./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 30e01a73 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_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/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_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3fc10838748dc3e62cae4b1741157f52b48b48e98955275eb5a68564e792252f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:55:59,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:55:59,947 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 19:55:59,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 19:55:59,958 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 19:56:00,005 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:56:00,007 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:56:00,007 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:56:00,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:56:00,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:56:00,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:56:00,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:56:00,015 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 19:56:00,017 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:56:00,017 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:56:00,018 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:56:00,018 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:56:00,019 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:56:00,019 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:56:00,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:56:00,020 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:56:00,021 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:56:00,021 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:56:00,022 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:56:00,022 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:56:00,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:00,023 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:56:00,023 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:56:00,024 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:56:00,024 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 19:56:00,026 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 19:56:00,026 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:56:00,026 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_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fc10838748dc3e62cae4b1741157f52b48b48e98955275eb5a68564e792252f [2023-11-23 19:56:00,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:56:00,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:56:00,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:56:00,378 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:56:00,379 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:56:00,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_44_bad.i [2023-11-23 19:56:03,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:56:03,829 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:56:03,830 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_44_bad.i [2023-11-23 19:56:03,870 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/data/b1656b112/9ebe1e7fd1b64f61bc5c248277704614/FLAG492e9a3db [2023-11-23 19:56:03,886 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/data/b1656b112/9ebe1e7fd1b64f61bc5c248277704614 [2023-11-23 19:56:03,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:56:03,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:56:03,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:03,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:56:03,903 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:56:03,904 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:03" (1/1) ... [2023-11-23 19:56:03,905 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@234fcc1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:03, skipping insertion in model container [2023-11-23 19:56:03,906 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:03" (1/1) ... [2023-11-23 19:56:03,998 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:56:04,535 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:56:05,668 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:05,680 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:56:05,703 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:56:05,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:06,189 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:06,189 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:06,190 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:06,190 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:06,190 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:06,190 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:06,190 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:06,197 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:56:06,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:06 WrapperNode [2023-11-23 19:56:06,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:06,199 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:06,200 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:56:06,200 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:56:06,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:06" (1/1) ... [2023-11-23 19:56:06,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:06" (1/1) ... [2023-11-23 19:56:06,288 INFO L138 Inliner]: procedures = 940, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 57 [2023-11-23 19:56:06,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:06,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:56:06,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:56:06,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:56:06,305 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:06" (1/1) ... [2023-11-23 19:56:06,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:06" (1/1) ... [2023-11-23 19:56:06,313 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:06" (1/1) ... [2023-11-23 19:56:06,313 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:06" (1/1) ... [2023-11-23 19:56:06,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:06" (1/1) ... [2023-11-23 19:56:06,323 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:06" (1/1) ... [2023-11-23 19:56:06,327 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:06" (1/1) ... [2023-11-23 19:56:06,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:06" (1/1) ... [2023-11-23 19:56:06,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:56:06,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:56:06,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:56:06,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:56:06,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:06" (1/1) ... [2023-11-23 19:56:06,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:06,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:56:06,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:56:06,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:56:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:56:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:56:06,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:56:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 19:56:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 19:56:06,413 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 19:56:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 19:56:06,414 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 19:56:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 19:56:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 19:56:06,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 19:56:06,599 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:56:06,601 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:56:06,758 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:56:06,805 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:56:06,806 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 19:56:06,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:06 BoogieIcfgContainer [2023-11-23 19:56:06,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:56:06,808 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:56:06,809 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:56:06,831 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:56:06,831 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:06" (1/1) ... [2023-11-23 19:56:06,839 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:56:06,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:06,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 19:56:06,898 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 19:56:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 19:56:06,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:06,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 19:56:07,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 19:56:07,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-23 19:56:07,222 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-23 19:56:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 19:56:07,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:07,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 19:56:17,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-23 19:56:17,334 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-23 19:56:17,339 INFO L158 Benchmark]: Toolchain (without parser) took 13441.95ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 117.4MB in the beginning and 91.3MB in the end (delta: 26.2MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2023-11-23 19:56:17,339 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 125.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 19:56:17,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2300.92ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 117.4MB in the beginning and 133.2MB in the end (delta: -15.8MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. [2023-11-23 19:56:17,341 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.19ms. Allocated memory is still 195.0MB. Free memory was 133.2MB in the beginning and 129.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 19:56:17,345 INFO L158 Benchmark]: Boogie Preprocessor took 44.07ms. Allocated memory is still 195.0MB. Free memory was 129.0MB in the beginning and 128.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 19:56:17,346 INFO L158 Benchmark]: RCFGBuilder took 473.65ms. Allocated memory is still 195.0MB. Free memory was 126.9MB in the beginning and 111.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 19:56:17,347 INFO L158 Benchmark]: CodeCheck took 10528.76ms. Allocated memory is still 195.0MB. Free memory was 111.2MB in the beginning and 91.3MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 19:56:17,351 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 0.24ms. Allocated memory is still 125.8MB. Free memory is still 98.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2300.92ms. Allocated memory was 151.0MB in the beginning and 195.0MB in the end (delta: 44.0MB). Free memory was 117.4MB in the beginning and 133.2MB in the end (delta: -15.8MB). Peak memory consumption was 69.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.19ms. Allocated memory is still 195.0MB. Free memory was 133.2MB in the beginning and 129.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.07ms. Allocated memory is still 195.0MB. Free memory was 129.0MB in the beginning and 128.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 473.65ms. Allocated memory is still 195.0MB. Free memory was 126.9MB in the beginning and 111.2MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10528.76ms. Allocated memory is still 195.0MB. Free memory was 111.2MB in the beginning and 91.3MB 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. [2023-11-23 19:56:17,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/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_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3fc10838748dc3e62cae4b1741157f52b48b48e98955275eb5a68564e792252f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 19:56:20,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 19:56:20,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 19:56:20,399 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 19:56:20,400 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 19:56:20,401 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 19:56:20,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 19:56:20,403 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 19:56:20,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 19:56:20,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 19:56:20,411 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 19:56:20,411 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 19:56:20,412 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 19:56:20,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 19:56:20,415 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 19:56:20,415 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 19:56:20,416 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 19:56:20,416 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 19:56:20,417 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 19:56:20,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 19:56:20,418 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 19:56:20,419 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 19:56:20,419 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 19:56:20,420 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 19:56:20,420 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 19:56:20,421 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 19:56:20,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 19:56:20,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:20,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 19:56:20,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 19:56:20,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 19:56:20,425 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 19:56:20,425 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 19:56:20,426 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 19:56:20,426 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 19:56:20,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 19:56:20,427 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_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fc10838748dc3e62cae4b1741157f52b48b48e98955275eb5a68564e792252f [2023-11-23 19:56:20,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 19:56:20,888 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 19:56:20,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 19:56:20,893 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 19:56:20,897 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 19:56:20,899 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_44_bad.i [2023-11-23 19:56:24,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 19:56:24,869 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 19:56:24,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_44_bad.i [2023-11-23 19:56:24,909 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/data/7db380f1c/cf7e55ffc3234d698f6b7b539272a09d/FLAG5c51626b7 [2023-11-23 19:56:24,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/data/7db380f1c/cf7e55ffc3234d698f6b7b539272a09d [2023-11-23 19:56:24,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 19:56:24,936 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 19:56:24,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:24,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 19:56:24,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 19:56:24,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:24" (1/1) ... [2023-11-23 19:56:24,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c9d737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:24, skipping insertion in model container [2023-11-23 19:56:24,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:24" (1/1) ... [2023-11-23 19:56:25,070 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 19:56:25,666 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:56:26,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:26,793 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 19:56:26,816 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 19:56:26,929 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 19:56:27,429 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:27,430 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:27,430 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:27,430 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:27,430 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:27,430 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:27,430 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 19:56:27,438 INFO L206 MainTranslator]: Completed translation [2023-11-23 19:56:27,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27 WrapperNode [2023-11-23 19:56:27,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 19:56:27,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:27,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 19:56:27,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 19:56:27,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2023-11-23 19:56:27,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2023-11-23 19:56:27,566 INFO L138 Inliner]: procedures = 945, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 56 [2023-11-23 19:56:27,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 19:56:27,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 19:56:27,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 19:56:27,568 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 19:56:27,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2023-11-23 19:56:27,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2023-11-23 19:56:27,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2023-11-23 19:56:27,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2023-11-23 19:56:27,617 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2023-11-23 19:56:27,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2023-11-23 19:56:27,623 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2023-11-23 19:56:27,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2023-11-23 19:56:27,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 19:56:27,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 19:56:27,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 19:56:27,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 19:56:27,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:27" (1/1) ... [2023-11-23 19:56:27,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 19:56:27,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 19:56:27,683 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 19:56:27,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 19:56:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 19:56:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 19:56:27,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 19:56:27,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 19:56:27,733 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 19:56:27,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 19:56:27,733 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 19:56:27,733 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 19:56:27,733 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 19:56:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 19:56:27,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 19:56:27,988 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 19:56:27,991 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 19:56:32,760 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 19:56:32,840 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 19:56:32,841 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 19:56:32,843 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:32 BoogieIcfgContainer [2023-11-23 19:56:32,843 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 19:56:32,844 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 19:56:32,845 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 19:56:32,856 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 19:56:32,857 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:32" (1/1) ... [2023-11-23 19:56:32,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 19:56:32,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 19:56:32,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-23 19:56:32,942 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-23 19:56:32,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 19:56:32,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 19:56:32,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 19:56:32,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 19:56:32,950 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 19:56:32,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f90030d0-2e54-40f1-9be1-678ba516fd6c/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process