./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC --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 30d0800fa245da50f0b55ac20c74fedc603adda52ecd4ec1e780eeece595a35b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:08,869 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:09,000 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:17:09,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:17:09,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:17:09,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:09,050 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:09,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:09,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:09,059 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:09,060 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:09,060 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:09,061 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:17:09,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:09,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:09,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:09,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:09,064 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:17:09,064 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:17:09,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:09,065 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:09,066 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:09,067 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:09,067 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:09,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:09,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:09,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:09,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:09,069 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:09,069 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:17:09,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:17:09,071 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:09,071 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_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30d0800fa245da50f0b55ac20c74fedc603adda52ecd4ec1e780eeece595a35b [2023-11-23 20:17:09,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:09,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:09,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:09,386 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:09,387 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:09,388 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_65_bad.i [2023-11-23 20:17:12,430 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:12,948 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:12,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_65_bad.i [2023-11-23 20:17:12,987 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/data/b674a78cd/034b63793c0c423293fdec191270d633/FLAG6fb9c1947 [2023-11-23 20:17:13,028 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/data/b674a78cd/034b63793c0c423293fdec191270d633 [2023-11-23 20:17:13,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:13,036 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:13,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:13,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:13,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:13,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:13" (1/1) ... [2023-11-23 20:17:13,082 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@422073d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:13, skipping insertion in model container [2023-11-23 20:17:13,082 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:13" (1/1) ... [2023-11-23 20:17:13,160 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:13,653 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:17:14,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:14,719 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:14,751 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:17:14,874 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:15,235 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:15,235 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:15,236 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:15,236 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:15,236 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:15,236 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:15,237 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:15,245 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:15,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15 WrapperNode [2023-11-23 20:17:15,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:15,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:15,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:15,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:15,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,339 INFO L138 Inliner]: procedures = 940, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 57 [2023-11-23 20:17:15,340 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:15,340 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:15,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:15,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:15,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,353 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,361 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,363 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,365 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,366 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,370 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:15,371 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:15,371 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:15,371 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:15,372 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:15,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:15,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:15,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:15,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:17:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:17:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:17:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:17:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:17:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:17:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:17:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:17:15,624 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:15,626 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:15,761 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:15,804 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:17:15,805 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:17:15,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:15 BoogieIcfgContainer [2023-11-23 20:17:15,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:17:15,808 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:17:15,808 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:17:15,820 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:17:15,820 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:15" (1/1) ... [2023-11-23 20:17:15,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:17:15,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:15,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 20:17:15,888 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 20:17:15,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:17:15,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:15,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:16,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:16,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:16,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-23 20:17:16,186 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-23 20:17:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:17:16,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:16,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-23 20:17:26,372 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) [2023-11-23 20:17:26,376 INFO L158 Benchmark]: Toolchain (without parser) took 13342.73ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 137.9MB in the beginning and 140.1MB in the end (delta: -2.2MB). Peak memory consumption was 31.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:26,377 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 127.9MB. Free memory was 95.9MB in the beginning and 95.8MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:17:26,378 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2185.26ms. Allocated memory is still 167.8MB. Free memory was 137.6MB in the beginning and 75.0MB in the end (delta: 62.6MB). Peak memory consumption was 97.7MB. Max. memory is 16.1GB. [2023-11-23 20:17:26,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.38ms. Allocated memory is still 167.8MB. Free memory was 75.0MB in the beginning and 71.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:17:26,379 INFO L158 Benchmark]: Boogie Preprocessor took 29.47ms. Allocated memory is still 167.8MB. Free memory was 71.2MB in the beginning and 69.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:26,380 INFO L158 Benchmark]: RCFGBuilder took 436.10ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 69.0MB in the beginning and 160.4MB in the end (delta: -91.4MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2023-11-23 20:17:26,381 INFO L158 Benchmark]: CodeCheck took 10566.78ms. Allocated memory is still 201.3MB. Free memory was 160.4MB in the beginning and 140.1MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:17:26,385 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 0.23ms. Allocated memory is still 127.9MB. Free memory was 95.9MB in the beginning and 95.8MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2185.26ms. Allocated memory is still 167.8MB. Free memory was 137.6MB in the beginning and 75.0MB in the end (delta: 62.6MB). Peak memory consumption was 97.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.38ms. Allocated memory is still 167.8MB. Free memory was 75.0MB in the beginning and 71.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.47ms. Allocated memory is still 167.8MB. Free memory was 71.2MB in the beginning and 69.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.10ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 69.0MB in the beginning and 160.4MB in the end (delta: -91.4MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * CodeCheck took 10566.78ms. Allocated memory is still 201.3MB. Free memory was 160.4MB in the beginning and 140.1MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-23 20:17:26,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC --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 30d0800fa245da50f0b55ac20c74fedc603adda52ecd4ec1e780eeece595a35b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:29,358 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:29,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:17:29,544 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:29,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:29,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:29,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:29,548 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:29,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:29,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:29,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:29,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:29,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:29,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:29,558 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:17:29,558 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:17:29,559 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:17:29,559 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:17:29,560 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:17:29,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:29,561 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:29,562 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:29,563 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:29,563 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:29,564 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:17:29,564 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:17:29,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:29,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:29,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:29,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:29,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:29,568 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:17:29,569 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:17:29,569 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:29,570 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:17:29,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:17:29,570 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_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 30d0800fa245da50f0b55ac20c74fedc603adda52ecd4ec1e780eeece595a35b [2023-11-23 20:17:30,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:30,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:30,145 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:30,147 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:30,148 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:30,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_65_bad.i [2023-11-23 20:17:33,845 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:34,444 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:34,446 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_65_bad.i [2023-11-23 20:17:34,487 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/data/d8193fee3/cc529e681ebd4f51a5be504575ad2bf6/FLAG0f9012b80 [2023-11-23 20:17:34,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/data/d8193fee3/cc529e681ebd4f51a5be504575ad2bf6 [2023-11-23 20:17:34,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:34,523 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:34,527 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:34,528 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:34,536 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:34,537 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,538 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374532e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:34, skipping insertion in model container [2023-11-23 20:17:34,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:34" (1/1) ... [2023-11-23 20:17:34,619 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:35,298 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:17:36,581 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:36,614 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:36,657 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:17:36,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:37,341 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:37,342 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:37,342 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:37,342 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:37,342 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:37,342 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:37,343 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:37,351 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:37,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:37 WrapperNode [2023-11-23 20:17:37,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:37,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:37,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:37,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:37,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:37" (1/1) ... [2023-11-23 20:17:37,397 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:37" (1/1) ... [2023-11-23 20:17:37,429 INFO L138 Inliner]: procedures = 945, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 56 [2023-11-23 20:17:37,431 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:37,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:37,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:37,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:37,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:37" (1/1) ... [2023-11-23 20:17:37,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:37" (1/1) ... [2023-11-23 20:17:37,449 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:37" (1/1) ... [2023-11-23 20:17:37,450 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:37" (1/1) ... [2023-11-23 20:17:37,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:37" (1/1) ... [2023-11-23 20:17:37,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:37" (1/1) ... [2023-11-23 20:17:37,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:37" (1/1) ... [2023-11-23 20:17:37,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:37" (1/1) ... [2023-11-23 20:17:37,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:37,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:37,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:37,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:37,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:37" (1/1) ... [2023-11-23 20:17:37,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:37,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:37,513 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:37,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:37,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:37,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:37,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:17:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:17:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:17:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:17:37,565 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:17:37,565 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:17:37,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:17:37,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:17:37,736 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:37,739 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:41,520 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:41,617 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:17:41,618 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:17:41,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:41 BoogieIcfgContainer [2023-11-23 20:17:41,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:17:41,622 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:17:41,622 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:17:41,647 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:17:41,648 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:41" (1/1) ... [2023-11-23 20:17:41,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:17:41,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:41,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 20:17:41,772 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 20:17:41,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:17:41,780 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:41,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:17:41,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:17:41,786 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:17:41,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7724cdf2-ac17-4493-b175-520cce35f65a/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process