./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash df1b3c6c94f9f90049c33dc36c8939b75c735feb6d6444fdb5672197c7b46887 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:00,597 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:00,723 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:49:00,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:49:00,732 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:49:00,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:00,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:00,771 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:00,772 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:00,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:00,778 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:00,779 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:00,779 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:49:00,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:00,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:00,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:00,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:00,783 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:49:00,783 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:49:00,784 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:00,784 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:00,785 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:00,785 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:00,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:00,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:00,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:00,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:00,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:00,788 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:49:00,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:49:00,790 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:00,791 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_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df1b3c6c94f9f90049c33dc36c8939b75c735feb6d6444fdb5672197c7b46887 [2023-11-11 23:49:01,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:01,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:01,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:01,148 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:01,149 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:01,150 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_17_good.i [2023-11-11 23:49:04,300 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:04,822 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:04,823 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_17_good.i [2023-11-11 23:49:04,853 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/data/f09fa50ab/d82041edb17247db8b063b4aee5762f5/FLAG06a4ed5b4 [2023-11-11 23:49:04,870 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/data/f09fa50ab/d82041edb17247db8b063b4aee5762f5 [2023-11-11 23:49:04,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:04,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:04,877 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:04,877 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:04,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:04,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:04" (1/1) ... [2023-11-11 23:49:04,886 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c45c0a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:04, skipping insertion in model container [2023-11-11 23:49:04,886 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:04" (1/1) ... [2023-11-11 23:49:04,959 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:05,417 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:49:05,997 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:06,011 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:06,047 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:49:06,182 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:06,442 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:06,442 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:06,442 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:06,443 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:06,443 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:06,443 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:49:06,452 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:06,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:06 WrapperNode [2023-11-11 23:49:06,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:06,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:06,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:06,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:06,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:06" (1/1) ... [2023-11-11 23:49:06,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:06" (1/1) ... [2023-11-11 23:49:06,561 INFO L138 Inliner]: procedures = 502, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 109 [2023-11-11 23:49:06,562 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:06,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:06,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:06,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:06,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:06" (1/1) ... [2023-11-11 23:49:06,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:06" (1/1) ... [2023-11-11 23:49:06,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:06" (1/1) ... [2023-11-11 23:49:06,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:06" (1/1) ... [2023-11-11 23:49:06,595 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:06" (1/1) ... [2023-11-11 23:49:06,605 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:06" (1/1) ... [2023-11-11 23:49:06,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:06" (1/1) ... [2023-11-11 23:49:06,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:06" (1/1) ... [2023-11-11 23:49:06,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:06,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:06,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:06,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:06,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:06" (1/1) ... [2023-11-11 23:49:06,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:06,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:06,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:06,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:49:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:49:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:49:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:49:06,724 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:49:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:49:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:49:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:49:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:06,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:49:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:49:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:49:06,956 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:06,959 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:07,275 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:07,333 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:07,333 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:49:07,336 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:07 BoogieIcfgContainer [2023-11-11 23:49:07,337 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:49:07,338 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:49:07,338 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:49:07,351 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:49:07,351 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:07" (1/1) ... [2023-11-11 23:49:07,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:49:07,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:07,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 51 states and 62 transitions. [2023-11-11 23:49:07,429 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2023-11-11 23:49:07,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:49:07,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:07,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:07,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:07,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:08,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:08,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 55 states and 69 transitions. [2023-11-11 23:49:08,026 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2023-11-11 23:49:08,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:49:08,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:08,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:08,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:08,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:08,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 56 states and 70 transitions. [2023-11-11 23:49:08,264 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2023-11-11 23:49:08,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:49:08,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:08,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:08,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:08,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:08,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 57 states and 71 transitions. [2023-11-11 23:49:08,443 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 71 transitions. [2023-11-11 23:49:08,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:49:08,445 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:08,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:08,644 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:08,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:08,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 50 states and 60 transitions. [2023-11-11 23:49:08,739 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-11 23:49:08,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:49:08,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:08,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:08,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:08,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:08,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:08,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 51 states and 62 transitions. [2023-11-11 23:49:08,887 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2023-11-11 23:49:08,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:49:08,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:08,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:09,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:09,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:09,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 54 states and 68 transitions. [2023-11-11 23:49:09,062 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-11 23:49:09,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:49:09,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:09,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:09,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:09,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:09,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:09,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 67 transitions. [2023-11-11 23:49:09,186 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-11-11 23:49:09,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:09,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:09,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:09,269 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:09,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:09,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 54 states and 68 transitions. [2023-11-11 23:49:09,293 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-11 23:49:09,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:09,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:09,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:09,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:09,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:09,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 53 states and 67 transitions. [2023-11-11 23:49:09,470 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 