./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_c2d14339-cce3-4177-9cb4-44f911213e72/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d14339-cce3-4177-9cb4-44f911213e72/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_c2d14339-cce3-4177-9cb4-44f911213e72/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d14339-cce3-4177-9cb4-44f911213e72/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d14339-cce3-4177-9cb4-44f911213e72/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_c2d14339-cce3-4177-9cb4-44f911213e72/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 a814cf57fd535147ce2446449d6b11390c829ca4349271f7ff62504085d77607 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:58,325 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:58,481 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d14339-cce3-4177-9cb4-44f911213e72/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:12:58,491 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:58,492 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:58,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:58,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:58,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:58,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:58,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:58,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:58,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:58,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:58,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:58,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:58,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:58,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:58,558 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:12:58,558 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:12:58,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:58,559 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:58,561 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:58,561 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:58,563 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:58,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:58,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:58,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:58,566 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:58,566 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:58,567 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:58,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:58,569 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:58,569 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_c2d14339-cce3-4177-9cb4-44f911213e72/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d14339-cce3-4177-9cb4-44f911213e72/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a814cf57fd535147ce2446449d6b11390c829ca4349271f7ff62504085d77607 [2023-11-24 23:12:58,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:58,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:58,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:58,996 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:58,996 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:58,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d14339-cce3-4177-9cb4-44f911213e72/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i [2023-11-24 23:13:02,621 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:03,189 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:03,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d14339-cce3-4177-9cb4-44f911213e72/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i [2023-11-24 23:13:03,239 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d14339-cce3-4177-9cb4-44f911213e72/bin/ukojak-verify-afCqCEvfdi/data/f9ce5028e/9815ac284ecc4767b9d094bd7326def5/FLAGfb533b8a3 [2023-11-24 23:13:03,262 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d14339-cce3-4177-9cb4-44f911213e72/bin/ukojak-verify-afCqCEvfdi/data/f9ce5028e/9815ac284ecc4767b9d094bd7326def5 [2023-11-24 23:13:03,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:03,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:03,275 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:03,275 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:03,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:03,282 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:03" (1/1) ... [2023-11-24 23:13:03,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24c02add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:03, skipping insertion in model container [2023-11-24 23:13:03,285 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:03" (1/1) ... [2023-11-24 23:13:03,391 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:04,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:04,786 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:04,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:05,215 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:05,216 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:05,216 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:05,216 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:05,217 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:13:05,227 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:05,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:05 WrapperNode [2023-11-24 23:13:05,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:05,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:05,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:05,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:05,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:05" (1/1) ... [2023-11-24 23:13:05,286 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:05" (1/1) ... [2023-11-24 23:13:05,335 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 133 [2023-11-24 23:13:05,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:05,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:05,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:05,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:05,354 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:05" (1/1) ... [2023-11-24 23:13:05,354 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:05" (1/1) ... [2023-11-24 23:13:05,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:05" (1/1) ... [2023-11-24 23:13:05,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:05" (1/1) ... [2023-11-24 23:13:05,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:05" (1/1) ... [2023-11-24 23:13:05,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:05" (1/1) ... [2023-11-24 23:13:05,382 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:05" (1/1) ... [2023-11-24 23:13:05,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:05" (1/1) ... [2023-11-24 23:13:05,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:05,391 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:05,391 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:05,391 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:05,392 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:05" (1/1) ... [2023-11-24 23:13:05,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:05,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d14339-cce3-4177-9cb4-44f911213e72/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:05,459 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d14339-cce3-4177-9cb4-44f911213e72/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:05,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d14339-cce3-4177-9cb4-44f911213e72/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:05,495 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:13:05,495 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:13:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:13:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:13:05,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:13:05,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:13:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:13:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:05,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:05,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:13:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:13:05,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:05,695 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:05,697 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:05,987 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:06,049 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:06,050 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:13:06,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:06 BoogieIcfgContainer [2023-11-24 23:13:06,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:06,055 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:06,055 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:06,067 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:06,067 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:06" (1/1) ... [2023-11-24 