./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/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_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/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_c4b87a06-c321-4890-9e15-b5ec1008f414/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 77b5d4de755eb8d0cce7767d6753758f2d206d2dc7dc2844dc4408dee17fa119 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:55:22,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:22,132 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:55:22,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:55:22,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:55:22,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:22,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:22,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:55:22,180 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:55:22,185 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:55:22,186 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:22,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:22,187 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:55:22,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:22,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:22,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:22,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:22,191 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:55:22,191 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:22,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:22,192 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:22,193 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:55:22,194 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:55:22,194 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:55:22,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:22,195 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:22,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:22,196 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:22,197 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:22,197 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:55:22,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:55:22,199 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:22,199 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_c4b87a06-c321-4890-9e15-b5ec1008f414/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77b5d4de755eb8d0cce7767d6753758f2d206d2dc7dc2844dc4408dee17fa119 [2023-11-21 18:55:22,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:22,585 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:22,588 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:22,589 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:22,590 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:22,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_bad.i [2023-11-21 18:55:25,659 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:55:26,196 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:55:26,197 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_bad.i [2023-11-21 18:55:26,237 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/data/f64cade18/a1cc32d011ab41488be509822659746c/FLAGc84d551ce [2023-11-21 18:55:26,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/data/f64cade18/a1cc32d011ab41488be509822659746c [2023-11-21 18:55:26,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:55:26,264 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:55:26,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:26,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:55:26,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:55:26,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:26" (1/1) ... [2023-11-21 18:55:26,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1ef0ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:26, skipping insertion in model container [2023-11-21 18:55:26,276 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:26" (1/1) ... [2023-11-21 18:55:26,369 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:26,965 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:55:28,261 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:28,281 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:55:28,328 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:55:28,422 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:28,895 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:28,896 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:28,896 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:28,896 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:28,896 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:28,896 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:28,902 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:55:28,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28 WrapperNode [2023-11-21 18:55:28,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:28,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:28,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:55:28,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:55:28,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:28,957 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:29,000 INFO L138 Inliner]: procedures = 938, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-11-21 18:55:29,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:29,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:55:29,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:55:29,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:55:29,014 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:29,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:29,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:29,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:29,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:29,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:29,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:29,052 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:29,055 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:55:29,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:55:29,057 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:55:29,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:55:29,072 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:28" (1/1) ... [2023-11-21 18:55:29,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:29,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:55:29,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:55:29,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:55:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:55:29,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:55:29,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:55:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:55:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:55:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:55:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:55:29,191 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:55:29,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:55:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:55:29,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:55:29,371 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:55:29,374 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:55:29,594 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:55:29,661 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:55:29,661 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:55:29,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:29 BoogieIcfgContainer [2023-11-21 18:55:29,663 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:55:29,664 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:55:29,664 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:55:29,679 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:55:29,680 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:29" (1/1) ... [2023-11-21 18:55:29,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:55:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:29,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:55:29,755 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:55:29,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:55:29,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:29,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:55:30,085 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 18:55:30,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:30,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-21 18:55:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-21 18:55:30,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:55:30,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:30,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:55:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-21 18:55:40,245 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 18:55:40,249 INFO L158 Benchmark]: Toolchain (without parser) took 13984.04ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 152.4MB in the beginning and 148.0MB in the end (delta: 4.4MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2023-11-21 18:55:40,249 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:55:40,250 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2635.19ms. Allocated memory is still 184.5MB. Free memory was 152.4MB in the beginning and 138.3MB in the end (delta: 14.1MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. [2023-11-21 18:55:40,251 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.31ms. Allocated memory is still 184.5MB. Free memory was 138.3MB in the beginning and 135.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:55:40,252 INFO L158 Benchmark]: Boogie Preprocessor took 51.59ms. Allocated memory is still 184.5MB. Free memory was 135.1MB in the beginning and 133.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:55:40,253 INFO L158 Benchmark]: RCFGBuilder took 607.11ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 133.0MB in the beginning and 167.9MB in the end (delta: -34.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:55:40,254 INFO L158 Benchmark]: CodeCheck took 10583.20ms. Allocated memory is still 222.3MB. Free memory was 167.9MB in the beginning and 148.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-21 18:55:40,257 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 0.29ms. Allocated memory is still 130.0MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2635.19ms. Allocated memory is still 184.5MB. Free memory was 152.4MB in the beginning and 138.3MB in the end (delta: 14.1MB). Peak memory consumption was 90.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.31ms. Allocated memory is still 184.5MB. Free memory was 138.3MB in the beginning and 135.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.59ms. Allocated memory is still 184.5MB. Free memory was 135.1MB in the beginning and 133.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 607.11ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 133.0MB in the beginning and 167.9MB in the end (delta: -34.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CodeCheck took 10583.20ms. Allocated memory is still 222.3MB. Free memory was 167.9MB in the beginning and 148.0MB 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 18:55:40,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/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_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/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_c4b87a06-c321-4890-9e15-b5ec1008f414/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 77b5d4de755eb8d0cce7767d6753758f2d206d2dc7dc2844dc4408dee17fa119 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:55:42,949 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:55:43,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:55:43,072 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:55:43,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:55:43,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:55:43,076 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:55:43,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:55:43,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:55:43,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:55:43,079 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:55:43,079 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:55:43,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:55:43,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:55:43,082 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:55:43,083 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:55:43,083 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:55:43,084 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:55:43,085 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:55:43,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:55:43,086 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:55:43,087 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:55:43,087 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:55:43,088 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:55:43,088 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:43,089 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:55:43,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:55:43,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:43,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:55:43,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:55:43,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:55:43,092 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:55:43,093 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:43,094 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:55:43,094 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:55:43,095 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:55:43,095 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_c4b87a06-c321-4890-9e15-b5ec1008f414/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77b5d4de755eb8d0cce7767d6753758f2d206d2dc7dc2844dc4408dee17fa119 [2023-11-21 18:55:43,501 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:55:43,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:55:43,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:55:43,542 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:55:43,543 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:55:43,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_bad.i [2023-11-21 18:55:46,676 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:55:47,230 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:55:47,231 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_18_bad.i [2023-11-21 18:55:47,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/data/fd91dd265/41f69618f07143568c330489bb39f517/FLAG2239b44a9 [2023-11-21 18:55:47,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/data/fd91dd265/41f69618f07143568c330489bb39f517 [2023-11-21 18:55:47,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:55:47,288 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:55:47,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:47,292 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:55:47,297 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:55:47,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:47" (1/1) ... [2023-11-21 18:55:47,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62bfb57e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:47, skipping insertion in model container [2023-11-21 18:55:47,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:55:47" (1/1) ... [2023-11-21 18:55:47,377 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:55:47,926 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:55:49,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:49,212 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:55:49,257 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:55:49,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:55:49,859 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:49,860 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:49,860 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:49,860 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:49,860 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:49,860 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:55:49,869 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:55:49,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49 WrapperNode [2023-11-21 18:55:49,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:55:49,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:49,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:55:49,871 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:55:49,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:49,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:49,963 INFO L138 Inliner]: procedures = 943, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-11-21 18:55:49,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:55:49,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:55:49,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:55:49,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:55:49,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:49,983 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:49,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:50,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:50,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:50,037 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:50,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:50,042 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:50,047 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:55:50,061 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:55:50,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:55:50,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:55:50,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:55:49" (1/1) ... [2023-11-21 18:55:50,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:55:50,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:55:50,109 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:55:50,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:55:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:55:50,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:55:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:55:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:55:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:55:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 18:55:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:55:50,150 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:55:50,150 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:55:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:55:50,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:55:50,347 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:55:50,350 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:55:53,693 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:55:53,739 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:55:53,740 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:55:53,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:53 BoogieIcfgContainer [2023-11-21 18:55:53,741 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:55:53,742 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:55:53,742 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:55:53,752 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:55:53,753 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:55:53" (1/1) ... [2023-11-21 18:55:53,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:55:53,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:55:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:55:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:55:53,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:55:53,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:55:53,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:55:53,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:55:53,827 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:55:53,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4b87a06-c321-4890-9e15-b5ec1008f414/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process