./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9ebcc10e113b212801227b23984bdca87bfc912ac5ffed74a2aba993d89701d0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:20:53,291 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:20:53,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:20:53,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:20:53,375 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:20:53,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:20:53,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:20:53,403 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:20:53,404 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:20:53,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:20:53,405 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:20:53,406 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:20:53,406 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:20:53,407 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:20:53,408 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:20:53,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:20:53,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:20:53,410 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:20:53,410 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:20:53,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:20:53,412 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:20:53,413 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:20:53,414 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:20:53,415 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:20:53,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:20:53,416 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:53,417 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:20:53,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:20:53,418 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:20:53,419 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:20:53,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:20:53,420 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:20:53,421 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_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9ebcc10e113b212801227b23984bdca87bfc912ac5ffed74a2aba993d89701d0 [2023-11-23 20:20:53,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:20:53,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:20:53,757 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:20:53,770 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:20:53,771 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:20:53,773 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_04_good.i [2023-11-23 20:20:56,912 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:20:57,371 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:20:57,373 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_04_good.i [2023-11-23 20:20:57,416 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/data/e3001133f/8090fe5f8c6d4011a8c81a6ec0264361/FLAGb9768cac3 [2023-11-23 20:20:57,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/data/e3001133f/8090fe5f8c6d4011a8c81a6ec0264361 [2023-11-23 20:20:57,448 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:20:57,451 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:20:57,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:57,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:20:57,460 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:20:57,463 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:57" (1/1) ... [2023-11-23 20:20:57,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27b69c0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:57, skipping insertion in model container [2023-11-23 20:20:57,466 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:20:57" (1/1) ... [2023-11-23 20:20:57,561 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:20:58,042 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:20:58,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:58,700 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:20:58,742 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:20:58,838 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:20:59,106 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:59,107 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:59,107 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:59,107 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:59,107 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:59,108 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:20:59,116 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:20:59,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:59 WrapperNode [2023-11-23 20:20:59,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:20:59,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:59,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:20:59,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:20:59,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:59" (1/1) ... [2023-11-23 20:20:59,186 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:59" (1/1) ... [2023-11-23 20:20:59,219 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 125 [2023-11-23 20:20:59,220 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:20:59,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:20:59,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:20:59,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:20:59,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:59" (1/1) ... [2023-11-23 20:20:59,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:59" (1/1) ... [2023-11-23 20:20:59,236 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:59" (1/1) ... [2023-11-23 20:20:59,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:59" (1/1) ... [2023-11-23 20:20:59,248 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:59" (1/1) ... [2023-11-23 20:20:59,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:59" (1/1) ... [2023-11-23 20:20:59,254 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:59" (1/1) ... [2023-11-23 20:20:59,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:59" (1/1) ... [2023-11-23 20:20:59,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:20:59,261 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:20:59,261 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:20:59,261 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:20:59,262 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:20:59" (1/1) ... [2023-11-23 20:20:59,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:20:59,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:20:59,298 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:20:59,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:20:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:20:59,351 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:20:59,351 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:20:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:20:59,352 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:20:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:20:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:20:59,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:20:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:20:59,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:20:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:20:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:20:59,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:20:59,520 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:20:59,523 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:20:59,781 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:20:59,859 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:20:59,859 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:20:59,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:59 BoogieIcfgContainer [2023-11-23 20:20:59,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:20:59,862 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:20:59,862 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:20:59,873 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:20:59,873 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:59" (1/1) ... [2023-11-23 20:20:59,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:20:59,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:20:59,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2023-11-23 20:20:59,957 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-23 20:20:59,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:20:59,964 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:20:59,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:00,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:00,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 76 transitions. [2023-11-23 20:21:00,341 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-23 