./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/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_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/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_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/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 d0bec28414a29f5d94e08ce8b0a09d9bead349efbfc356a0522b9df0355fe2d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:47:39,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:47:39,711 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:47:39,730 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:47:39,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:47:39,770 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:47:39,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:47:39,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:47:39,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:47:39,773 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:47:39,774 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:47:39,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:47:39,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:47:39,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:47:39,777 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:47:39,777 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:47:39,778 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:47:39,779 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:47:39,779 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:47:39,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:47:39,780 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:47:39,781 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:47:39,782 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:47:39,782 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:47:39,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:47:39,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:39,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:47:39,785 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:47:39,785 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:47:39,786 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:47:39,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:47:39,787 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:47:39,787 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_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0bec28414a29f5d94e08ce8b0a09d9bead349efbfc356a0522b9df0355fe2d5 [2023-11-21 18:47:40,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:47:40,221 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:47:40,225 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:47:40,227 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:47:40,227 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:47:40,229 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i [2023-11-21 18:47:43,952 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:47:44,525 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:47:44,527 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i [2023-11-21 18:47:44,569 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/data/0acedd111/5279b29603024f87b1e6f1bb6c57f63f/FLAG9834f2621 [2023-11-21 18:47:44,589 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/data/0acedd111/5279b29603024f87b1e6f1bb6c57f63f [2023-11-21 18:47:44,594 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:47:44,596 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:47:44,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:44,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:47:44,606 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:47:44,607 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:44" (1/1) ... [2023-11-21 18:47:44,608 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@621f8770 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:44, skipping insertion in model container [2023-11-21 18:47:44,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:47:44" (1/1) ... [2023-11-21 18:47:44,716 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:47:45,214 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:47:46,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:46,745 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:47:46,767 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:47:46,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:47:47,418 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:47,418 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:47,419 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:47,419 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:47,419 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:47,419 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:47:47,428 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:47:47,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:47 WrapperNode [2023-11-21 18:47:47,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:47:47,430 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:47,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:47:47,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:47:47,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:47" (1/1) ... [2023-11-21 18:47:47,494 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:47" (1/1) ... [2023-11-21 18:47:47,542 INFO L138 Inliner]: procedures = 938, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-11-21 18:47:47,543 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:47:47,543 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:47:47,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:47:47,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:47:47,551 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:47" (1/1) ... [2023-11-21 18:47:47,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:47" (1/1) ... [2023-11-21 18:47:47,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:47" (1/1) ... [2023-11-21 18:47:47,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:47" (1/1) ... [2023-11-21 18:47:47,563 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:47" (1/1) ... [2023-11-21 18:47:47,566 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:47" (1/1) ... [2023-11-21 18:47:47,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:47" (1/1) ... [2023-11-21 18:47:47,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:47" (1/1) ... [2023-11-21 18:47:47,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:47:47,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:47:47,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:47:47,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:47:47,579 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:47:47" (1/1) ... [2023-11-21 18:47:47,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:47:47,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:47:47,627 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:47:47,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:47:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:47:47,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:47:47,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:47:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:47:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:47:47,677 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:47:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:47:47,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:47:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:47:47,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:47:47,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:47:47,895 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:47:47,897 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:47:48,039 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:47:48,114 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:47:48,114 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:47:48,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:48 BoogieIcfgContainer [2023-11-21 18:47:48,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:47:48,124 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:47:48,124 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:47:48,136 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:47:48,137 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:47:48" (1/1) ... [2023-11-21 18:47:48,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:47:48,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:48,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-21 18:47:48,234 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-21 18:47:48,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:47:48,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:48,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:48,477 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 18:47:48,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:48,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-21 18:47:48,518 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-21 18:47:48,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:47:48,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:48,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:47:48,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:47:48,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:47:48,699 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 18:47:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:47:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 25 transitions. [2023-11-21 18:47:48,757 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-21 18:47:48,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:47:48,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:47:48,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:47:58,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-21 18:47:58,902 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 18:47:58,907 INFO L158 Benchmark]: Toolchain (without parser) took 14309.79ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 95.5MB in the beginning and 59.1MB in the end (delta: 36.4MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2023-11-21 18:47:58,907 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 102.8MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:47:58,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2829.54ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 95.0MB in the beginning and 107.3MB in the end (delta: -12.3MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2023-11-21 18:47:58,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.31ms. Allocated memory is still 176.2MB. Free memory was 107.3MB in the beginning and 103.0MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:47:58,914 INFO L158 Benchmark]: Boogie Preprocessor took 33.35ms. Allocated memory is still 176.2MB. Free memory was 103.0MB in the beginning and 101.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:47:58,915 INFO L158 Benchmark]: RCFGBuilder took 545.49ms. Allocated memory is still 176.2MB. Free memory was 101.0MB in the beginning and 86.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:47:58,916 INFO L158 Benchmark]: CodeCheck took 10781.45ms. Allocated memory is still 176.2MB. Free memory was 86.3MB in the beginning and 59.