./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_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_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/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_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/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_12db87b1-a598-49fa-9ae0-c9c7706b458c/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 aa3605b34b0253b1f3c1c66572f8bf88a65afb1f8dcc06ae4ec10c63433c4213 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:28:45,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:28:45,786 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:28:45,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:28:45,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:28:45,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:28:45,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:28:45,843 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:28:45,844 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:28:45,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:28:45,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:28:45,851 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:28:45,851 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:28:45,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:28:45,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:28:45,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:28:45,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:28:45,854 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:28:45,855 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:28:45,855 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:28:45,856 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:28:45,857 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:28:45,857 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:28:45,857 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:28:45,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:28:45,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:45,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:28:45,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:28:45,861 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:28:45,861 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:28:45,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:28:45,863 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:28:45,863 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_12db87b1-a598-49fa-9ae0-c9c7706b458c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa3605b34b0253b1f3c1c66572f8bf88a65afb1f8dcc06ae4ec10c63433c4213 [2023-11-21 18:28:46,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:28:46,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:28:46,242 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:28:46,243 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:28:46,244 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:28:46,246 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_bad.i [2023-11-21 18:28:49,385 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:28:49,982 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:28:49,983 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_bad.i [2023-11-21 18:28:50,010 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/data/f88134fd6/eba0533c445d4290be43460a57e207bf/FLAG6ea24af71 [2023-11-21 18:28:50,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/data/f88134fd6/eba0533c445d4290be43460a57e207bf [2023-11-21 18:28:50,029 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:28:50,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:28:50,032 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:50,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:28:50,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:28:50,040 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:50" (1/1) ... [2023-11-21 18:28:50,042 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@478d73c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:50, skipping insertion in model container [2023-11-21 18:28:50,043 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:50" (1/1) ... [2023-11-21 18:28:50,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:28:50,700 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:28:52,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:52,294 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:28:52,315 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:28:52,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:52,698 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:52,699 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:52,699 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:52,699 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:52,699 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:52,699 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:28:52,707 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:28:52,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:52 WrapperNode [2023-11-21 18:28:52,707 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:52,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:52,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:28:52,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:28:52,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:52" (1/1) ... [2023-11-21 18:28:52,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:52" (1/1) ... [2023-11-21 18:28:52,780 INFO L138 Inliner]: procedures = 940, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-11-21 18:28:52,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:52,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:28:52,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:28:52,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:28:52,795 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:52" (1/1) ... [2023-11-21 18:28:52,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:52" (1/1) ... [2023-11-21 18:28:52,799 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:52" (1/1) ... [2023-11-21 18:28:52,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:52" (1/1) ... [2023-11-21 18:28:52,807 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:52" (1/1) ... [2023-11-21 18:28:52,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:52" (1/1) ... [2023-11-21 18:28:52,812 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:52" (1/1) ... [2023-11-21 18:28:52,813 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:52" (1/1) ... [2023-11-21 18:28:52,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:28:52,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:28:52,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:28:52,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:28:52,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:52" (1/1) ... [2023-11-21 18:28:52,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:52,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:28:52,858 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:28:52,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:28:52,901 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:28:52,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:28:52,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:28:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-21 18:28:52,902 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-21 18:28:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:28:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:28:52,902 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:28:52,903 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:28:52,903 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:28:52,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:28:52,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:28:52,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:28:53,086 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:28:53,089 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:28:53,258 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:28:53,308 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:28:53,308 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:28:53,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:53 BoogieIcfgContainer [2023-11-21 18:28:53,310 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:28:53,311 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:28:53,311 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:28:53,323 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:28:53,323 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:53" (1/1) ... [2023-11-21 18:28:53,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:28:53,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:53,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2023-11-21 18:28:53,392 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-21 18:28:53,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:28:53,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:53,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:53,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:53,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:28:53,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:53,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-11-21 18:28:53,841 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-11-21 18:28:53,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:28:53,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:53,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-21 18:29:03,941 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 18:29:03,945 INFO L158 Benchmark]: Toolchain (without parser) took 13914.10ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 99.7MB in the beginning and 63.6MB in the end (delta: 36.0MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2023-11-21 18:29:03,946 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 113.2MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:29:03,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2675.69ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 99.3MB in the beginning and 110.7MB in the end (delta: -11.5MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2023-11-21 18:29:03,947 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.43ms. Allocated memory is still 174.1MB. Free memory was 110.7MB in the beginning and 106.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:29:03,948 INFO L158 Benchmark]: Boogie Preprocessor took 34.79ms. Allocated memory is still 174.1MB. Free memory was 106.6MB in the beginning and 105.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:29:03,949 INFO L158 Benchmark]: RCFGBuilder took 492.87ms. Allocated memory is still 174.1MB. Free memory was 105.6MB in the beginning and 89.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:29:03,949 INFO L158 Benchmark]: CodeCheck took 10632.63ms. Allocated memory is still 174.1MB. Free memory was 88.8MB in the beginning and 63.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:29:03,953 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 0.35ms. Allocated memory is still 113.2MB. Free memory is still 68.