./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV --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 6881ecdf040849b2aabb02c656e98e9280634cdf09df5b27395511b33bbd641c --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:44:10,787 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:44:10,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:44:10,970 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:44:10,971 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:44:11,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:44:11,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:44:11,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:44:11,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:44:11,033 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:44:11,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:44:11,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:44:11,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:44:11,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:44:11,038 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:44:11,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:44:11,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:44:11,040 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:44:11,041 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:44:11,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:44:11,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:44:11,042 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:44:11,043 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:44:11,044 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:44:11,045 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:11,047 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:44:11,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:44:11,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:44:11,049 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:44:11,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:44:11,051 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:44:11,052 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_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6881ecdf040849b2aabb02c656e98e9280634cdf09df5b27395511b33bbd641c [2023-11-11 23:44:11,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:44:11,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:44:11,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:44:11,559 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:44:11,560 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:44:11,562 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_10_good.i [2023-11-11 23:44:15,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:44:16,218 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:44:16,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_10_good.i [2023-11-11 23:44:16,264 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/data/90109f3df/12d5b2eb2c2c4f53aa5765429e7f1b22/FLAGf7dbb0d35 [2023-11-11 23:44:16,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/data/90109f3df/12d5b2eb2c2c4f53aa5765429e7f1b22 [2023-11-11 23:44:16,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:44:16,302 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:44:16,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:16,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:44:16,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:44:16,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:16" (1/1) ... [2023-11-11 23:44:16,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@744d80a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:16, skipping insertion in model container [2023-11-11 23:44:16,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:16" (1/1) ... [2023-11-11 23:44:16,395 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:44:16,856 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:44:17,718 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:17,739 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:44:17,765 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:44:17,854 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:18,181 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:18,181 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:18,182 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:18,182 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:18,182 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:18,183 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:18,192 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:44:18,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:18 WrapperNode [2023-11-11 23:44:18,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:18,196 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:18,196 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:44:18,196 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:44:18,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:18" (1/1) ... [2023-11-11 23:44:18,278 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:18" (1/1) ... [2023-11-11 23:44:18,335 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2023-11-11 23:44:18,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:18,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:44:18,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:44:18,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:44:18,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:18" (1/1) ... [2023-11-11 23:44:18,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:18" (1/1) ... [2023-11-11 23:44:18,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:18" (1/1) ... [2023-11-11 23:44:18,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:18" (1/1) ... [2023-11-11 23:44:18,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:18" (1/1) ... [2023-11-11 23:44:18,369 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:18" (1/1) ... [2023-11-11 23:44:18,372 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:18" (1/1) ... [2023-11-11 23:44:18,375 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:18" (1/1) ... [2023-11-11 23:44:18,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:44:18,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:44:18,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:44:18,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:44:18,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:18" (1/1) ... [2023-11-11 23:44:18,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:18,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:44:18,429 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:44:18,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:44:18,489 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:44:18,490 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:44:18,490 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:44:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:44:18,491 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:44:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:44:18,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:44:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:44:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:44:18,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:44:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:44:18,492 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:44:18,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:44:18,771 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:44:18,774 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:44:19,181 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:44:19,227 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:44:19,227 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:44:19,231 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:19 BoogieIcfgContainer [2023-11-11 23:44:19,231 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:44:19,233 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:44:19,233 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:44:19,248 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:44:19,248 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:19" (1/1) ... [2023-11-11 23:44:19,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:44:19,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:19,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2023-11-11 23:44:19,370 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-11 23:44:19,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:44:19,377 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:19,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:19,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:19,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:19,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:19,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 76 transitions. [2023-11-11 23:44:19,800 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-11 23:44:19,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:44:19,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:19,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:19,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:19,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 56 states and 75 transitions. [2023-11-11 23:44:19,951 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2023-11-11 23:44:19,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:44:19,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:19,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:20,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:20,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:20,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 82 transitions. [2023-11-11 23:44:20,171 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-11 23:44:20,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:44:20,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:20,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:20,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:20,300 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:20,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:20,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 74 transitions. [2023-11-11 23:44:20,424 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-11 23:44:20,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:44:20,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:20,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:20,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:21,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:21,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 57 states and 76 transitions. [2023-11-11 23:44:21,033 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-11 23:44:21,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:44:21,035 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:21,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:21,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:21,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:21,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 63 states and 86 transitions. [2023-11-11 23:44:21,649 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2023-11-11 23:44:21,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:44:21,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:21,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:21,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:21,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 80 transitions. [2023-11-11 23:44:21,735 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-11 23:44:21,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:44:21,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:21,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:21,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:21,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:21,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 79 transitions. [2023-11-11 23:44:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2023-11-11 23:44:21,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:44:21,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:21,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:22,095 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:22,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:22,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 87 transitions. [2023-11-11 23:44:22,232 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-11-11 23:44:22,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:44:22,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:22,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:22,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:22,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:22,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 