./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_22_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_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/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_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/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_f6ac9289-7409-46da-b8fa-9a64dcd063b3/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 569389b75efaacf04f7709ba3ff4854202f000a6e6c725ec82714ee6487a1f5e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:49:38,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:49:38,584 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:49:38,593 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:49:38,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:49:38,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:49:38,669 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:49:38,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:49:38,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:49:38,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:49:38,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:49:38,679 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:49:38,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:49:38,682 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:49:38,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:49:38,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:49:38,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:49:38,685 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:49:38,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:49:38,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:49:38,687 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:49:38,688 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:49:38,689 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:49:38,689 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:49:38,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:49:38,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:38,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:49:38,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:49:38,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:49:38,695 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:49:38,696 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:49:38,697 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:49:38,697 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_f6ac9289-7409-46da-b8fa-9a64dcd063b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 569389b75efaacf04f7709ba3ff4854202f000a6e6c725ec82714ee6487a1f5e [2023-11-21 18:49:39,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:49:39,132 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:49:39,135 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:49:39,136 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:49:39,137 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:49:39,138 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_22_bad.i [2023-11-21 18:49:42,386 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:49:43,043 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:49:43,044 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_22_bad.i [2023-11-21 18:49:43,092 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/data/da4e60b84/e331ed72ed974d0fbe0c89e92fc4dcfa/FLAG5ee6fbf09 [2023-11-21 18:49:43,117 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/data/da4e60b84/e331ed72ed974d0fbe0c89e92fc4dcfa [2023-11-21 18:49:43,121 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:49:43,123 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:49:43,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:43,131 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:49:43,137 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:49:43,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e8195d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:43, skipping insertion in model container [2023-11-21 18:49:43,141 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:49:43" (1/1) ... [2023-11-21 18:49:43,254 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:49:43,897 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:49:45,639 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:45,662 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:49:45,707 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:49:45,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:49:46,364 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:46,365 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:46,365 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:46,366 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:46,366 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:46,366 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:49:46,375 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:49:46,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46 WrapperNode [2023-11-21 18:49:46,376 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:49:46,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:46,379 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:49:46,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:49:46,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,423 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,462 INFO L138 Inliner]: procedures = 939, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2023-11-21 18:49:46,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:49:46,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:49:46,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:49:46,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:49:46,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,474 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,478 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,487 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,489 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,497 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:49:46,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:49:46,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:49:46,498 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:49:46,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:49:46" (1/1) ... [2023-11-21 18:49:46,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:49:46,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:49:46,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:49:46,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:49:46,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:49:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:49:46,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:49:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:49:46,599 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:49:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:49:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:49:46,600 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:49:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:49:46,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:49:46,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:49:46,803 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:49:46,806 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:49:46,963 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:49:47,014 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:49:47,015 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:49:47,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:47 BoogieIcfgContainer [2023-11-21 18:49:47,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:49:47,017 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:49:47,017 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:49:47,028 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:49:47,028 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:49:47" (1/1) ... [2023-11-21 18:49:47,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:49:47,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:47,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-21 18:49:47,093 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-21 18:49:47,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:49:47,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:47,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:49:47,403 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 18:49:47,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:49:47,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-21 18:49:47,426 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-21 18:49:47,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:49:47,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:49:47,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:49:57,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-21 18:49:57,530 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 18:49:57,534 INFO L158 Benchmark]: Toolchain (without parser) took 14409.80ms. Allocated memory is still 174.1MB. Free memory was 138.2MB in the beginning and 75.8MB in the end (delta: 62.3MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2023-11-21 18:49:57,535 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:57,535 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3246.75ms. Allocated memory is still 174.1MB. Free memory was 137.8MB in the beginning and 116.7MB in the end (delta: 21.0MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. [2023-11-21 18:49:57,536 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.96ms. Allocated memory is still 174.1MB. Free memory was 116.7MB in the beginning and 112.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:49:57,537 INFO L158 Benchmark]: Boogie Preprocessor took 33.53ms. Allocated memory is still 174.1MB. Free memory was 112.5MB in the beginning and 111.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:49:57,538 INFO L158 Benchmark]: RCFGBuilder took 518.88ms. Allocated memory is still 174.1MB. Free memory was 111.5MB in the beginning and 95.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:49:57,539 INFO L158 Benchmark]: CodeCheck took 10515.09ms. Allocated memory is still 174.1MB. Free memory was 95.8MB in the beginning and 75.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:49:57,543 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 0.32ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3246.75ms. Allocated memory is still 174.1MB. Free memory was 137.8MB in the beginning and 116.7MB in the end (delta: 21.0MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.96ms. Allocated memory is still 174.1MB. Free memory was 116.7MB in the beginning and 112.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.53ms. Allocated memory is still 174.1MB. Free memory was 112.5MB in the beginning and 111.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 518.88ms. Allocated memory is still 174.1MB. Free memory was 111.5MB in the beginning and 95.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10515.09ms. Allocated memory is still 174.1MB. Free memory was 95.8MB in the beginning and 75.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:49:57,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/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_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/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_f6ac9289-7409-46da-b8fa-9a64dcd063b3/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 569389b75efaacf04f7709ba3ff4854202f000a6e6c725ec82714ee6487a1f5e --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:00,166 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:00,301 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:50:00,353 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:00,355 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:00,356 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:00,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:00,357 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:00,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:00,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:00,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:00,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:00,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:00,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:00,367 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:50:00,368 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:50:00,368 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:50:00,369 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:50:00,369 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:50:00,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:00,371 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:00,372 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:00,372 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:00,373 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:00,373 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:50:00,374 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:50:00,374 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:00,375 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:00,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:00,376 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:00,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:00,378 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:50:00,378 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:50:00,378 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:00,379 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:50:00,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:50:00,379 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_f6ac9289-7409-46da-b8fa-9a64dcd063b3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 569389b75efaacf04f7709ba3ff4854202f000a6e6c725ec82714ee6487a1f5e [2023-11-21 18:50:00,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:00,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:00,948 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:00,949 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:00,950 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:00,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_22_bad.i [2023-11-21 18:50:04,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:50:04,829 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:50:04,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_22_bad.i [2023-11-21 18:50:04,881 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/data/7c6464aa2/0c7106c203c6475d90fe8cbb80fb361c/FLAG683e637bd [2023-11-21 18:50:04,901 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/data/7c6464aa2/0c7106c203c6475d90fe8cbb80fb361c [2023-11-21 18:50:04,908 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:50:04,910 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:50:04,913 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:04,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:50:04,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:50:04,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:04" (1/1) ... [2023-11-21 18:50:04,922 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4482ff58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:04, skipping insertion in model container [2023-11-21 18:50:04,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:04" (1/1) ... [2023-11-21 18:50:05,036 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:05,628 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:50:06,868 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:06,888 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:50:06,914 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:50:07,016 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:07,567 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:07,567 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:07,567 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:07,567 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:07,568 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:07,568 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:50:07,576 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:50:07,576 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:07 WrapperNode [2023-11-21 18:50:07,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:07,578 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:07,578 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:50:07,579 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:50:07,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:07" (1/1) ... [2023-11-21 18:50:07,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:07" (1/1) ... [2023-11-21 18:50:07,689 INFO L138 Inliner]: procedures = 944, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2023-11-21 18:50:07,690 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:07,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:50:07,691 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:50:07,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:50:07,704 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:07" (1/1) ... [2023-11-21 18:50:07,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:07" (1/1) ... [2023-11-21 18:50:07,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:07" (1/1) ... [2023-11-21 18:50:07,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:07" (1/1) ... [2023-11-21 18:50:07,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:07" (1/1) ... [2023-11-21 18:50:07,759 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:07" (1/1) ... [2023-11-21 18:50:07,763 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:07" (1/1) ... [2023-11-21 18:50:07,765 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:07" (1/1) ... [2023-11-21 18:50:07,779 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:50:07,780 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:50:07,780 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:50:07,780 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:50:07,781 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:07" (1/1) ... [2023-11-21 18:50:07,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:07,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:50:07,847 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:50:07,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:50:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:50:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:50:07,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:50:07,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:50:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:50:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 18:50:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:50:07,903 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:50:07,904 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:50:07,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:50:07,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:50:08,086 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:50:08,089 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:50:12,012 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:50:12,058 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:50:12,058 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:50:12,060 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:12 BoogieIcfgContainer [2023-11-21 18:50:12,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:50:12,061 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:50:12,061 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:50:12,072 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:50:12,072 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:12" (1/1) ... [2023-11-21 18:50:12,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:50:12,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-21 18:50:12,138 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-21 18:50:12,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:50:12,143 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:12,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:50:12,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:50:12,149 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:50:12,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f6ac9289-7409-46da-b8fa-9a64dcd063b3/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process