./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_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/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_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9 --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 [2023-12-03 01:09:32,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:09:32,544 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 01:09:32,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:09:32,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:09:32,571 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:09:32,572 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:09:32,572 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:09:32,573 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:09:32,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:09:32,574 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:09:32,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:09:32,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:09:32,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:09:32,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:09:32,577 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:09:32,577 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:09:32,578 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 01:09:32,578 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 01:09:32,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:09:32,579 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:09:32,581 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:09:32,582 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:09:32,582 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:09:32,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:09:32,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:09:32,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:09:32,584 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:09:32,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:09:32,584 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:09:32,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:09:32,585 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:09:32,585 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_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a814cf57fd535147ce2446449d6b11390c829ca4349271f7ff62504085d77607 [2023-12-03 01:09:32,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:09:32,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:09:32,816 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:09:32,817 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:09:32,817 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:09:32,819 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i [2023-12-03 01:09:35,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:09:35,872 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:09:35,872 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_05_good.i [2023-12-03 01:09:35,898 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/data/4d5815d89/0878a582c1f644f4bdfe46fd6e90eb61/FLAG0f01736d4 [2023-12-03 01:09:35,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/data/4d5815d89/0878a582c1f644f4bdfe46fd6e90eb61 [2023-12-03 01:09:35,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:09:35,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:09:35,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:09:35,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:09:35,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:09:35,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:09:35" (1/1) ... [2023-12-03 01:09:35,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54441d47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:35, skipping insertion in model container [2023-12-03 01:09:35,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:09:35" (1/1) ... [2023-12-03 01:09:35,987 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:09:36,753 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:09:36,765 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:09:36,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:09:36,959 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:09:36,959 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:09:36,960 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:09:36,960 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:09:36,960 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 01:09:36,966 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:09:36,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:36 WrapperNode [2023-12-03 01:09:36,967 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:09:36,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:09:36,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:09:36,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:09:36,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:36" (1/1) ... [2023-12-03 01:09:37,000 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:36" (1/1) ... [2023-12-03 01:09:37,029 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 133 [2023-12-03 01:09:37,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:09:37,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:09:37,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:09:37,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:09:37,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:36" (1/1) ... [2023-12-03 01:09:37,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:36" (1/1) ... [2023-12-03 01:09:37,042 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:36" (1/1) ... [2023-12-03 01:09:37,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:36" (1/1) ... [2023-12-03 01:09:37,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:36" (1/1) ... [2023-12-03 01:09:37,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:36" (1/1) ... [2023-12-03 01:09:37,057 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:36" (1/1) ... [2023-12-03 01:09:37,058 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:36" (1/1) ... [2023-12-03 01:09:37,062 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:09:37,063 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:09:37,063 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:09:37,063 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:09:37,064 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:09:36" (1/1) ... [2023-12-03 01:09:37,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:09:37,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:09:37,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:09:37,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:09:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 01:09:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 01:09:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 01:09:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 01:09:37,130 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 01:09:37,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 01:09:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 01:09:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:09:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:09:37,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:09:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 01:09:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 01:09:37,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:09:37,270 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:09:37,272 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:09:37,458 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:09:37,497 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:09:37,497 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 01:09:37,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:09:37 BoogieIcfgContainer [2023-12-03 01:09:37,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:09:37,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:09:37,500 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:09:37,511 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:09:37,511 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:09:37" (1/1) ... [2023-12-03 01:09:37,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:09:37,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:37,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 67 states and 91 transitions. [2023-12-03 01:09:37,574 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2023-12-03 01:09:37,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 01:09:37,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:37,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:37,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:37,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:37,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 90 transitions. [2023-12-03 01:09:37,868 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2023-12-03 01:09:37,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 01:09:37,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:37,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:37,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:37,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:37,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 89 transitions. [2023-12-03 01:09:37,998 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2023-12-03 01:09:37,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:09:37,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:37,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:38,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 88 transitions. [2023-12-03 01:09:38,138 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2023-12-03 01:09:38,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 01:09:38,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:38,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:38,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:38,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:38,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 98 transitions. [2023-12-03 01:09:38,228 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2023-12-03 01:09:38,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:09:38,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:38,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:38,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:09:38,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:38,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 100 transitions. [2023-12-03 01:09:38,435 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2023-12-03 01:09:38,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:09:38,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:38,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:38,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:38,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:38,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:38,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 71 states and 99 transitions. [2023-12-03 01:09:38,524 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2023-12-03 01:09:38,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 01:09:38,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:38,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:38,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:38,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:38,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:38,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 98 transitions. [2023-12-03 01:09:38,680 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2023-12-03 01:09:38,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 01:09:38,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:38,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:38,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:38,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:38,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 100 transitions. [2023-12-03 01:09:38,747 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2023-12-03 01:09:38,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:09:38,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:38,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:38,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:38,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 