./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi --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 1a8fe106955e33ad0b77286efbf557d0c2fbf8777c5dc1f3bbb61b941e9d9383 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:10:43,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:10:43,808 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:10:43,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:10:43,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:10:43,861 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:10:43,862 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:10:43,863 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:10:43,864 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:10:43,870 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:10:43,871 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:10:43,872 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:10:43,873 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:10:43,875 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:10:43,875 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:10:43,876 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:10:43,876 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:10:43,877 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:10:43,878 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:10:43,878 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:10:43,879 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:10:43,880 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:10:43,881 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:10:43,881 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:10:43,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:10:43,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:43,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:10:43,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:10:43,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:10:43,885 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:10:43,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:10:43,887 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:10:43,888 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_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a8fe106955e33ad0b77286efbf557d0c2fbf8777c5dc1f3bbb61b941e9d9383 [2023-11-24 23:10:44,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:10:44,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:10:44,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:10:44,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:10:44,301 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:10:44,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_good.i [2023-11-24 23:10:47,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:10:48,091 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:10:48,092 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_05_good.i [2023-11-24 23:10:48,131 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/data/a33f86a41/a3c0694c061e43ca85f2eb1160657641/FLAGbf8a57281 [2023-11-24 23:10:48,154 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/data/a33f86a41/a3c0694c061e43ca85f2eb1160657641 [2023-11-24 23:10:48,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:10:48,161 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:10:48,165 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:48,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:10:48,171 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:10:48,172 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:48" (1/1) ... [2023-11-24 23:10:48,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12bc9372 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:48, skipping insertion in model container [2023-11-24 23:10:48,174 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:10:48" (1/1) ... [2023-11-24 23:10:48,274 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:10:49,525 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:49,538 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:10:49,649 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:10:49,816 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:49,816 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:49,816 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:49,817 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:49,817 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:10:49,826 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:10:49,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49 WrapperNode [2023-11-24 23:10:49,827 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:10:49,828 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:49,828 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:10:49,828 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:10:49,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,885 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,923 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 129 [2023-11-24 23:10:49,924 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:10:49,925 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:10:49,925 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:10:49,925 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:10:49,945 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,945 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,960 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,967 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:10:49,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:10:49,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:10:49,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:10:49,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:10:49" (1/1) ... [2023-11-24 23:10:49,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:10:49,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:10:50,011 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:10:50,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:10:50,055 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:10:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:10:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:10:50,056 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:10:50,056 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:10:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:10:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:10:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:10:50,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:10:50,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:10:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:10:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:10:50,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:10:50,218 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:10:50,220 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:10:50,477 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:10:50,550 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:10:50,552 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:10:50,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:50 BoogieIcfgContainer [2023-11-24 23:10:50,556 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:10:50,558 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:10:50,558 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:10:50,569 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:10:50,570 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:50" (1/1) ... [2023-11-24 23:10:50,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:10:50,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:50,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2023-11-24 23:10:50,660 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2023-11-24 23:10:50,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:10:50,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:50,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:50,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:51,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 82 transitions. [2023-11-24 23:10:51,069 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 23:10:51,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:10:51,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:51,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:51,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:51,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:51,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 81 transitions. [2023-11-24 23:10:51,290 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-11-24 23:10:51,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:10:51,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:51,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:51,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:51,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:51,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 88 transitions. [2023-11-24 23:10:51,557 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-24 23:10:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:10:51,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:51,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:51,723 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:51,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:51,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 80 transitions. [2023-11-24 23:10:51,848 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-11-24 23:10:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:10:51,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:51,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:51,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:51,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:52,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:52,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 82 transitions. [2023-11-24 23:10:52,338 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 23:10:52,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:10:52,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:52,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:52,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:52,416 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:52,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:52,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 70 states and 93 transitions. [2023-11-24 23:10:52,820 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2023-11-24 23:10:52,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:10:52,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:52,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:10:53,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:53,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 74 states and 97 transitions. [2023-11-24 23:10:53,071 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-24 23:10:53,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:10:53,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:53,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:53,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:53,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:53,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 73 states and 96 transitions. [2023-11-24 23:10:53,219 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-11-24 23:10:53,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:10:53,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:53,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:53,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:53,316 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:53,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:53,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 78 states and 104 transitions. [2023-11-24 23:10:53,422 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2023-11-24 23:10:53,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:10:53,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:53,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:53,464 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:53,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 74 states and 97 transitions. [2023-11-24 23:10:53,483 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-24 23:10:53,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:10:53,484 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:53,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:53,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:53,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:53,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 