./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_10_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL --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 74fc76331e93b7cf9a1f3d8b0dd7e4bbaf91830d3621c225e9d08f93b4a5eb9a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:01:46,842 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:01:46,961 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:01:46,966 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:01:46,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:01:46,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:01:46,997 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:01:46,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:01:46,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:01:46,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:01:47,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:01:47,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:01:47,001 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:01:47,002 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:01:47,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:01:47,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:01:47,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:01:47,004 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:01:47,005 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:01:47,006 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:01:47,006 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:01:47,007 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:01:47,008 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:01:47,009 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:01:47,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:01:47,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:47,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:01:47,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:01:47,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:01:47,013 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:01:47,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:01:47,014 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:01:47,014 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_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74fc76331e93b7cf9a1f3d8b0dd7e4bbaf91830d3621c225e9d08f93b4a5eb9a [2023-11-19 03:01:47,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:01:47,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:01:47,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:01:47,363 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:01:47,364 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:01:47,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_10_bad.i [2023-11-19 03:01:50,852 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:01:51,312 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:01:51,313 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_10_bad.i [2023-11-19 03:01:51,355 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/data/dc3d25c6a/c28df9a652f94372b9384ce44bb8112f/FLAG3e93fcd7b [2023-11-19 03:01:51,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/data/dc3d25c6a/c28df9a652f94372b9384ce44bb8112f [2023-11-19 03:01:51,389 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:01:51,393 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:01:51,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:51,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:01:51,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:01:51,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:51" (1/1) ... [2023-11-19 03:01:51,405 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e61d42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:51, skipping insertion in model container [2023-11-19 03:01:51,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:01:51" (1/1) ... [2023-11-19 03:01:51,518 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:01:52,073 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:01:53,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:53,514 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:01:53,552 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:01:53,723 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:01:54,027 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:01:54,028 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:01:54,028 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:01:54,028 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:01:54,028 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:01:54,028 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:01:54,034 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:01:54,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:54 WrapperNode [2023-11-19 03:01:54,035 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:01:54,036 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:54,036 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:01:54,037 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:01:54,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:54" (1/1) ... [2023-11-19 03:01:54,080 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:54" (1/1) ... [2023-11-19 03:01:54,112 INFO L138 Inliner]: procedures = 938, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2023-11-19 03:01:54,112 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:01:54,113 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:01:54,113 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:01:54,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:01:54,125 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:54" (1/1) ... [2023-11-19 03:01:54,125 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:54" (1/1) ... [2023-11-19 03:01:54,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:54" (1/1) ... [2023-11-19 03:01:54,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:54" (1/1) ... [2023-11-19 03:01:54,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:54" (1/1) ... [2023-11-19 03:01:54,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:54" (1/1) ... [2023-11-19 03:01:54,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:54" (1/1) ... [2023-11-19 03:01:54,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:54" (1/1) ... [2023-11-19 03:01:54,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:01:54,147 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:01:54,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:01:54,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:01:54,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:01:54" (1/1) ... [2023-11-19 03:01:54,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:01:54,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:01:54,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:01:54,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:01:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:01:54,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:01:54,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:01:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:01:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:01:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:01:54,233 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:01:54,234 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:01:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:01:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:01:54,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:01:54,427 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:01:54,429 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:01:54,545 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:01:54,583 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:01:54,584 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:01:54,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:54 BoogieIcfgContainer [2023-11-19 03:01:54,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:01:54,592 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:01:54,592 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:01:54,602 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:01:54,603 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:01:54" (1/1) ... [2023-11-19 03:01:54,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:01:54,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:54,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 03:01:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 03:01:54,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:01:54,677 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:54,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:54,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:54,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:54,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-19 03:01:54,925 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-19 03:01:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:01:54,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:54,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:01:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:01:55,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:01:55,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:01:55,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:01:55,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:01:55,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 25 transitions. [2023-11-19 03:01:55,129 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-11-19 03:01:55,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:01:55,131 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:01:55,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:02:05,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-19 03:02:05,250 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) [2023-11-19 03:02:05,254 INFO L158 Benchmark]: Toolchain (without parser) took 13859.89ms. Allocated memory was 125.8MB in the beginning and 188.7MB in the end (delta: 62.9MB). Free memory was 76.1MB in the beginning and 141.3MB in the end (delta: -65.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:05,254 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 125.8MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:05,255 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2639.01ms. Allocated memory was 125.8MB in the beginning and 188.7MB in the end (delta: 62.9MB). Free memory was 76.1MB in the beginning and 115.5MB in the end (delta: -39.4MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. [2023-11-19 03:02:05,255 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.40ms. Allocated memory is still 188.7MB. Free memory was 115.5MB in the beginning and 111.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:02:05,256 INFO L158 Benchmark]: Boogie Preprocessor took 32.62ms. Allocated memory is still 188.7MB. Free memory was 111.3MB in the beginning and 110.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:02:05,257 INFO L158 Benchmark]: RCFGBuilder took 444.43ms. Allocated memory is still 188.7MB. Free memory was 110.2MB in the beginning and 94.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:02:05,257 INFO L158 Benchmark]: CodeCheck took 10660.30ms. Allocated memory is still 188.7MB. Free memory was 94.5MB in the beginning and 141.3MB in the end (delta: -46.