./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 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_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/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_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/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_58fcd692-8588-42ff-8f98-01b4301a74c5/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_58fcd692-8588-42ff-8f98-01b4301a74c5/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 cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:40:58,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:40:58,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:40:58,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:40:58,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:40:58,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:40:58,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:40:58,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:40:58,771 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:40:58,772 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:40:58,773 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:40:58,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:40:58,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:40:58,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:40:58,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:40:58,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:40:58,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:40:58,777 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:40:58,777 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:40:58,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:40:58,778 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:40:58,779 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:40:58,780 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:40:58,781 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:40:58,782 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:40:58,782 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:40:58,783 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:40:58,783 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:40:58,783 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:40:58,784 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:40:58,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:40:58,786 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:40:58,786 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_58fcd692-8588-42ff-8f98-01b4301a74c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d [2023-11-21 18:40:59,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:40:59,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:40:59,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:40:59,154 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:40:59,154 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:40:59,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-11-21 18:41:02,290 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:02,731 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:02,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-11-21 18:41:02,785 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/data/b541a0ef9/7c6985a6807f433e8dd2ec8c508c8935/FLAG8b4d5a39e [2023-11-21 18:41:02,801 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/data/b541a0ef9/7c6985a6807f433e8dd2ec8c508c8935 [2023-11-21 18:41:02,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:02,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:02,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:02,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:02,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:02,818 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:02" (1/1) ... [2023-11-21 18:41:02,820 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d10ebb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:02, skipping insertion in model container [2023-11-21 18:41:02,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:02" (1/1) ... [2023-11-21 18:41:02,909 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:03,412 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:41:04,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:04,791 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:04,814 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:41:04,955 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:05,381 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:05,381 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:05,381 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:05,382 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:05,382 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:05,382 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:05,390 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:05,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:05 WrapperNode [2023-11-21 18:41:05,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:05,393 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:05,393 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:05,393 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:05,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:05" (1/1) ... [2023-11-21 18:41:05,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:05" (1/1) ... [2023-11-21 18:41:05,512 INFO L138 Inliner]: procedures = 938, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-11-21 18:41:05,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:05,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:05,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:05,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:05,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:05" (1/1) ... [2023-11-21 18:41:05,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:05" (1/1) ... [2023-11-21 18:41:05,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:05" (1/1) ... [2023-11-21 18:41:05,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:05" (1/1) ... [2023-11-21 18:41:05,535 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:05" (1/1) ... [2023-11-21 18:41:05,537 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:05" (1/1) ... [2023-11-21 18:41:05,539 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:05" (1/1) ... [2023-11-21 18:41:05,541 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:05" (1/1) ... [2023-11-21 18:41:05,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:05,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:05,545 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:05,545 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:05,546 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:05" (1/1) ... [2023-11-21 18:41:05,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:05,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:05,580 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:05,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:05,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:05,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:41:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:41:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:41:05,629 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:41:05,630 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:41:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:41:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:41:05,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:41:05,837 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:05,839 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:05,969 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:06,014 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:06,021 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:41:06,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:06 BoogieIcfgContainer [2023-11-21 18:41:06,023 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:06,024 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:06,024 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:06,034 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:06,036 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:06" (1/1) ... [2023-11-21 18:41:06,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:41:06,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:06,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-21 18:41:06,116 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-21 18:41:06,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:41:06,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:06,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:06,317 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 18:41:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:06,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-21 18:41:06,346 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-21 18:41:06,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:41:06,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:06,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:06,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:06,458 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:41:06,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:06,493 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 18:41:06,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:06,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 25 transitions. [2023-11-21 18:41:06,532 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-21 18:41:06,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:41:06,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:06,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:41:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-21 18:41:16,622 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 18:41:16,630 INFO L158 Benchmark]: Toolchain (without parser) took 13817.84ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 82.4MB in the beginning and 104.1MB in the end (delta: -21.8MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:16,630 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 132.1MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:16,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2579.85ms. Allocated memory is still 132.1MB. Free memory was 82.1MB in the beginning and 70.2MB in the end (delta: 11.9MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-11-21 18:41:16,632 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.69ms. Allocated memory is still 132.1MB. Free memory was 70.2MB in the beginning and 66.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:41:16,633 INFO L158 Benchmark]: Boogie Preprocessor took 30.13ms. Allocated memory is still 132.1MB. Free memory was 66.0MB in the beginning and 64.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:41:16,633 INFO L158 Benchmark]: RCFGBuilder took 478.14ms. Allocated memory is still 132.1MB. Free memory was 64.4MB in the beginning and 49.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:41:16,634 INFO L158 Benchmark]: CodeCheck took 10603.77ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 49.7MB in the beginning and 104.1MB in the end (delta: -54.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:41:16,638 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 0.40ms. Allocated memory is still 132.1MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2579.85ms. Allocated memory is still 132.1MB. Free memory was 82.1MB in the beginning and 70.2MB in the end (delta: 11.9MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 120.69ms. Allocated memory is still 132.1MB. Free memory was 70.2MB in the beginning and 66.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.13ms. Allocated memory is still 132.1MB. Free memory was 66.0MB in the beginning and 64.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.14ms. Allocated memory is still 132.1MB. Free memory was 64.4MB in the beginning and 49.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10603.77ms. Allocated memory was 132.1MB in the beginning and 161.5MB in the end (delta: 29.4MB). Free memory was 49.7MB in the beginning and 104.1MB in the end (delta: -54.4MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:41:16,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/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_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/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_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/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_58fcd692-8588-42ff-8f98-01b4301a74c5/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_58fcd692-8588-42ff-8f98-01b4301a74c5/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 cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:41:19,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:41:19,517 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:41:19,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:41:19,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:41:19,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:41:19,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:41:19,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:41:19,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:41:19,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:41:19,590 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:41:19,590 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:41:19,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:41:19,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:41:19,593 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:41:19,594 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:41:19,594 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:41:19,595 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:41:19,595 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:41:19,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:41:19,597 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:41:19,598 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:41:19,599 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:41:19,599 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:41:19,600 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:41:19,600 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:41:19,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:41:19,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:19,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:41:19,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:41:19,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:41:19,604 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:41:19,605 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:41:19,605 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:41:19,606 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:41:19,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:41:19,606 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_58fcd692-8588-42ff-8f98-01b4301a74c5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab93d9b997925a5ca6dd0ed3620339107d5cf3811459d0eaa40428b376dab1d [2023-11-21 18:41:20,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:41:20,071 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:41:20,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:41:20,076 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:41:20,077 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:41:20,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-11-21 18:41:23,557 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:41:24,048 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:41:24,049 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_13_bad.i [2023-11-21 18:41:24,077 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/data/6db650a30/786f65bf17d74129b2856a5334a47a7e/FLAGfb4ee7229 [2023-11-21 18:41:24,095 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/data/6db650a30/786f65bf17d74129b2856a5334a47a7e [2023-11-21 18:41:24,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:41:24,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:41:24,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:24,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:41:24,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:41:24,113 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:24" (1/1) ... [2023-11-21 18:41:24,115 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@599c1ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:24, skipping insertion in model container [2023-11-21 18:41:24,115 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:41:24" (1/1) ... [2023-11-21 18:41:24,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:41:24,786 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:41:25,916 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:25,938 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:41:25,974 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:41:26,087 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:41:26,413 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:26,414 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:26,414 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:26,414 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:26,414 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:26,414 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:41:26,422 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:41:26,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26 WrapperNode [2023-11-21 18:41:26,423 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:41:26,424 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:26,424 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:41:26,424 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:41:26,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,513 INFO L138 Inliner]: procedures = 943, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2023-11-21 18:41:26,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:41:26,515 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:41:26,515 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:41:26,515 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:41:26,526 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,555 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:41:26,556 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:41:26,556 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:41:26,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:41:26,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:41:26" (1/1) ... [2023-11-21 18:41:26,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:41:26,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:41:26,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:41:26,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:41:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:41:26,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:41:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:41:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:41:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:41:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 18:41:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:41:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:41:26,655 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:41:26,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:41:26,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:41:26,834 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:41:26,837 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:41:30,726 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:41:30,781 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:41:30,781 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:41:30,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:30 BoogieIcfgContainer [2023-11-21 18:41:30,783 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:41:30,784 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:41:30,784 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:41:30,795 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:41:30,796 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:41:30" (1/1) ... [2023-11-21 18:41:30,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:41:30,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:30,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-21 18:41:30,869 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-21 18:41:30,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:41:30,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:30,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:41:30,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:41:30,879 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:41:30,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:41:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:31,034 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:41:31,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:41:31,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:41:31,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:41:31,141 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 18:41:31,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:41:31,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:41:31,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 26 transitions. [2023-11-21 18:41:31,261 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-21 18:41:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:41:31,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:41:31,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:41:31,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:41:31,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:41:31,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58fcd692-8588-42ff-8f98-01b4301a74c5/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process