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2675.69ms. Allocated memory was 136.3MB in the beginning and 174.1MB in the end (delta: 37.7MB). Free memory was 99.3MB in the beginning and 110.7MB in the end (delta: -11.5MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.43ms. Allocated memory is still 174.1MB. Free memory was 110.7MB in the beginning and 106.6MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.79ms. Allocated memory is still 174.1MB. Free memory was 106.6MB in the beginning and 105.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 492.87ms. Allocated memory is still 174.1MB. Free memory was 105.6MB in the beginning and 89.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10632.63ms. Allocated memory is still 174.1MB. Free memory was 88.8MB in the beginning and 63.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:29:03,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/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_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/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_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/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_12db87b1-a598-49fa-9ae0-c9c7706b458c/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 aa3605b34b0253b1f3c1c66572f8bf88a65afb1f8dcc06ae4ec10c63433c4213 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:29:06,979 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:29:07,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:29:07,179 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:29:07,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:29:07,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:29:07,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:29:07,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:29:07,183 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:29:07,189 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:29:07,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:29:07,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:29:07,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:29:07,192 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:29:07,192 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:29:07,192 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:29:07,193 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:29:07,193 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:29:07,194 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:29:07,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:29:07,195 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:29:07,196 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:29:07,197 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:29:07,197 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:29:07,197 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:29:07,198 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:29:07,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:29:07,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:07,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:29:07,199 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:29:07,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:29:07,201 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:29:07,201 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:29:07,202 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:29:07,202 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:29:07,202 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:29:07,202 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_12db87b1-a598-49fa-9ae0-c9c7706b458c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa3605b34b0253b1f3c1c66572f8bf88a65afb1f8dcc06ae4ec10c63433c4213 [2023-11-21 18:29:07,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:29:07,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:29:07,701 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:29:07,702 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:29:07,703 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:29:07,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_bad.i [2023-11-21 18:29:11,224 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:29:11,794 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:29:11,794 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_bad.i [2023-11-21 18:29:11,835 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/data/1390fa6a8/b33548197028411ca13620c9439045e2/FLAG0cae970f5 [2023-11-21 18:29:11,855 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/data/1390fa6a8/b33548197028411ca13620c9439045e2 [2023-11-21 18:29:11,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:29:11,861 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:29:11,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:11,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:29:11,870 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:29:11,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:11" (1/1) ... [2023-11-21 18:29:11,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fdd599a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:11, skipping insertion in model container [2023-11-21 18:29:11,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:11" (1/1) ... [2023-11-21 18:29:11,997 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:29:12,559 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:29:13,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:13,737 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:29:13,761 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:29:13,857 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:14,094 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:14,095 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:14,095 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:14,095 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:14,095 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:14,095 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:14,103 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:29:14,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:14 WrapperNode [2023-11-21 18:29:14,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:14,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:14,105 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:29:14,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:29:14,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:14" (1/1) ... [2023-11-21 18:29:14,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:14" (1/1) ... [2023-11-21 18:29:14,195 INFO L138 Inliner]: procedures = 945, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-11-21 18:29:14,195 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:14,196 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:29:14,196 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:29:14,196 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:29:14,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:14" (1/1) ... [2023-11-21 18:29:14,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:14" (1/1) ... [2023-11-21 18:29:14,222 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:14" (1/1) ... [2023-11-21 18:29:14,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:14" (1/1) ... [2023-11-21 18:29:14,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:14" (1/1) ... [2023-11-21 18:29:14,235 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:14" (1/1) ... [2023-11-21 18:29:14,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:14" (1/1) ... [2023-11-21 18:29:14,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:14" (1/1) ... [2023-11-21 18:29:14,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:29:14,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:29:14,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:29:14,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:29:14,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:14" (1/1) ... [2023-11-21 18:29:14,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:14,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:29:14,318 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:29:14,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:29:14,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:29:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:29:14,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:29:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-21 18:29:14,376 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-21 18:29:14,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:29:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:29:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 18:29:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:29:14,377 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:29:14,379 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:29:14,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:29:14,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:29:14,583 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:29:14,586 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:29:16,340 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:29:16,421 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:29:16,421 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:29:16,423 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:16 BoogieIcfgContainer [2023-11-21 18:29:16,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:29:16,433 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:29:16,434 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:29:16,445 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:29:16,445 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:16" (1/1) ... [2023-11-21 18:29:16,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:29:16,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:16,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-21 18:29:16,541 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-21 18:29:16,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:29:16,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:16,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:29:16,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:29:16,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:29:16,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:29:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:16,745 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:29:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:16,824 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:16,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:16,921 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:16,924 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:29:16,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-21 18:29:17,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:17,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 22 states and 26 transitions. [2023-11-21 18:29:17,028 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-11-21 18:29:17,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:29:17,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:17,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:29:17,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:29:17,032 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:29:17,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12db87b1-a598-49fa-9ae0-c9c7706b458c/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process