67 transitions. [2023-11-11 23:49:09,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:49:09,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:09,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:09,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:09,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:49:09,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:09,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 55 states and 70 transitions. [2023-11-11 23:49:09,654 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2023-11-11 23:49:09,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:49:09,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:09,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:09,802 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:09,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:09,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 57 states and 73 transitions. [2023-11-11 23:49:09,881 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2023-11-11 23:49:09,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:49:09,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:09,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:09,986 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:10,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:10,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 58 states and 74 transitions. [2023-11-11 23:49:10,098 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2023-11-11 23:49:10,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:49:10,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:10,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:10,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:10,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 59 states and 75 transitions. [2023-11-11 23:49:10,194 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-11-11 23:49:10,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:49:10,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:10,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:10,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:10,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:10,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 50 states and 60 transitions. [2023-11-11 23:49:10,514 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2023-11-11 23:49:10,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:49:10,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:10,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:10,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:10,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 46 states and 54 transitions. [2023-11-11 23:49:10,764 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 54 transitions. [2023-11-11 23:49:10,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:49:10,767 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:10,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:10,858 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:11,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:11,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 49 states and 59 transitions. [2023-11-11 23:49:11,252 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2023-11-11 23:49:11,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:49:11,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:11,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:11,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:11,347 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:11,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:11,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 51 states and 63 transitions. [2023-11-11 23:49:11,812 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-11-11 23:49:11,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:49:11,812 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:11,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:11,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:11,862 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:49:11,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:11,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 53 states and 65 transitions. [2023-11-11 23:49:11,891 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2023-11-11 23:49:11,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:49:11,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:11,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:49:12,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:12,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 61 states and 78 transitions. [2023-11-11 23:49:12,714 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-11 23:49:12,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:49:12,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:12,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:12,790 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:49:12,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:12,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 62 states and 81 transitions. [2023-11-11 23:49:12,824 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-11-11 23:49:12,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:49:12,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:12,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:12,893 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:49:13,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 68 states and 87 transitions. [2023-11-11 23:49:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2023-11-11 23:49:13,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-11 23:49:13,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:13,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:13,478 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:49:13,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:13,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 73 states and 92 transitions. [2023-11-11 23:49:13,896 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 92 transitions. [2023-11-11 23:49:13,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-11 23:49:13,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:13,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:14,098 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:49:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 43 states and 49 transitions. [2023-11-11 23:49:14,467 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2023-11-11 23:49:14,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:49:14,468 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2023-11-11 23:49:14,479 INFO L753 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2023-11-11 23:49:14,625 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:49:14,631 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-11-11 23:49:14,635 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:49:14,635 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:49:14,636 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:49:14,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:49:14 ImpRootNode [2023-11-11 23:49:14,636 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:49:14,637 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:49:14,637 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:49:14,637 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:49:14,638 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:07" (3/4) ... [2023-11-11 23:49:14,640 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:49:14,644 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:49:14,644 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:49:14,651 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2023-11-11 23:49:14,652 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-11 23:49:14,652 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-11 23:49:14,653 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:49:14,786 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:49:14,786 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:49:14,787 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:49:14,787 INFO L158 Benchmark]: Toolchain (without parser) took 9912.14ms. Allocated memory was 157.3MB in the beginning and 213.9MB in the end (delta: 56.6MB). Free memory was 124.2MB in the beginning and 80.1MB in the end (delta: 44.1MB). Peak memory consumption was 100.2MB. Max. memory is 16.1GB. [2023-11-11 23:49:14,788 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:49:14,788 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1598.90ms. Allocated memory is still 157.3MB. Free memory was 124.2MB in the beginning and 111.3MB in the end (delta: 12.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-11 23:49:14,789 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.44ms. Allocated memory is still 157.3MB. Free memory was 111.3MB in the beginning and 107.6MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:14,790 INFO L158 Benchmark]: Boogie Preprocessor took 66.33ms. Allocated memory is still 157.3MB. Free memory was 107.6MB in the beginning and 106.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:49:14,790 INFO L158 Benchmark]: RCFGBuilder took 707.02ms. Allocated memory is still 157.3MB. Free memory was 106.4MB in the beginning and 87.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-11 23:49:14,791 INFO L158 Benchmark]: CodeCheck took 7298.56ms. Allocated memory was 157.3MB in the beginning and 213.9MB in the end (delta: 56.6MB). Free memory was 87.5MB in the beginning and 85.2MB in the end (delta: 2.3MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-11 23:49:14,791 INFO L158 Benchmark]: Witness Printer took 149.80ms. Allocated memory is still 213.9MB. Free memory was 85.2MB in the beginning and 80.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:49:14,794 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, 51 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1790 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 771 mSDsluCounter, 1042 SdHoareTripleChecker+Invalid, 4.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 366 mSDsCounter, 712 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2715 IncrementalHoareTripleChecker+Invalid, 3427 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 712 mSolverCounterUnsat, 676 mSDtfsCounter, 2715 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3778 GetRequests, 3663 SyntacticMatches, 23 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2483 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 493 NumberOfCodeBlocks, 493 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 470 ConstructedInterpolants, 0 QuantifiedInterpolants, 848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 19 PerfectInterpolantSequences, 65/69 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1573]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1596]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1592]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1592]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1588]: Loop Invariant Derived loop invariant: ((h == 0) || (((1 <= h) && ((data + 2) <= 0)) && (0 <= (data + 2)))) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1611]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 125.8MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1598.90ms. Allocated memory is still 157.3MB. Free memory was 124.2MB in the beginning and 111.3MB in the end (delta: 12.9MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.44ms. Allocated memory is still 157.3MB. Free memory was 111.3MB in the beginning and 107.6MB in the end (delta: 3.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.33ms. Allocated memory is still 157.3MB. Free memory was 107.6MB in the beginning and 106.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 707.02ms. Allocated memory is still 157.3MB. Free memory was 106.4MB in the beginning and 87.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 7298.56ms. Allocated memory was 157.3MB in the beginning and 213.9MB in the end (delta: 56.6MB). Free memory was 87.5MB in the beginning and 85.2MB in the end (delta: 2.3MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 149.80ms. Allocated memory is still 213.9MB. Free memory was 85.2MB in the beginning and 80.1MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:49:14,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60759f82-202c-4d0d-ae72-5acdbe6e9a74/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE