./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_44_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_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/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_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/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_a38ae490-d14f-41ca-a6b9-9f381a4abec7/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 3fc10838748dc3e62cae4b1741157f52b48b48e98955275eb5a68564e792252f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:34:01,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:34:01,280 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:34:01,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:34:01,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:34:01,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:34:01,337 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:34:01,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:34:01,339 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:34:01,340 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:34:01,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:34:01,342 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:34:01,343 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:34:01,348 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:34:01,348 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:34:01,349 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:34:01,350 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:34:01,351 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:34:01,351 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:34:01,351 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:34:01,352 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:34:01,352 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:34:01,353 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:34:01,355 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:34:01,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:34:01,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:01,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:34:01,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:34:01,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:34:01,358 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:34:01,359 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:34:01,359 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:34:01,360 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_a38ae490-d14f-41ca-a6b9-9f381a4abec7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fc10838748dc3e62cae4b1741157f52b48b48e98955275eb5a68564e792252f [2023-11-21 18:34:01,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:34:01,696 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:34:01,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:34:01,700 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:34:01,701 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:34:01,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_44_bad.i [2023-11-21 18:34:04,694 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:34:05,214 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:34:05,215 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_44_bad.i [2023-11-21 18:34:05,255 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/data/82b3c2e00/3a6c6484cdad4bc3b20b42d1439e1027/FLAG5dab7db91 [2023-11-21 18:34:05,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/data/82b3c2e00/3a6c6484cdad4bc3b20b42d1439e1027 [2023-11-21 18:34:05,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:34:05,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:34:05,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:05,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:34:05,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:34:05,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:05" (1/1) ... [2023-11-21 18:34:05,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35ca2b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:05, skipping insertion in model container [2023-11-21 18:34:05,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:05" (1/1) ... [2023-11-21 18:34:05,346 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:34:05,854 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:34:07,397 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:07,419 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:34:07,459 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:34:07,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:08,072 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:08,073 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:08,073 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:08,073 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:08,073 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:08,073 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:08,074 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:08,082 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:34:08,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:08 WrapperNode [2023-11-21 18:34:08,082 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:08,083 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:08,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:34:08,089 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:34:08,110 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:08" (1/1) ... [2023-11-21 18:34:08,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:08" (1/1) ... [2023-11-21 18:34:08,200 INFO L138 Inliner]: procedures = 940, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 57 [2023-11-21 18:34:08,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:08,201 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:34:08,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:34:08,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:34:08,212 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:08" (1/1) ... [2023-11-21 18:34:08,212 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:08" (1/1) ... [2023-11-21 18:34:08,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:08" (1/1) ... [2023-11-21 18:34:08,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:08" (1/1) ... [2023-11-21 18:34:08,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:08" (1/1) ... [2023-11-21 18:34:08,226 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:08" (1/1) ... [2023-11-21 18:34:08,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:08" (1/1) ... [2023-11-21 18:34:08,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:08" (1/1) ... [2023-11-21 18:34:08,233 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:34:08,234 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:34:08,234 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:34:08,234 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:34:08,235 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:08" (1/1) ... [2023-11-21 18:34:08,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:08,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:34:08,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:34:08,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:34:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:34:08,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:34:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:34:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:34:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:34:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:34:08,325 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:34:08,325 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:34:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:34:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:34:08,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:34:08,506 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:34:08,509 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:34:08,671 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:34:08,734 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:34:08,735 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:34:08,736 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:08 BoogieIcfgContainer [2023-11-21 18:34:08,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:34:08,738 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:34:08,738 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:34:08,753 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:34:08,754 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:08" (1/1) ... [2023-11-21 18:34:08,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:34:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:08,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:34:08,840 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:34:08,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:34:08,849 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:08,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:08,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:09,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:09,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:09,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-21 18:34:09,137 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-21 18:34:09,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:34:09,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:09,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-21 18:34:19,261 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 18:34:19,266 INFO L158 Benchmark]: Toolchain (without parser) took 13985.31ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 113.5MB in the beginning and 122.7MB in the end (delta: -9.1MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2023-11-21 18:34:19,266 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 121.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:34:19,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2802.12ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 113.3MB in the beginning and 165.7MB in the end (delta: -52.4MB). Peak memory consumption was 91.0MB. Max. memory is 16.1GB. [2023-11-21 18:34:19,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.44ms. Allocated memory is still 218.1MB. Free memory was 165.7MB in the beginning and 161.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:34:19,269 INFO L158 Benchmark]: Boogie Preprocessor took 31.76ms. Allocated memory is still 218.1MB. Free memory was 161.5MB in the beginning and 159.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:34:19,270 INFO L158 Benchmark]: RCFGBuilder took 503.49ms. Allocated memory is still 218.1MB. Free memory was 159.4MB in the beginning and 143.