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:02:05,261 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 0.37ms. Allocated memory is still 125.8MB. Free memory is still 95.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2639.01ms. Allocated memory was 125.8MB in the beginning and 188.7MB in the end (delta: 62.9MB). Free memory was 76.1MB in the beginning and 115.5MB in the end (delta: -39.4MB). Peak memory consumption was 59.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.40ms. Allocated memory is still 188.7MB. Free memory was 115.5MB in the beginning and 111.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.62ms. Allocated memory is still 188.7MB. Free memory was 111.3MB in the beginning and 110.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 444.43ms. Allocated memory is still 188.7MB. Free memory was 110.2MB in the beginning and 94.5MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10660.30ms. Allocated memory is still 188.7MB. Free memory was 94.5MB in the beginning and 141.3MB in the end (delta: -46.8MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-19 03:02:05,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_10_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL --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 74fc76331e93b7cf9a1f3d8b0dd7e4bbaf91830d3621c225e9d08f93b4a5eb9a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:02:08,018 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:02:08,145 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:02:08,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:02:08,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:02:08,203 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:02:08,204 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:02:08,204 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:02:08,205 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:02:08,210 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:02:08,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:02:08,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:02:08,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:02:08,213 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:02:08,214 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:02:08,214 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:02:08,215 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:02:08,215 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:02:08,215 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:02:08,216 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:02:08,216 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:02:08,217 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:02:08,218 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:02:08,218 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:02:08,218 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:02:08,219 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:02:08,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:02:08,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:08,220 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:02:08,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:02:08,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:02:08,222 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:02:08,222 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:02:08,223 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:02:08,223 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:02:08,223 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:02:08,224 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_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 74fc76331e93b7cf9a1f3d8b0dd7e4bbaf91830d3621c225e9d08f93b4a5eb9a [2023-11-19 03:02:08,635 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:02:08,660 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:02:08,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:02:08,665 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:02:08,665 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:02:08,667 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_10_bad.i [2023-11-19 03:02:11,903 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:02:12,363 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:02:12,364 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_10_bad.i [2023-11-19 03:02:12,400 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/data/3124bdc9c/fbf5b580782e49cebbfafae578b4f764/FLAGeda2302e4 [2023-11-19 03:02:12,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/data/3124bdc9c/fbf5b580782e49cebbfafae578b4f764 [2023-11-19 03:02:12,423 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:02:12,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:02:12,426 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:12,426 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:02:12,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:02:12,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:12" (1/1) ... [2023-11-19 03:02:12,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea51cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:12, skipping insertion in model container [2023-11-19 03:02:12,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:02:12" (1/1) ... [2023-11-19 03:02:12,520 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:02:13,106 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:02:14,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:14,420 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:02:14,452 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:02:14,529 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:02:14,778 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:14,779 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:14,779 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:14,779 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:14,779 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:14,779 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:02:14,786 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:02:14,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:14 WrapperNode [2023-11-19 03:02:14,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:02:14,788 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:14,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:02:14,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:02:14,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:14" (1/1) ... [2023-11-19 03:02:14,839 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:14" (1/1) ... [2023-11-19 03:02:14,886 INFO L138 Inliner]: procedures = 943, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2023-11-19 03:02:14,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:02:14,887 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:02:14,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:02:14,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:02:14,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:14" (1/1) ... [2023-11-19 03:02:14,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:14" (1/1) ... [2023-11-19 03:02:14,908 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:14" (1/1) ... [2023-11-19 03:02:14,909 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:14" (1/1) ... [2023-11-19 03:02:14,928 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:14" (1/1) ... [2023-11-19 03:02:14,931 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:14" (1/1) ... [2023-11-19 03:02:14,934 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:14" (1/1) ... [2023-11-19 03:02:14,949 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:14" (1/1) ... [2023-11-19 03:02:14,954 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:02:14,955 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:02:14,958 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:02:14,958 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:02:14,959 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:02:14" (1/1) ... [2023-11-19 03:02:14,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:02:14,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:02:15,001 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:02:15,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:02:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:02:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:02:15,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:02:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:02:15,046 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:02:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:02:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:02:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:02:15,047 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:02:15,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:02:15,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:02:15,250 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:02:15,254 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:02:18,537 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:02:18,607 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:02:18,607 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:02:18,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:18 BoogieIcfgContainer [2023-11-19 03:02:18,612 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:02:18,614 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:02:18,614 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:02:18,625 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:02:18,625 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:02:18" (1/1) ... [2023-11-19 03:02:18,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:02:18,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:18,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-19 03:02:18,715 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-19 03:02:18,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:02:18,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:18,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:02:18,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:02:18,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:02:18,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:02:18,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:18,887 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:02:18,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:02:18,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:02:18,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:02:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:02:18,988 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 03:02:19,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:02:19,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 03:02:19,039 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 03:02:19,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:02:19,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:02:19,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:02:19,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:02:19,044 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:02:19,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fc72d2e9-4926-4b43-b9af-c0279e818adf/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process