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-21 18:47:58,919 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 0.49ms. Allocated memory is still 102.8MB. Free memory is still 56.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2829.54ms. Allocated memory was 138.4MB in the beginning and 176.2MB in the end (delta: 37.7MB). Free memory was 95.0MB in the beginning and 107.3MB in the end (delta: -12.3MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.31ms. Allocated memory is still 176.2MB. Free memory was 107.3MB in the beginning and 103.0MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.35ms. Allocated memory is still 176.2MB. Free memory was 103.0MB in the beginning and 101.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 545.49ms. Allocated memory is still 176.2MB. Free memory was 101.0MB in the beginning and 86.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10781.45ms. Allocated memory is still 176.2MB. Free memory was 86.3MB in the beginning and 59.1MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:47:58,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/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_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/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_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/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 d0bec28414a29f5d94e08ce8b0a09d9bead349efbfc356a0522b9df0355fe2d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:48:01,753 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:48:01,893 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:48:01,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:48:01,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:48:01,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:48:01,939 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:48:01,940 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:48:01,941 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:48:01,941 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:48:01,942 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:48:01,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:48:01,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:48:01,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:48:01,945 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:48:01,945 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:48:01,946 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:48:01,947 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:48:01,947 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:48:01,948 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:48:01,949 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:48:01,950 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:48:01,950 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:48:01,951 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:48:01,952 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:48:01,952 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:48:01,953 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:48:01,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:01,954 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:48:01,955 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:48:01,955 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:48:01,956 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:48:01,956 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:48:01,957 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:48:01,957 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:48:01,957 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:48:01,958 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_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d0bec28414a29f5d94e08ce8b0a09d9bead349efbfc356a0522b9df0355fe2d5 [2023-11-21 18:48:02,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:48:02,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:48:02,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:48:02,463 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:48:02,468 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:48:02,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i [2023-11-21 18:48:05,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:48:06,338 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:48:06,339 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_05_bad.i [2023-11-21 18:48:06,378 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/data/3f5291877/cbeffba6feb1433eb13e504a8b54c9da/FLAG7158c1e7e [2023-11-21 18:48:06,395 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/data/3f5291877/cbeffba6feb1433eb13e504a8b54c9da [2023-11-21 18:48:06,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:48:06,400 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:48:06,402 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:06,402 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:48:06,408 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:48:06,409 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:06" (1/1) ... [2023-11-21 18:48:06,410 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f73c41d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:06, skipping insertion in model container [2023-11-21 18:48:06,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:48:06" (1/1) ... [2023-11-21 18:48:06,515 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:48:07,061 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:48:08,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:08,316 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:48:08,354 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:48:08,439 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:48:08,845 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:08,845 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:08,846 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:08,846 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:08,846 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:08,846 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:48:08,855 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:48:08,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:08 WrapperNode [2023-11-21 18:48:08,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:48:08,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:08,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:48:08,857 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:48:08,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:08" (1/1) ... [2023-11-21 18:48:08,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:08" (1/1) ... [2023-11-21 18:48:08,974 INFO L138 Inliner]: procedures = 943, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-11-21 18:48:08,975 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:48:08,976 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:48:08,976 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:48:08,977 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:48:08,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:08" (1/1) ... [2023-11-21 18:48:08,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:08" (1/1) ... [2023-11-21 18:48:08,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:08" (1/1) ... [2023-11-21 18:48:08,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:08" (1/1) ... [2023-11-21 18:48:09,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:08" (1/1) ... [2023-11-21 18:48:09,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:08" (1/1) ... [2023-11-21 18:48:09,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:08" (1/1) ... [2023-11-21 18:48:09,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:08" (1/1) ... [2023-11-21 18:48:09,020 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:48:09,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:48:09,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:48:09,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:48:09,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:48:08" (1/1) ... [2023-11-21 18:48:09,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:48:09,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:48:09,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:48:09,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:48:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:48:09,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:48:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:48:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:48:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:48:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 18:48:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:48:09,106 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:48:09,106 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:48:09,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:48:09,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:48:09,356 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:48:09,359 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:48:11,589 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:48:11,667 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:48:11,667 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:48:11,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:11 BoogieIcfgContainer [2023-11-21 18:48:11,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:48:11,670 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:48:11,670 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:48:11,681 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:48:11,682 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:48:11" (1/1) ... [2023-11-21 18:48:11,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:48:11,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:11,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-21 18:48:11,767 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-21 18:48:11,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:48:11,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:11,774 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:48:11,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:48:11,778 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:48:11,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:48:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:11,913 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:48:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:48:12,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:48:12,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:48:12,087 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 18:48:12,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:48:12,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:48:12,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-21 18:48:12,158 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-21 18:48:12,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:48:12,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:48:12,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:48:12,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:48:12,165 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:48:12,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_96e1756a-7a9b-4540-ab74-dc00c2b5d3a9/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process