105 transitions. [2023-12-03 01:09:38,856 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2023-12-03 01:09:38,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 01:09:38,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:38,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:38,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:39,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:39,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 79 states and 111 transitions. [2023-12-03 01:09:39,018 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-12-03 01:09:39,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 01:09:39,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:39,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:39,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:39,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:39,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 117 transitions. [2023-12-03 01:09:39,201 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2023-12-03 01:09:39,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:09:39,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:39,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:09:39,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:39,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 111 transitions. [2023-12-03 01:09:39,253 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-12-03 01:09:39,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:09:39,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:39,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:39,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:39,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:09:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:39,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 79 states and 110 transitions. [2023-12-03 01:09:39,394 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2023-12-03 01:09:39,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:09:39,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:39,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:39,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:09:39,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:39,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 87 states and 125 transitions. [2023-12-03 01:09:39,480 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2023-12-03 01:09:39,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 01:09:39,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:39,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:39,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:39,522 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:09:39,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:39,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 86 states and 123 transitions. [2023-12-03 01:09:39,536 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2023-12-03 01:09:39,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:09:39,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:39,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:39,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:39,584 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:09:39,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:39,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 82 states and 115 transitions. [2023-12-03 01:09:39,604 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2023-12-03 01:09:39,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 01:09:39,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:39,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:39,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:39,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:39,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 79 states and 111 transitions. [2023-12-03 01:09:39,790 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-12-03 01:09:39,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 01:09:39,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:39,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:39,838 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:09:39,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:39,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 81 states and 113 transitions. [2023-12-03 01:09:39,859 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2023-12-03 01:09:39,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 01:09:39,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:39,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:39,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:39,903 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:09:40,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:40,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 81 states and 112 transitions. [2023-12-03 01:09:40,017 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 112 transitions. [2023-12-03 01:09:40,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:09:40,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:40,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:40,063 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:09:40,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:40,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 81 states and 111 transitions. [2023-12-03 01:09:40,195 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2023-12-03 01:09:40,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:09:40,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:40,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:40,248 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:09:40,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:40,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 84 states and 115 transitions. [2023-12-03 01:09:40,386 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2023-12-03 01:09:40,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 01:09:40,387 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:40,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:40,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:40,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 87 states and 122 transitions. [2023-12-03 01:09:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2023-12-03 01:09:40,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:09:40,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:40,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:40,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:40,722 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:09:40,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:40,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 76 states and 105 transitions. [2023-12-03 01:09:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2023-12-03 01:09:40,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 01:09:40,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:40,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:40,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 01:09:41,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:41,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 60 states and 76 transitions. [2023-12-03 01:09:41,331 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-12-03 01:09:41,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 01:09:41,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:09:41,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:09:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:09:41,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:09:41,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:09:41,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 59 states and 75 transitions. [2023-12-03 01:09:41,552 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-12-03 01:09:41,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:09:41,552 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-12-03 01:09:41,560 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-03 01:09:41,789 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:09:41,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:09:41 ImpRootNode [2023-12-03 01:09:41,794 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:09:41,795 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:09:41,795 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:09:41,795 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:09:41,795 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:09:37" (3/4) ... [2023-12-03 01:09:41,797 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:09:41,800 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 01:09:41,800 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 01:09:41,806 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-12-03 01:09:41,806 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-03 01:09:41,806 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 01:09:41,807 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:09:41,807 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:09:41,911 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:09:41,912 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:09:41,912 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:09:41,913 INFO L158 Benchmark]: Toolchain (without parser) took 5997.24ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 105.1MB in the beginning and 68.3MB in the end (delta: 36.8MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2023-12-03 01:09:41,913 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 104.9MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:09:41,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1050.06ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 101.2MB in the end (delta: 3.9MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2023-12-03 01:09:41,914 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.41ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 98.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:09:41,914 INFO L158 Benchmark]: Boogie Preprocessor took 32.09ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 96.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:09:41,915 INFO L158 Benchmark]: RCFGBuilder took 436.10ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 76.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 01:09:41,915 INFO L158 Benchmark]: CodeCheck took 4294.10ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 76.0MB in the beginning and 74.6MB in the end (delta: 1.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-03 01:09:41,915 INFO L158 Benchmark]: Witness Printer took 117.32ms. Allocated memory is still 172.0MB. Free memory was 74.6MB in the beginning and 68.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 01:09:41,917 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: 4.0s, 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, 4.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1892 mSDsluCounter, 4434 SdHoareTripleChecker+Invalid, 3.5s 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, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5470 GetRequests, 5388 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2382 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s 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 0.18ms. Allocated memory is still 104.9MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1050.06ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 101.2MB in the end (delta: 3.9MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.41ms. Allocated memory is still 142.6MB. Free memory was 101.2MB in the beginning and 98.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.09ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 96.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.10ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 76.0MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 4294.10ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 76.0MB in the beginning and 74.6MB in the end (delta: 1.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 117.32ms. Allocated memory is still 172.0MB. Free memory was 74.6MB in the beginning and 68.3MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 01:09:41,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_683a96c8-c881-4935-acfd-a81e4748bf85/bin/ukojak-verify-Qdu7aM0XO9/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