23:13:06,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:06,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 67 states and 91 transitions. [2023-11-24 23:13:06,159 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2023-11-24 23:13:06,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:13:06,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:06,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:06,615 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 23:13:06,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:06,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 90 transitions. [2023-11-24 23:13:06,714 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2023-11-24 23:13:06,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:13:06,715 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:06,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:06,855 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 23:13:06,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:06,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 89 transitions. [2023-11-24 23:13:06,886 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2023-11-24 23:13:06,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:13:06,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:06,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:07,021 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 23:13:07,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:07,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 88 transitions. [2023-11-24 23:13:07,118 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2023-11-24 23:13:07,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:13:07,120 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:07,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:07,191 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 23:13:07,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:07,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 98 transitions. [2023-11-24 23:13:07,233 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2023-11-24 23:13:07,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:13:07,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:07,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:07,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:07,301 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 23:13:07,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:07,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 100 transitions. [2023-11-24 23:13:07,488 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2023-11-24 23:13:07,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:13:07,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:07,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:07,575 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 23:13:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:07,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 71 states and 99 transitions. [2023-11-24 23:13:07,609 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2023-11-24 23:13:07,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:13:07,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:07,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:07,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:07,723 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 23:13:07,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:07,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 98 transitions. [2023-11-24 23:13:07,833 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2023-11-24 23:13:07,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:13:07,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:07,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:07,920 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 23:13:07,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:07,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 100 transitions. [2023-11-24 23:13:07,949 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2023-11-24 23:13:07,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:13:07,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:07,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:07,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:08,071 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 23:13:08,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 105 transitions. [2023-11-24 23:13:08,133 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2023-11-24 23:13:08,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:13:08,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:08,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:08,244 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 23:13:08,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:08,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 79 states and 111 transitions. [2023-11-24 23:13:08,395 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-11-24 23:13:08,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:13:08,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:08,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:08,459 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 23:13:08,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:08,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 117 transitions. [2023-11-24 23:13:08,634 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2023-11-24 23:13:08,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:13:08,638 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:08,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:08,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:08,696 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 23:13:08,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:08,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 111 transitions. [2023-11-24 23:13:08,733 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-11-24 23:13:08,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:13:08,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:08,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:08,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:08,796 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 23:13:08,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:08,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 79 states and 110 transitions. [2023-11-24 23:13:08,958 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2023-11-24 23:13:08,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 23:13:08,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:08,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:08,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:09,027 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 23:13:09,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:09,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 87 states and 125 transitions. [2023-11-24 23:13:09,082 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2023-11-24 23:13:09,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:13:09,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:09,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:09,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:09,149 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 23:13:09,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:09,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 86 states and 123 transitions. [2023-11-24 23:13:09,168 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2023-11-24 23:13:09,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:13:09,169 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:09,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:09,216 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 23:13:09,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:09,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 82 states and 115 transitions. [2023-11-24 23:13:09,239 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2023-11-24 23:13:09,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:13:09,245 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:09,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:09,300 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 23:13:09,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:09,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 79 states and 111 transitions. [2023-11-24 23:13:09,496 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-11-24 23:13:09,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:13:09,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:09,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:09,557 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 23:13:09,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:09,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 81 states and 113 transitions. [2023-11-24 23:13:09,586 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2023-11-24 23:13:09,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:13:09,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:09,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:09,644 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 23:13:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:09,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 81 states and 112 transitions. [2023-11-24 23:13:09,820 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 112 transitions. [2023-11-24 23:13:09,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:13:09,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:09,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:09,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:09,885 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 23:13:10,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:10,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 81 states and 111 transitions. [2023-11-24 23:13:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2023-11-24 23:13:10,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:13:10,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:10,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:10,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:10,141 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 23:13:10,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:10,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 84 states and 115 transitions. [2023-11-24 23:13:10,338 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2023-11-24 23:13:10,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:13:10,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:10,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:10,481 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 23:13:10,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:10,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 87 states and 122 transitions. [2023-11-24 23:13:10,754 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2023-11-24 23:13:10,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:13:10,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:10,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:10,808 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 23:13:11,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 76 states and 105 transitions. [2023-11-24 23:13:11,041 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2023-11-24 23:13:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:13:11,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:11,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:11,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:11,120 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 23:13:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:11,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 60 states and 76 transitions. [2023-11-24 23:13:11,663 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-11-24 23:13:11,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 23:13:11,664 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:11,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:11,785 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 23:13:11,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:11,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 59 states and 75 transitions. [2023-11-24 23:13:11,990 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-11-24 23:13:11,991 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:13:11,991 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-11-24 23:13:12,007 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 23:13:12,407 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:13:12,413 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:13:12 ImpRootNode [2023-11-24 23:13:12,413 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:13:12,414 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:13:12,414 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:13:12,414 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:13:12,415 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:06" (3/4) ... [2023-11-24 23:13:12,417 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:13:12,421 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:13:12,422 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:13:12,433 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-24 23:13:12,434 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 23:13:12,434 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:13:12,435 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:13:12,436 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:13:12,609 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d14339-cce3-4177-9cb4-44f911213e72/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:13:12,610 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d14339-cce3-4177-9cb4-44f911213e72/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:13:12,610 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:13:12,611 INFO L158 Benchmark]: Toolchain (without parser) took 9340.65ms. Allocated memory was 125.8MB in the beginning and 205.5MB in the end (delta: 79.7MB). Free memory was 83.5MB in the beginning and 73.6MB in the end (delta: 9.9MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2023-11-24 23:13:12,614 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 125.8MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:13:12,614 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1954.22ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 83.5MB in the beginning and 98.3MB in the end (delta: -14.8MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2023-11-24 23:13:12,615 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.39ms. Allocated memory is still 163.6MB. Free memory was 98.3MB in the beginning and 95.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:12,615 INFO L158 Benchmark]: Boogie Preprocessor took 52.69ms. Allocated memory is still 163.6MB. Free memory was 95.3MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:13:12,616 INFO L158 Benchmark]: RCFGBuilder took 662.96ms. Allocated memory is still 163.6MB. Free memory was 93.2MB in the beginning and 73.2MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:13:12,616 INFO L158 Benchmark]: CodeCheck took 6358.71ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 73.2MB in the beginning and 79.8MB in the end (delta: -6.7MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-11-24 23:13:12,617 INFO L158 Benchmark]: Witness Printer took 196.20ms. Allocated memory is still 205.5MB. Free memory was 79.8MB in the beginning and 73.6MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:13:12,621 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, 67 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4486 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1892 mSDsluCounter, 4434 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1962 mSDsCounter, 740 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3025 IncrementalHoareTripleChecker+Invalid, 3765 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 740 mSolverCounterUnsat, 2472 mSDtfsCounter, 3025 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5470 GetRequests, 5388 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2382 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 589 NumberOfCodeBlocks, 589 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 564 ConstructedInterpolants, 0 QuantifiedInterpolants, 1200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 40/40 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: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1638]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1655]: 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: 1672]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 125.8MB. Free memory is still 74.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1954.22ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 83.5MB in the beginning and 98.3MB in the end (delta: -14.8MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.39ms. Allocated memory is still 163.6MB. Free memory was 98.3MB in the beginning and 95.3MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.69ms. Allocated memory is still 163.6MB. Free memory was 95.3MB in the beginning and 93.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 662.96ms. Allocated memory is still 163.6MB. Free memory was 93.2MB in the beginning and 73.2MB in the end (delta: 20.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 6358.71ms. Allocated memory was 163.6MB in the beginning and 205.5MB in the end (delta: 41.9MB). Free memory was 73.2MB in the beginning and 79.8MB in the end (delta: -6.7MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * Witness Printer took 196.20ms. Allocated memory is still 205.5MB. Free memory was 79.8MB in the beginning and 73.6MB 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! [2023-11-24 23:13:12,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c2d14339-cce3-4177-9cb4-44f911213e72/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