76 states and 99 transitions. [2023-11-24 23:10:53,649 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2023-11-24 23:10:53,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:10:53,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:53,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:53,714 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:53,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:53,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 74 states and 95 transitions. [2023-11-24 23:10:53,911 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2023-11-24 23:10:53,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:10:53,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:53,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:54,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:54,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:54,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 73 states and 93 transitions. [2023-11-24 23:10:54,175 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2023-11-24 23:10:54,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:10:54,176 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:54,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:54,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:54,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:54,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 59 states and 75 transitions. [2023-11-24 23:10:54,297 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-11-24 23:10:54,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:10:54,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:54,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:54,346 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:54,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:54,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 57 states and 72 transitions. [2023-11-24 23:10:54,414 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2023-11-24 23:10:54,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:10:54,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:54,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:54,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:54,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 59 states and 76 transitions. [2023-11-24 23:10:54,544 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-24 23:10:54,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:10:54,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:54,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:54,649 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:54,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:54,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 81 transitions. [2023-11-24 23:10:54,807 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-11-24 23:10:54,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:10:54,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:54,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:54,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:55,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 86 transitions. [2023-11-24 23:10:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2023-11-24 23:10:55,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:10:55,033 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:55,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:55,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:55,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:55,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 75 states and 101 transitions. [2023-11-24 23:10:55,682 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2023-11-24 23:10:55,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:10:55,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:55,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:55,730 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:10:55,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:55,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 73 states and 97 transitions. [2023-11-24 23:10:55,901 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2023-11-24 23:10:55,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:10:55,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:55,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:55,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:55,944 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:56,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:56,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 70 states and 92 transitions. [2023-11-24 23:10:56,145 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2023-11-24 23:10:56,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:10:56,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:56,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:56,187 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:56,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:56,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 74 states and 96 transitions. [2023-11-24 23:10:56,390 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2023-11-24 23:10:56,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:10:56,391 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:56,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:10:56,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:56,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 72 states and 92 transitions. [2023-11-24 23:10:56,666 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-11-24 23:10:56,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:10:56,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:56,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:56,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:56,837 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:57,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:57,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 75 states and 98 transitions. [2023-11-24 23:10:57,099 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2023-11-24 23:10:57,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:10:57,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:57,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:10:57,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:57,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 78 states and 102 transitions. [2023-11-24 23:10:57,454 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2023-11-24 23:10:57,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:10:57,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:10:57,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:10:57,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:10:57,524 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:10:57,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:10:57,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 51 states and 63 transitions. [2023-11-24 23:10:57,575 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-11-24 23:10:57,576 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:10:57,576 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-11-24 23:10:57,587 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 23:10:57,983 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:10:57,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:10:57 ImpRootNode [2023-11-24 23:10:57,991 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:10:57,992 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:10:57,992 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:10:57,992 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:10:57,993 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:10:50" (3/4) ... [2023-11-24 23:10:57,995 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:10:57,999 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:10:58,000 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:10:58,009 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-24 23:10:58,010 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 23:10:58,010 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:10:58,011 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:10:58,011 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:10:58,165 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:10:58,166 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:10:58,166 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:10:58,167 INFO L158 Benchmark]: Toolchain (without parser) took 10005.92ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 111.9MB in the beginning and 176.8MB in the end (delta: -65.0MB). Peak memory consumption was 11.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:58,169 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 67.1MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:10:58,169 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1661.48ms. Allocated memory is still 163.6MB. Free memory was 111.9MB in the beginning and 109.0MB in the end (delta: 2.9MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2023-11-24 23:10:58,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.56ms. Allocated memory is still 163.6MB. Free memory was 109.0MB in the beginning and 105.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:10:58,171 INFO L158 Benchmark]: Boogie Preprocessor took 48.41ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 103.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:10:58,171 INFO L158 Benchmark]: RCFGBuilder took 582.12ms. Allocated memory is still 163.6MB. Free memory was 103.9MB in the beginning and 84.1MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:10:58,172 INFO L158 Benchmark]: CodeCheck took 7433.17ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 84.1MB in the beginning and 182.1MB in the end (delta: -98.0MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. [2023-11-24 23:10:58,172 INFO L158 Benchmark]: Witness Printer took 175.06ms. Allocated memory is still 237.0MB. Free memory was 182.1MB in the beginning and 176.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:10:58,175 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, 63 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 7.0s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4711 SdHoareTripleChecker+Valid, 8.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2024 mSDsluCounter, 4661 SdHoareTripleChecker+Invalid, 6.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2062 mSDsCounter, 940 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4195 IncrementalHoareTripleChecker+Invalid, 5135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 940 mSolverCounterUnsat, 2599 mSDtfsCounter, 4195 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6031 GetRequests, 5894 SyntacticMatches, 15 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7100 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 664 NumberOfCodeBlocks, 664 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 638 ConstructedInterpolants, 0 QuantifiedInterpolants, 1374 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: 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: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: 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: 1664]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 117.4MB. Free memory was 67.3MB in the beginning and 67.1MB in the end (delta: 176.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1661.48ms. Allocated memory is still 163.6MB. Free memory was 111.9MB in the beginning and 109.0MB in the end (delta: 2.9MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.56ms. Allocated memory is still 163.6MB. Free memory was 109.0MB in the beginning and 105.0MB in the end (delta: 4.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.41ms. Allocated memory is still 163.6MB. Free memory was 105.0MB in the beginning and 103.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.12ms. Allocated memory is still 163.6MB. Free memory was 103.9MB in the beginning and 84.1MB in the end (delta: 19.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 7433.17ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 84.1MB in the beginning and 182.1MB in the end (delta: -98.0MB). Peak memory consumption was 72.0MB. Max. memory is 16.1GB. * Witness Printer took 175.06ms. Allocated memory is still 237.0MB. Free memory was 182.1MB in the beginning and 176.8MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:10:58,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d063e9fc-a6f1-40ce-a2fc-1a0ab8e93714/bin/ukojak-verify-afCqCEvfdi/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