84 transitions. [2023-11-11 23:44:22,577 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-11-11 23:44:22,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:44:22,579 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:22,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:22,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:22,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:22,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 67 states and 88 transitions. [2023-11-11 23:44:22,804 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-11 23:44:22,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:44:22,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:22,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:22,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:23,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:23,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 90 transitions. [2023-11-11 23:44:23,006 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2023-11-11 23:44:23,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:44:23,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:23,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:23,109 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:23,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:23,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 68 states and 88 transitions. [2023-11-11 23:44:23,310 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-11 23:44:23,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:44:23,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:23,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:23,370 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:23,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:23,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 67 states and 86 transitions. [2023-11-11 23:44:23,456 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2023-11-11 23:44:23,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:44:23,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:23,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:23,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:23,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:23,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 52 states and 67 transitions. [2023-11-11 23:44:23,575 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-11 23:44:23,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:44:23,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:23,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:23,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:23,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:23,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 54 states and 71 transitions. [2023-11-11 23:44:23,778 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-11 23:44:23,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:44:23,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:23,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:23,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:24,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 57 states and 76 transitions. [2023-11-11 23:44:24,072 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-11 23:44:24,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:44:24,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:24,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:24,154 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:44:25,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:25,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 66 states and 90 transitions. [2023-11-11 23:44:25,071 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2023-11-11 23:44:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:44:25,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:25,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:25,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:25,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:25,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 69 states and 94 transitions. [2023-11-11 23:44:25,596 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-11-11 23:44:25,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:44:25,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:25,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:25,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:25,694 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:44:26,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:26,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 72 states and 98 transitions. [2023-11-11 23:44:26,086 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2023-11-11 23:44:26,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:44:26,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:26,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:26,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:26,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:26,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 65 states and 86 transitions. [2023-11-11 23:44:26,441 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2023-11-11 23:44:26,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:44:26,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:26,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:26,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:44:26,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 69 states and 92 transitions. [2023-11-11 23:44:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2023-11-11 23:44:26,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:44:26,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:26,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:26,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:27,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 73 states and 96 transitions. [2023-11-11 23:44:27,084 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-11-11 23:44:27,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:44:27,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:27,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:27,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:27,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:27,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 76 states and 102 transitions. [2023-11-11 23:44:27,625 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2023-11-11 23:44:27,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:44:27,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:27,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:27,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:27,730 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:44:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 48 states and 60 transitions. [2023-11-11 23:44:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-11 23:44:28,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:44:28,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:28,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:28,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:44:28,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:28,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 47 states and 59 transitions. [2023-11-11 23:44:28,665 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-11 23:44:28,666 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:44:28,666 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-11-11 23:44:28,677 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-11 23:44:29,108 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:44:29,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:44:29 ImpRootNode [2023-11-11 23:44:29,114 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:44:29,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:44:29,115 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:44:29,115 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:44:29,116 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:19" (3/4) ... [2023-11-11 23:44:29,118 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:44:29,123 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:44:29,123 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:44:29,131 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-11 23:44:29,132 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-11 23:44:29,132 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-11 23:44:29,133 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:44:29,133 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:44:29,294 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:44:29,295 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:44:29,295 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:44:29,296 INFO L158 Benchmark]: Toolchain (without parser) took 12993.51ms. Allocated memory was 144.7MB in the beginning and 249.6MB in the end (delta: 104.9MB). Free memory was 95.5MB in the beginning and 84.2MB in the end (delta: 11.4MB). Peak memory consumption was 119.4MB. Max. memory is 16.1GB. [2023-11-11 23:44:29,296 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 144.7MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:44:29,297 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1887.60ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 95.0MB in the beginning and 157.6MB in the end (delta: -62.6MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2023-11-11 23:44:29,297 INFO L158 Benchmark]: Boogie Procedure Inliner took 141.00ms. Allocated memory is still 207.6MB. Free memory was 157.6MB in the beginning and 154.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:44:29,297 INFO L158 Benchmark]: Boogie Preprocessor took 42.54ms. Allocated memory is still 207.6MB. Free memory was 154.3MB in the beginning and 152.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:44:29,298 INFO L158 Benchmark]: RCFGBuilder took 851.04ms. Allocated memory is still 207.6MB. Free memory was 152.3MB in the beginning and 133.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:44:29,298 INFO L158 Benchmark]: CodeCheck took 9881.29ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 133.4MB in the beginning and 89.3MB in the end (delta: 44.1MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. [2023-11-11 23:44:29,299 INFO L158 Benchmark]: Witness Printer took 180.28ms. Allocated memory is still 249.6MB. Free memory was 89.3MB in the beginning and 84.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:44:29,302 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4182 SdHoareTripleChecker+Valid, 9.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1749 mSDsluCounter, 3768 SdHoareTripleChecker+Invalid, 8.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1494 mSDsCounter, 1058 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4501 IncrementalHoareTripleChecker+Invalid, 5559 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1058 mSolverCounterUnsat, 2274 mSDtfsCounter, 4501 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6196 GetRequests, 6040 SyntacticMatches, 14 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9624 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 624 NumberOfCodeBlocks, 624 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 598 ConstructedInterpolants, 0 QuantifiedInterpolants, 1276 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1662]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 144.7MB. Free memory is still 116.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1887.60ms. Allocated memory was 144.7MB in the beginning and 207.6MB in the end (delta: 62.9MB). Free memory was 95.0MB in the beginning and 157.6MB in the end (delta: -62.6MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 141.00ms. Allocated memory is still 207.6MB. Free memory was 157.6MB in the beginning and 154.3MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.54ms. Allocated memory is still 207.6MB. Free memory was 154.3MB in the beginning and 152.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 851.04ms. Allocated memory is still 207.6MB. Free memory was 152.3MB in the beginning and 133.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 9881.29ms. Allocated memory was 207.6MB in the beginning and 249.6MB in the end (delta: 41.9MB). Free memory was 133.4MB in the beginning and 89.3MB in the end (delta: 44.1MB). Peak memory consumption was 87.0MB. Max. memory is 16.1GB. * Witness Printer took 180.28ms. Allocated memory is still 249.6MB. Free memory was 89.3MB in the beginning and 84.2MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:44:29,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ba03d5-a168-4068-bc86-5693bae94b4d/bin/ukojak-verify-0OAaufAVZV/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 Writing output log to file Ultimate.log Result: TRUE