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:34:19,271 INFO L158 Benchmark]: CodeCheck took 10525.75ms. Allocated memory is still 218.1MB. Free memory was 142.6MB in the beginning and 122.7MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:34:19,275 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 0.26ms. Allocated memory is still 121.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2802.12ms. Allocated memory was 148.9MB in the beginning and 218.1MB in the end (delta: 69.2MB). Free memory was 113.3MB in the beginning and 165.7MB in the end (delta: -52.4MB). Peak memory consumption was 91.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.44ms. Allocated memory is still 218.1MB. Free memory was 165.7MB in the beginning and 161.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.76ms. Allocated memory is still 218.1MB. Free memory was 161.5MB in the beginning and 159.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.49ms. Allocated memory is still 218.1MB. Free memory was 159.4MB in the beginning and 143.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10525.75ms. Allocated memory is still 218.1MB. Free memory was 142.6MB in the beginning and 122.7MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:34:19,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/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_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/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_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/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_a38ae490-d14f-41ca-a6b9-9f381a4abec7/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 3fc10838748dc3e62cae4b1741157f52b48b48e98955275eb5a68564e792252f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:34:22,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:34:22,642 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:34:22,713 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:34:22,714 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:34:22,715 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:34:22,716 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:34:22,717 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:34:22,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:34:22,724 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:34:22,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:34:22,725 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:34:22,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:34:22,728 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:34:22,728 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:34:22,729 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:34:22,729 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:34:22,730 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:34:22,730 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:34:22,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:34:22,732 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:34:22,733 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:34:22,734 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:34:22,734 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:34:22,735 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:34:22,735 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:34:22,736 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:34:22,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:22,737 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:34:22,737 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:34:22,739 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:34:22,739 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:34:22,739 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:34:22,740 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:34:22,740 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:34:22,740 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:34:22,741 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_a38ae490-d14f-41ca-a6b9-9f381a4abec7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fc10838748dc3e62cae4b1741157f52b48b48e98955275eb5a68564e792252f [2023-11-21 18:34:23,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:34:23,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:34:23,317 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:34:23,319 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:34:23,320 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:34:23,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_44_bad.i [2023-11-21 18:34:26,830 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:34:27,436 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:34:27,437 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_44_bad.i [2023-11-21 18:34:27,491 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/data/5043c45ab/71a60d681d3543c496cd98bc64226dda/FLAGe78667dd0 [2023-11-21 18:34:27,514 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/data/5043c45ab/71a60d681d3543c496cd98bc64226dda [2023-11-21 18:34:27,521 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:34:27,524 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:34:27,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:27,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:34:27,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:34:27,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:27" (1/1) ... [2023-11-21 18:34:27,541 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f9cd79a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:27, skipping insertion in model container [2023-11-21 18:34:27,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:27" (1/1) ... [2023-11-21 18:34:27,673 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:34:28,306 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:34:29,731 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:29,750 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:34:29,779 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:34:29,882 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:30,548 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:30,548 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:30,548 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:30,548 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:30,549 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:30,549 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:30,550 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:34:30,557 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:34:30,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:30 WrapperNode [2023-11-21 18:34:30,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:30,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:30,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:34:30,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:34:30,569 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:30" (1/1) ... [2023-11-21 18:34:30,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:30" (1/1) ... [2023-11-21 18:34:30,692 INFO L138 Inliner]: procedures = 945, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 56 [2023-11-21 18:34:30,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:30,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:34:30,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:34:30,695 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:34:30,707 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:30" (1/1) ... [2023-11-21 18:34:30,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:30" (1/1) ... [2023-11-21 18:34:30,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:30" (1/1) ... [2023-11-21 18:34:30,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:30" (1/1) ... [2023-11-21 18:34:30,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:30" (1/1) ... [2023-11-21 18:34:30,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:30" (1/1) ... [2023-11-21 18:34:30,743 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:30" (1/1) ... [2023-11-21 18:34:30,746 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:30" (1/1) ... [2023-11-21 18:34:30,752 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:34:30,754 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:34:30,754 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:34:30,754 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:34:30,755 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:30" (1/1) ... [2023-11-21 18:34:30,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:30,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:34:30,821 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:34:30,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:34:30,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:34:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:34:30,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:34:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:34:30,877 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:34:30,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 18:34:30,878 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:34:30,878 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:34:30,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:34:30,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:34:30,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:34:31,103 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:34:31,106 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:34:36,930 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:34:36,993 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:34:36,993 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:34:36,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:36 BoogieIcfgContainer [2023-11-21 18:34:36,996 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:34:36,997 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:34:36,997 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:34:37,017 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:34:37,017 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:36" (1/1) ... [2023-11-21 18:34:37,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:34:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:37,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:34:37,130 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:34:37,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:34:37,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:37,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:34:37,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:34:37,143 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:34:37,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a38ae490-d14f-41ca-a6b9-9f381a4abec7/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process