./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_17_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/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_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/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_bce6845a-503e-41b8-8caa-cb5a471a5384/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 e9cde0d671c04babcc9bda0e4d83df5d9daf0bea27c87f9d3d73e9bedc0d8bba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:39:48,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:39:49,031 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:39:49,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:39:49,037 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:39:49,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:39:49,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:39:49,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:39:49,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:39:49,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:39:49,081 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:39:49,082 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:39:49,083 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:39:49,083 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:39:49,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:39:49,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:39:49,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:39:49,086 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:39:49,086 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:39:49,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:39:49,088 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:39:49,088 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:39:49,089 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:39:49,090 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:39:49,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:39:49,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:49,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:39:49,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:39:49,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:39:49,093 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:39:49,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:39:49,094 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:39:49,094 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_bce6845a-503e-41b8-8caa-cb5a471a5384/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9cde0d671c04babcc9bda0e4d83df5d9daf0bea27c87f9d3d73e9bedc0d8bba [2023-11-21 18:39:49,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:39:49,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:39:49,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:39:49,440 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:39:49,440 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:39:49,442 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_17_bad.i [2023-11-21 18:39:52,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:39:53,190 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:39:53,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_17_bad.i [2023-11-21 18:39:53,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/data/3113c007f/a1d0b1f12da6465e88368132353076c6/FLAGfff973f6c [2023-11-21 18:39:53,248 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/data/3113c007f/a1d0b1f12da6465e88368132353076c6 [2023-11-21 18:39:53,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:39:53,256 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:39:53,260 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:53,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:39:53,266 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:39:53,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:53" (1/1) ... [2023-11-21 18:39:53,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a7c8ac2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:53, skipping insertion in model container [2023-11-21 18:39:53,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:39:53" (1/1) ... [2023-11-21 18:39:53,378 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:39:53,873 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:39:55,285 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:55,297 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:39:55,318 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:39:55,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:39:55,918 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:55,918 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:55,918 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:55,918 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:55,919 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:39:55,927 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:39:55,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:55 WrapperNode [2023-11-21 18:39:55,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:39:55,931 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:55,931 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:39:55,931 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:39:55,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:55" (1/1) ... [2023-11-21 18:39:55,972 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:55" (1/1) ... [2023-11-21 18:39:56,006 INFO L138 Inliner]: procedures = 937, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2023-11-21 18:39:56,007 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:39:56,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:39:56,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:39:56,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:39:56,017 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:55" (1/1) ... [2023-11-21 18:39:56,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:55" (1/1) ... [2023-11-21 18:39:56,021 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:55" (1/1) ... [2023-11-21 18:39:56,021 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:55" (1/1) ... [2023-11-21 18:39:56,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:55" (1/1) ... [2023-11-21 18:39:56,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:55" (1/1) ... [2023-11-21 18:39:56,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:55" (1/1) ... [2023-11-21 18:39:56,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:55" (1/1) ... [2023-11-21 18:39:56,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:39:56,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:39:56,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:39:56,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:39:56,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:39:55" (1/1) ... [2023-11-21 18:39:56,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:39:56,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:39:56,077 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:39:56,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:39:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-21 18:39:56,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:39:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:39:56,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:39:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:39:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:39:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-21 18:39:56,130 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:39:56,131 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:39:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:39:56,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:39:56,291 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:39:56,293 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:39:56,438 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:39:56,490 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:39:56,490 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:39:56,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:56 BoogieIcfgContainer [2023-11-21 18:39:56,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:39:56,493 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:39:56,493 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:39:56,504 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:39:56,504 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:39:56" (1/1) ... [2023-11-21 18:39:56,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:39:56,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:56,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-11-21 18:39:56,570 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-21 18:39:56,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:39:56,574 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:56,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:57,047 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 18:39:57,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:57,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-11-21 18:39:57,132 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-21 18:39:57,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:39:57,133 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:57,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:57,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:57,336 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 18:39:57,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:57,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2023-11-21 18:39:57,378 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2023-11-21 18:39:57,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:39:57,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:57,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:57,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:39:57,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:57,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2023-11-21 18:39:57,602 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2023-11-21 18:39:57,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:39:57,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:57,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:39:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:39:57,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:39:57,671 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:39:57,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-21 18:39:57,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-21 18:39:57,778 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:39:57,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:39:57,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2023-11-21 18:39:57,816 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-21 18:39:57,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:39:57,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:39:57,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:40:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-21 18:40:07,904 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 18:40:07,908 INFO L158 Benchmark]: Toolchain (without parser) took 14651.34ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 124.8MB in the beginning and 119.1MB in the end (delta: 5.7MB). Peak memory consumption was 39.7MB. Max. memory is 16.1GB. [2023-11-21 18:40:07,908 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 121.6MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:40:07,909 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2669.95ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 124.8MB in the beginning and 134.0MB in the end (delta: -9.2MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2023-11-21 18:40:07,910 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.17ms. Allocated memory is still 195.0MB. Free memory was 134.0MB in the beginning and 129.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:40:07,911 INFO L158 Benchmark]: Boogie Preprocessor took 32.27ms. Allocated memory is still 195.0MB. Free memory was 129.8MB in the beginning and 128.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:40:07,911 INFO L158 Benchmark]: RCFGBuilder took 451.50ms. Allocated memory is still 195.0MB. Free memory was 127.7MB in the beginning and 111.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:40:07,912 INFO L158 Benchmark]: CodeCheck took 11413.74ms. Allocated memory is still 195.0MB. Free memory was 111.9MB in the beginning and 119.1MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:40:07,915 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 0.34ms. Allocated memory is still 121.6MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2669.95ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 124.8MB in the beginning and 134.0MB in the end (delta: -9.2MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.17ms. Allocated memory is still 195.0MB. Free memory was 134.0MB in the beginning and 129.