20:21:00,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:21:00,342 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:00,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:00,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:00,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:00,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:00,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 82 transitions. [2023-11-23 20:21:00,560 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-23 20:21:00,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:21:00,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:00,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:00,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:00,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:00,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 60 states and 81 transitions. [2023-11-23 20:21:00,822 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2023-11-23 20:21:00,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:21:00,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:00,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:00,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:21:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:01,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 74 transitions. [2023-11-23 20:21:01,061 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-23 20:21:01,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:21:01,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:01,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:01,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:01,168 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:21:01,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:01,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 57 states and 76 transitions. [2023-11-23 20:21:01,606 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-23 20:21:01,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:21:01,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:01,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:01,700 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:21:02,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:02,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 63 states and 86 transitions. [2023-11-23 20:21:02,086 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2023-11-23 20:21:02,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:21:02,090 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:02,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:02,175 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:21:02,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:02,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 80 transitions. [2023-11-23 20:21:02,209 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-23 20:21:02,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:21:02,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:02,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:02,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:21:02,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:02,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 64 states and 87 transitions. [2023-11-23 20:21:02,389 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-11-23 20:21:02,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:21:02,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:02,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:02,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:02,442 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:21:02,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:02,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 63 states and 84 transitions. [2023-11-23 20:21:02,639 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-11-23 20:21:02,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:21:02,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:02,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:02,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:21:02,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:02,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 88 transitions. [2023-11-23 20:21:02,901 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-23 20:21:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:21:02,904 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:02,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:03,000 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:21:03,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:03,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 87 transitions. [2023-11-23 20:21:03,097 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2023-11-23 20:21:03,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:21:03,098 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:03,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:03,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:21:03,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:03,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 89 transitions. [2023-11-23 20:21:03,297 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2023-11-23 20:21:03,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:21:03,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:03,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:03,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:03,420 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:21:03,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:03,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 67 states and 87 transitions. [2023-11-23 20:21:03,589 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2023-11-23 20:21:03,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:21:03,590 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:03,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:03,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:21:03,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:03,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 54 states and 70 transitions. [2023-11-23 20:21:03,652 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-23 20:21:03,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:21:03,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:03,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:03,738 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:21:03,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:03,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 52 states and 67 transitions. [2023-11-23 20:21:03,814 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-23 20:21:03,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:21:03,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:03,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:03,946 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:21:03,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:04,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 54 states and 71 transitions. [2023-11-23 20:21:04,003 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-23 20:21:04,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:21:04,005 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:04,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:04,071 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:21:04,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:04,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 55 states and 72 transitions. [2023-11-23 20:21:04,096 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-11-23 20:21:04,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:21:04,097 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:04,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:04,153 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:21:04,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:04,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 64 states and 86 transitions. [2023-11-23 20:21:04,801 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2023-11-23 20:21:04,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:21:04,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:04,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:04,850 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:21:05,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:05,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 67 states and 90 transitions. [2023-11-23 20:21:05,177 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2023-11-23 20:21:05,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:21:05,178 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:05,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:05,233 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:21:05,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 70 states and 94 transitions. [2023-11-23 20:21:05,529 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2023-11-23 