29,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:29,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:29,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2023-11-19 02:58:29,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2023-11-19 02:58:29,525 INFO L138 Inliner]: procedures = 943, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-11-19 02:58:29,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:29,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:29,527 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:29,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:29,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2023-11-19 02:58:29,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2023-11-19 02:58:29,545 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2023-11-19 02:58:29,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2023-11-19 02:58:29,555 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2023-11-19 02:58:29,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2023-11-19 02:58:29,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2023-11-19 02:58:29,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2023-11-19 02:58:29,568 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:29,569 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:29,569 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:29,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:29,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:29" (1/1) ... [2023-11-19 02:58:29,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:29,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:29,639 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:29,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:29,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:29,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:58:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:58:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 02:58:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 02:58:29,712 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:58:29,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:58:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:58:29,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:58:29,890 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:29,893 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:32,855 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:32,896 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:32,896 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:58:32,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:32 BoogieIcfgContainer [2023-11-19 02:58:32,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:32,903 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:32,903 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:32,914 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:32,914 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:32" (1/1) ... [2023-11-19 02:58:32,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:58:32,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:32,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 02:58:32,986 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 02:58:32,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:58:32,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:32,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:32,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:58:33,025 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:58:33,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:58:33,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:33,197 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:58:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:58:33,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 02:58:33,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:58:33,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:58:33,347 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:58:33,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:58:33,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:33,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 26 transitions. [2023-11-19 02:58:33,486 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-19 02:58:33,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 02:58:33,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:33,488 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:33,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:58:33,489 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:58:33,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4ad9a691-b7d3-400d-b4ad-2d2250a2e41b/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process