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.27ms. Allocated memory is still 195.0MB. Free memory was 129.8MB in the beginning and 128.7MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 451.50ms. Allocated memory is still 195.0MB. Free memory was 127.7MB in the beginning and 111.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 11413.74ms. Allocated memory is still 195.0MB. Free memory was 111.9MB in the beginning and 119.1MB in the end (delta: -7.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:40:07,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/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_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/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_bce6845a-503e-41b8-8caa-cb5a471a5384/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 e9cde0d671c04babcc9bda0e4d83df5d9daf0bea27c87f9d3d73e9bedc0d8bba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:40:10,678 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:40:10,817 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:40:10,870 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:40:10,872 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:40:10,873 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:40:10,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:40:10,874 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:40:10,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:40:10,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:40:10,881 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:40:10,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:40:10,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:40:10,883 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:40:10,884 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:40:10,884 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:40:10,884 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:40:10,885 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:40:10,885 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:40:10,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:40:10,887 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:40:10,888 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:40:10,888 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:40:10,889 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:40:10,889 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:40:10,889 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:40:10,890 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:40:10,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:10,891 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:40:10,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:40:10,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:40:10,893 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:40:10,893 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:40:10,894 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:40:10,894 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:40:10,894 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:40:10,894 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_bce6845a-503e-41b8-8caa-cb5a471a5384/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9cde0d671c04babcc9bda0e4d83df5d9daf0bea27c87f9d3d73e9bedc0d8bba [2023-11-21 18:40:11,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:40:11,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:40:11,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:40:11,319 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:40:11,320 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:40:11,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_17_bad.i [2023-11-21 18:40:14,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:40:14,946 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:40:14,947 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_17_bad.i [2023-11-21 18:40:14,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/data/eb68a5674/bf4ff68d4f5f4fa29b06767d91b8ed4b/FLAG17f1d3d8d [2023-11-21 18:40:14,994 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/data/eb68a5674/bf4ff68d4f5f4fa29b06767d91b8ed4b [2023-11-21 18:40:14,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:40:14,998 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:40:15,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:15,000 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:40:15,005 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:40:15,006 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:14" (1/1) ... [2023-11-21 18:40:15,008 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4431e8f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:15, skipping insertion in model container [2023-11-21 18:40:15,008 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:40:14" (1/1) ... [2023-11-21 18:40:15,100 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:40:15,638 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:40:16,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:16,860 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:40:16,889 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:40:16,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:40:17,441 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:40:17,441 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:40:17,441 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:40:17,442 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:40:17,442 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:40:17,449 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:40:17,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:17 WrapperNode [2023-11-21 18:40:17,450 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:40:17,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:17,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:40:17,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:40:17,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:17" (1/1) ... [2023-11-21 18:40:17,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:17" (1/1) ... [2023-11-21 18:40:17,544 INFO L138 Inliner]: procedures = 942, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2023-11-21 18:40:17,545 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:40:17,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:40:17,546 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:40:17,546 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:40:17,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:17" (1/1) ... [2023-11-21 18:40:17,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:17" (1/1) ... [2023-11-21 18:40:17,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:17" (1/1) ... [2023-11-21 18:40:17,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:17" (1/1) ... [2023-11-21 18:40:17,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:17" (1/1) ... [2023-11-21 18:40:17,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:17" (1/1) ... [2023-11-21 18:40:17,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:17" (1/1) ... [2023-11-21 18:40:17,604 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:17" (1/1) ... [2023-11-21 18:40:17,609 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:40:17,615 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:40:17,615 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:40:17,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:40:17,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:40:17" (1/1) ... [2023-11-21 18:40:17,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:17,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:40:17,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:40:17,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:40:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:40:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:40:17,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:40:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:40:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:40:17,689 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:40:17,690 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:40:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:40:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:40:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-21 18:40:17,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-21 18:40:17,893 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:40:17,895 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:40:18,551 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:40:18,596 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:40:18,596 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:40:18,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:18 BoogieIcfgContainer [2023-11-21 18:40:18,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:40:18,599 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:40:18,599 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:40:18,609 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:40:18,609 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:40:18" (1/1) ... [2023-11-21 18:40:18,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:40:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:18,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-11-21 18:40:18,675 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-21 18:40:18,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:40:18,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:18,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:40:18,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:40:18,684 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:40:18,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:40:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:18,867 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:40:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:18,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:40:18,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:18,957 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 18:40:18,960 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:40:18,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:40:19,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:19,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2023-11-21 18:40:19,005 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-21 18:40:19,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:40:19,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:19,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:40:19,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:40:19,008 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:40:19,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:40:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:19,181 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:40:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:19,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:40:19,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:19,312 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 18:40:19,315 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:40:19,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:40:19,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:19,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-11-21 18:40:19,414 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-21 18:40:19,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:40:19,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:19,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:40:19,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:40:19,416 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:40:19,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:40:19,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:19,596 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:40:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:40:19,636 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:40:19,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:40:19,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:40:19,682 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:40:19,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-21 18:40:19,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:40:19,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2023-11-21 18:40:19,766 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2023-11-21 18:40:19,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:40:19,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:40:19,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:40:19,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:40:19,780 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:40:19,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bce6845a-503e-41b8-8caa-cb5a471a5384/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process