./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_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_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/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_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/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_2c8d2c18-e102-4a30-8514-71ff7e712e8f/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 bde35519349d7c5ad96c6c4f64cc23cbdee5702940663566e54ee232d1d054d9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:26:44,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:26:44,487 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:26:44,492 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:26:44,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:26:44,521 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:26:44,522 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:26:44,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:26:44,523 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:26:44,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:26:44,524 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:26:44,525 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:26:44,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:26:44,526 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:26:44,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:26:44,527 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:26:44,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:26:44,529 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:26:44,529 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:26:44,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:26:44,530 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:26:44,533 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:26:44,534 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:26:44,534 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:26:44,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:26:44,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:44,536 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:26:44,536 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:26:44,536 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:26:44,537 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:26:44,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:26:44,538 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:26:44,539 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_2c8d2c18-e102-4a30-8514-71ff7e712e8f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bde35519349d7c5ad96c6c4f64cc23cbdee5702940663566e54ee232d1d054d9 [2023-11-21 18:26:44,878 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:26:44,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:26:44,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:26:44,920 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:26:44,920 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:26:44,922 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_bad.i [2023-11-21 18:26:48,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:26:48,485 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:26:48,486 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_bad.i [2023-11-21 18:26:48,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/data/4fae653af/acb99a6ff27f4f0a81d4d9d3bdfa344c/FLAG956bbdbc4 [2023-11-21 18:26:48,529 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/data/4fae653af/acb99a6ff27f4f0a81d4d9d3bdfa344c [2023-11-21 18:26:48,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:26:48,538 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:26:48,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:48,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:26:48,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:26:48,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:48,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20683cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:48, skipping insertion in model container [2023-11-21 18:26:48,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:26:48" (1/1) ... [2023-11-21 18:26:48,643 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:26:49,155 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:26:50,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:50,698 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:26:50,736 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:26:50,834 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:26:51,179 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:51,180 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:51,180 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:51,180 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:51,180 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:51,180 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:26:51,188 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:26:51,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51 WrapperNode [2023-11-21 18:26:51,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:26:51,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:51,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:26:51,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:26:51,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,263 INFO L138 Inliner]: procedures = 938, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 51 [2023-11-21 18:26:51,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:26:51,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:26:51,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:26:51,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:26:51,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,275 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,279 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,279 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,288 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,297 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:26:51,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:26:51,308 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:26:51,308 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:26:51,309 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:51,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:26:51,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:26:51,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:26:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:26:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:26:51,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:26:51,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:26:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:26:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:26:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:26:51,399 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:26:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:26:51,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:26:51,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:26:51,588 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:26:51,590 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:26:51,704 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:26:51,738 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:26:51,738 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:26:51,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:51 BoogieIcfgContainer [2023-11-21 18:26:51,748 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:26:51,749 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:26:51,749 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:26:51,759 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:26:51,760 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:26:51" (1/1) ... [2023-11-21 18:26:51,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:26:51,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:26:51,847 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:26:51,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:26:51,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:51,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:26:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:26:52,139 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 18:26:52,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:26:52,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-21 18:26:52,174 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-21 18:26:52,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:26:52,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:26:52,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-21 18:27:02,263 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 18:27:02,266 INFO L158 Benchmark]: Toolchain (without parser) took 13727.60ms. Allocated memory was 140.5MB in the beginning and 207.6MB in the end (delta: 67.1MB). Free memory was 88.4MB in the beginning and 113.5MB in the end (delta: -25.0MB). Peak memory consumption was 43.9MB. Max. memory is 16.1GB. [2023-11-21 18:27:02,267 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 140.5MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:02,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2647.98ms. Allocated memory was 140.5MB in the beginning and 207.6MB in the end (delta: 67.1MB). Free memory was 88.4MB in the beginning and 154.4MB in the end (delta: -65.9MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:02,269 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.77ms. Allocated memory is still 207.6MB. Free memory was 154.4MB in the beginning and 150.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:27:02,269 INFO L158 Benchmark]: Boogie Preprocessor took 39.70ms. Allocated memory is still 207.6MB. Free memory was 150.2MB in the beginning and 149.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:02,270 INFO L158 Benchmark]: RCFGBuilder took 440.38ms. Allocated memory is still 207.6MB. Free memory was 149.1MB in the beginning and 132.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:27:02,272 INFO L158 Benchmark]: CodeCheck took 10516.29ms. Allocated memory is still 207.6MB. Free memory was 132.3MB in the beginning and 113.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:27:02,280 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 0.36ms. Allocated memory is still 140.5MB. Free memory is still 110.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2647.98ms. Allocated memory was 140.5MB in the beginning and 207.6MB in the end (delta: 67.1MB). Free memory was 88.4MB in the beginning and 154.4MB in the end (delta: -65.9MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.77ms. Allocated memory is still 207.6MB. Free memory was 154.4MB in the beginning and 150.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.70ms. Allocated memory is still 207.6MB. Free memory was 150.2MB in the beginning and 149.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.38ms. Allocated memory is still 207.6MB. Free memory was 149.1MB in the beginning and 132.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 10516.29ms. Allocated memory is still 207.6MB. Free memory was 132.3MB in the beginning and 113.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:27:02,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/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_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/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_2c8d2c18-e102-4a30-8514-71ff7e712e8f/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 bde35519349d7c5ad96c6c4f64cc23cbdee5702940663566e54ee232d1d054d9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:27:05,119 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:27:05,207 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:27:05,244 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:27:05,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:27:05,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:27:05,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:27:05,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:27:05,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:27:05,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:27:05,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:27:05,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:27:05,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:27:05,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:27:05,254 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:27:05,255 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:27:05,255 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:27:05,261 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:27:05,262 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:27:05,262 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:27:05,263 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:27:05,265 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:27:05,266 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:27:05,266 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:27:05,267 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:27:05,267 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:27:05,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:27:05,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:05,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:27:05,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:27:05,270 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:27:05,270 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:27:05,270 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:27:05,271 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:27:05,271 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:27:05,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:27:05,272 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_2c8d2c18-e102-4a30-8514-71ff7e712e8f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bde35519349d7c5ad96c6c4f64cc23cbdee5702940663566e54ee232d1d054d9 [2023-11-21 18:27:05,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:27:05,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:27:05,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:27:05,741 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:27:05,743 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:27:05,744 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_bad.i [2023-11-21 18:27:08,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:27:09,328 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:27:09,329 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_bad.i [2023-11-21 18:27:09,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/data/5a07c29c4/cb6bbcb3e81a4fe4989511933da249f4/FLAG397bb4617 [2023-11-21 18:27:09,404 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/data/5a07c29c4/cb6bbcb3e81a4fe4989511933da249f4 [2023-11-21 18:27:09,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:27:09,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:27:09,416 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:09,417 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:27:09,421 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:27:09,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:09" (1/1) ... [2023-11-21 18:27:09,423 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63450e0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:09, skipping insertion in model container [2023-11-21 18:27:09,423 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:09" (1/1) ... [2023-11-21 18:27:09,538 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:27:09,966 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:27:11,064 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:11,079 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:27:11,103 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:27:11,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:11,421 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:11,421 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:11,421 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:11,421 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:11,422 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:11,422 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:11,429 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:27:11,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:11 WrapperNode [2023-11-21 18:27:11,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:11,431 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:11,431 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:27:11,431 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:27:11,438 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:11" (1/1) ... [2023-11-21 18:27:11,510 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:11" (1/1) ... [2023-11-21 18:27:11,552 INFO L138 Inliner]: procedures = 943, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 50 [2023-11-21 18:27:11,552 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:11,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:27:11,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:27:11,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:27:11,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:11" (1/1) ... [2023-11-21 18:27:11,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:11" (1/1) ... [2023-11-21 18:27:11,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:11" (1/1) ... [2023-11-21 18:27:11,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:11" (1/1) ... [2023-11-21 18:27:11,580 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:11" (1/1) ... [2023-11-21 18:27:11,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:11" (1/1) ... [2023-11-21 18:27:11,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:11" (1/1) ... [2023-11-21 18:27:11,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:11" (1/1) ... [2023-11-21 18:27:11,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:27:11,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:27:11,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:27:11,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:27:11,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:11" (1/1) ... [2023-11-21 18:27:11,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:11,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:27:11,634 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:27:11,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:27:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:27:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:27:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:27:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:27:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:27:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 18:27:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:27:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:27:11,702 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:27:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:27:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:27:11,866 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:27:11,868 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:27:13,388 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:27:13,474 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:27:13,483 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:27:13,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:13 BoogieIcfgContainer [2023-11-21 18:27:13,485 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:27:13,486 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:27:13,487 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:27:13,499 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:27:13,500 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:13" (1/1) ... [2023-11-21 18:27:13,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:27:13,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:13,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:27:13,617 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:27:13,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:27:13,624 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:13,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:27:13,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:27:13,627 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:27:13,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c8d2c18-e102-4a30-8514-71ff7e712e8f/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process