20:21:05,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:21:05,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:05,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:05,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:05,580 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:21:05,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:05,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 63 states and 82 transitions. [2023-11-23 20:21:05,926 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-23 20:21:05,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:21:05,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:05,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:05,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:05,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:21:06,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:06,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 67 states and 88 transitions. [2023-11-23 20:21:06,385 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-23 20:21:06,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:21:06,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:06,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:06,479 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:21:06,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:06,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 71 states and 92 transitions. [2023-11-23 20:21:06,868 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2023-11-23 20:21:06,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:21:06,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:06,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:21:07,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:07,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 76 states and 100 transitions. [2023-11-23 20:21:07,115 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2023-11-23 20:21:07,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:21:07,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:07,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:07,200 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:21:07,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:07,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 70 states and 91 transitions. [2023-11-23 20:21:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2023-11-23 20:21:07,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:21:07,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:07,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:07,392 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:21:07,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:07,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 48 states and 60 transitions. [2023-11-23 20:21:07,425 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-23 20:21:07,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:21:07,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:21:07,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:21:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:21:07,538 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:21:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:21:07,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 47 states and 59 transitions. [2023-11-23 20:21:07,572 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-23 20:21:07,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:21:07,575 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2023-11-23 20:21:07,587 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-23 20:21:07,879 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:21:07,885 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:21:07 ImpRootNode [2023-11-23 20:21:07,886 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:21:07,886 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:21:07,887 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:21:07,887 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:21:07,887 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:20:59" (3/4) ... [2023-11-23 20:21:07,890 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:21:07,893 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:21:07,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:21:07,903 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-23 20:21:07,904 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:21:07,904 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:21:07,905 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:21:07,905 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:21:08,059 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:21:08,060 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:21:08,060 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:21:08,060 INFO L158 Benchmark]: Toolchain (without parser) took 10609.41ms. Allocated memory was 140.5MB in the beginning and 222.3MB in the end (delta: 81.8MB). Free memory was 97.6MB in the beginning and 121.8MB in the end (delta: -24.3MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2023-11-23 20:21:08,061 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 104.9MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:21:08,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1663.49ms. Allocated memory is still 140.5MB. Free memory was 97.6MB in the beginning and 83.5MB in the end (delta: 14.0MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. [2023-11-23 20:21:08,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 101.63ms. Allocated memory is still 140.5MB. Free memory was 83.5MB in the beginning and 80.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:21:08,062 INFO L158 Benchmark]: Boogie Preprocessor took 38.96ms. Allocated memory is still 140.5MB. Free memory was 80.6MB in the beginning and 78.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:21:08,062 INFO L158 Benchmark]: RCFGBuilder took 600.39ms. Allocated memory is still 140.5MB. Free memory was 78.6MB in the beginning and 59.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 20:21:08,063 INFO L158 Benchmark]: CodeCheck took 8023.93ms. Allocated memory was 140.5MB in the beginning and 222.3MB in the end (delta: 81.8MB). Free memory was 59.2MB in the beginning and 128.0MB in the end (delta: -68.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2023-11-23 20:21:08,063 INFO L158 Benchmark]: Witness Printer took 173.48ms. Allocated memory is still 222.3MB. Free memory was 128.0MB in the beginning and 121.8MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:21:08,065 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: 7.7s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4316 SdHoareTripleChecker+Valid, 9.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1903 mSDsluCounter, 3948 SdHoareTripleChecker+Invalid, 7.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1545 mSDsCounter, 1104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4826 IncrementalHoareTripleChecker+Invalid, 5930 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1104 mSolverCounterUnsat, 2403 mSDtfsCounter, 4826 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6461 GetRequests, 6309 SyntacticMatches, 12 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9481 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 653 NumberOfCodeBlocks, 653 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 626 ConstructedInterpolants, 0 QuantifiedInterpolants, 1349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 132/132 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: 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: 1668]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 104.9MB. Free memory is still 81.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1663.49ms. Allocated memory is still 140.5MB. Free memory was 97.6MB in the beginning and 83.5MB in the end (delta: 14.0MB). Peak memory consumption was 55.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 101.63ms. Allocated memory is still 140.5MB. Free memory was 83.5MB in the beginning and 80.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.96ms. Allocated memory is still 140.5MB. Free memory was 80.6MB in the beginning and 78.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 600.39ms. Allocated memory is still 140.5MB. Free memory was 78.6MB in the beginning and 59.2MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 8023.93ms. Allocated memory was 140.5MB in the beginning and 222.3MB in the end (delta: 81.8MB). Free memory was 59.2MB in the beginning and 128.0MB in the end (delta: -68.8MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 173.48ms. Allocated memory is still 222.3MB. Free memory was 128.0MB in the beginning and 121.8MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:21:08,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c1bf1400-8b68-4c01-a9bd-d8ae98be5245/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE