./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/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_ea2e22f9-59c3-443e-98e4-e73e90fce043/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/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_ea2e22f9-59c3-443e-98e4-e73e90fce043/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 7f02d62a9fe81ad38cfce3f8ce3987e76510c3d92a0f500ad53aa0b182941921 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:51:24,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:51:24,313 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:51:24,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:51:24,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:51:24,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:51:24,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:51:24,341 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:51:24,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:51:24,342 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:51:24,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:51:24,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:51:24,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:51:24,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:51:24,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:51:24,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:51:24,346 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:51:24,347 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:51:24,347 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:51:24,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:51:24,349 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:51:24,349 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:51:24,350 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:51:24,350 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:51:24,351 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:51:24,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:51:24,352 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:51:24,352 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:51:24,353 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:51:24,353 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:51:24,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:51:24,354 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:51:24,354 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_ea2e22f9-59c3-443e-98e4-e73e90fce043/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f02d62a9fe81ad38cfce3f8ce3987e76510c3d92a0f500ad53aa0b182941921 [2023-12-03 03:51:24,584 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:51:24,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:51:24,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:51:24,609 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:51:24,610 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:51:24,611 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_04_good.i [2023-12-03 03:51:27,373 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:51:27,659 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:51:27,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_multiply_04_good.i [2023-12-03 03:51:27,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/bin/ukojak-verify-Qdu7aM0XO9/data/519d16ce5/4df19c1f89044ab5b661c36bc1280e7f/FLAG1009d83b6 [2023-12-03 03:51:27,700 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/bin/ukojak-verify-Qdu7aM0XO9/data/519d16ce5/4df19c1f89044ab5b661c36bc1280e7f [2023-12-03 03:51:27,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:51:27,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:51:27,706 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:51:27,706 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:51:27,711 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:51:27,712 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:51:27" (1/1) ... [2023-12-03 03:51:27,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5650fc55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:27, skipping insertion in model container [2023-12-03 03:51:27,713 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:51:27" (1/1) ... [2023-12-03 03:51:27,773 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:51:28,674 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:51:28,687 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:51:28,773 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:51:28,964 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:51:28,965 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:51:28,965 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:51:28,965 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:51:28,965 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:51:28,974 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:51:28,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:28 WrapperNode [2023-12-03 03:51:28,975 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:51:28,976 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:51:28,976 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:51:28,976 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:51:28,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:28" (1/1) ... [2023-12-03 03:51:29,013 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:28" (1/1) ... [2023-12-03 03:51:29,044 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 133 [2023-12-03 03:51:29,044 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:51:29,045 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:51:29,045 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:51:29,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:51:29,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:28" (1/1) ... [2023-12-03 03:51:29,056 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:28" (1/1) ... [2023-12-03 03:51:29,060 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:28" (1/1) ... [2023-12-03 03:51:29,060 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:28" (1/1) ... [2023-12-03 03:51:29,068 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:28" (1/1) ... [2023-12-03 03:51:29,071 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:28" (1/1) ... [2023-12-03 03:51:29,073 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:28" (1/1) ... [2023-12-03 03:51:29,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:28" (1/1) ... [2023-12-03 03:51:29,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:51:29,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:51:29,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:51:29,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:51:29,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:51:28" (1/1) ... [2023-12-03 03:51:29,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:51:29,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:51:29,134 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:51:29,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:51:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-12-03 03:51:29,169 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-12-03 03:51:29,169 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 03:51:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:51:29,170 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:51:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:51:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 03:51:29,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:51:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:51:29,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:51:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:51:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:51:29,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:51:29,332 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:51:29,334 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:51:29,549 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:51:29,589 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:51:29,589 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:51:29,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:51:29 BoogieIcfgContainer [2023-12-03 03:51:29,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:51:29,592 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:51:29,592 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:51:29,600 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:51:29,600 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:51:29" (1/1) ... [2023-12-03 03:51:29,607 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:51:29,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:29,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 67 states and 91 transitions. [2023-12-03 03:51:29,652 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 91 transitions. [2023-12-03 03:51:29,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:51:29,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:29,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:29,901 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 03:51:29,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:29,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 67 states and 90 transitions. [2023-12-03 03:51:29,942 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2023-12-03 03:51:29,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:51:29,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:29,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:30,039 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 03:51:30,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:30,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 66 states and 89 transitions. [2023-12-03 03:51:30,063 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 89 transitions. [2023-12-03 03:51:30,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 03:51:30,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:30,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:30,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:30,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:30,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 88 transitions. [2023-12-03 03:51:30,256 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2023-12-03 03:51:30,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 03:51:30,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:30,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:30,320 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 03:51:30,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:30,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 70 states and 98 transitions. [2023-12-03 03:51:30,356 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2023-12-03 03:51:30,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:51:30,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:30,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:30,413 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 03:51:30,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:30,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 100 transitions. [2023-12-03 03:51:30,569 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2023-12-03 03:51:30,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 03:51:30,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:30,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:30,635 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 03:51:30,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:30,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 71 states and 99 transitions. [2023-12-03 03:51:30,664 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2023-12-03 03:51:30,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 03:51:30,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:30,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:30,731 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 03:51:30,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:30,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 98 transitions. [2023-12-03 03:51:30,815 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 98 transitions. [2023-12-03 03:51:30,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-03 03:51:30,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:30,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:30,863 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 03:51:30,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:30,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 100 transitions. [2023-12-03 03:51:30,879 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2023-12-03 03:51:30,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 03:51:30,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:30,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:30,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:51:30,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:30,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 105 transitions. [2023-12-03 03:51:30,988 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 105 transitions. [2023-12-03 03:51:30,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-03 03:51:30,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:30,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:31,057 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 03:51:31,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:31,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 79 states and 111 transitions. [2023-12-03 03:51:31,161 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-12-03 03:51:31,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-03 03:51:31,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:31,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:31,198 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 03:51:31,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:31,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 117 transitions. [2023-12-03 03:51:31,314 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 117 transitions. [2023-12-03 03:51:31,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 03:51:31,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:31,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:31,347 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 03:51:31,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:31,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 79 states and 111 transitions. [2023-12-03 03:51:31,359 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-12-03 03:51:31,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:51:31,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:31,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:31,391 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 03:51:31,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:31,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 79 states and 110 transitions. [2023-12-03 03:51:31,494 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 110 transitions. [2023-12-03 03:51:31,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 03:51:31,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:31,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:31,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:31,533 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 03:51:31,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:31,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 87 states and 125 transitions. [2023-12-03 03:51:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 125 transitions. [2023-12-03 03:51:31,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-12-03 03:51:31,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:31,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:31,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:31,604 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 03:51:31,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:31,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 86 states and 123 transitions. [2023-12-03 03:51:31,619 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2023-12-03 03:51:31,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:51:31,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:31,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:31,650 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 03:51:31,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:31,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 82 states and 115 transitions. [2023-12-03 03:51:31,668 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 115 transitions. [2023-12-03 03:51:31,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-12-03 03:51:31,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:31,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:31,705 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 03:51:31,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:31,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 79 states and 111 transitions. [2023-12-03 03:51:31,842 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2023-12-03 03:51:31,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-12-03 03:51:31,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:31,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:31,887 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 03:51:31,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:31,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 81 states and 113 transitions. [2023-12-03 03:51:31,908 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2023-12-03 03:51:31,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-03 03:51:31,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:31,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:31,953 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 03:51:32,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 81 states and 112 transitions. [2023-12-03 03:51:32,066 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 112 transitions. [2023-12-03 03:51:32,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:51:32,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:32,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:32,112 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 03:51:32,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:32,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 81 states and 111 transitions. [2023-12-03 03:51:32,244 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 111 transitions. [2023-12-03 03:51:32,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:51:32,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:32,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:32,288 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 03:51:32,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:32,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 84 states and 115 transitions. [2023-12-03 03:51:32,429 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 115 transitions. [2023-12-03 03:51:32,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-12-03 03:51:32,430 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:32,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:32,537 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 03:51:32,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:32,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 87 states and 122 transitions. [2023-12-03 03:51:32,759 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2023-12-03 03:51:32,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 03:51:32,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:32,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:32,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:32,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-03 03:51:32,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:32,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 76 states and 105 transitions. [2023-12-03 03:51:32,979 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 105 transitions. [2023-12-03 03:51:32,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-12-03 03:51:32,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:32,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:32,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:33,025 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 03:51:33,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:33,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 60 states and 76 transitions. [2023-12-03 03:51:33,410 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 76 transitions. [2023-12-03 03:51:33,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-03 03:51:33,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:51:33,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:51:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:51:33,496 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 03:51:33,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:51:33,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 59 states and 75 transitions. [2023-12-03 03:51:33,652 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-12-03 03:51:33,652 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:51:33,652 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2023-12-03 03:51:33,661 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-12-03 03:51:33,930 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:51:33,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:51:33 ImpRootNode [2023-12-03 03:51:33,936 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:51:33,936 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:51:33,936 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:51:33,936 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:51:33,937 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:51:29" (3/4) ... [2023-12-03 03:51:33,939 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:51:33,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-12-03 03:51:33,943 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-12-03 03:51:33,949 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-12-03 03:51:33,950 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-03 03:51:33,950 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-03 03:51:33,951 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:51:33,951 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:51:34,059 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:51:34,060 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:51:34,060 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:51:34,061 INFO L158 Benchmark]: Toolchain (without parser) took 6356.09ms. Allocated memory was 148.9MB in the beginning and 234.9MB in the end (delta: 86.0MB). Free memory was 97.8MB in the beginning and 176.5MB in the end (delta: -78.6MB). Peak memory consumption was 9.1MB. Max. memory is 16.1GB. [2023-12-03 03:51:34,061 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 148.9MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:51:34,062 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1269.11ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 97.5MB in the beginning and 139.1MB in the end (delta: -41.6MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. [2023-12-03 03:51:34,062 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.62ms. Allocated memory is still 195.0MB. Free memory was 139.1MB in the beginning and 136.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:51:34,062 INFO L158 Benchmark]: Boogie Preprocessor took 34.43ms. Allocated memory is still 195.0MB. Free memory was 136.0MB in the beginning and 133.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:51:34,063 INFO L158 Benchmark]: RCFGBuilder took 511.10ms. Allocated memory is still 195.0MB. Free memory was 133.9MB in the beginning and 112.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 03:51:34,063 INFO L158 Benchmark]: CodeCheck took 4343.45ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 112.9MB in the beginning and 182.8MB in the end (delta: -69.8MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2023-12-03 03:51:34,064 INFO L158 Benchmark]: Witness Printer took 123.89ms. Allocated memory is still 234.9MB. Free memory was 182.8MB in the beginning and 176.5MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 03:51:34,065 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 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, 4.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1892 mSDsluCounter, 4434 SdHoareTripleChecker+Invalid, 3.6s 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, 1.1s 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 0.30ms. Allocated memory is still 148.9MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1269.11ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 97.5MB in the beginning and 139.1MB in the end (delta: -41.6MB). Peak memory consumption was 60.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.62ms. Allocated memory is still 195.0MB. Free memory was 139.1MB in the beginning and 136.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.43ms. Allocated memory is still 195.0MB. Free memory was 136.0MB in the beginning and 133.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.10ms. Allocated memory is still 195.0MB. Free memory was 133.9MB in the beginning and 112.9MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 4343.45ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 112.9MB in the beginning and 182.8MB in the end (delta: -69.8MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Witness Printer took 123.89ms. Allocated memory is still 234.9MB. Free memory was 182.8MB in the beginning and 176.5MB 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 03:51:34,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea2e22f9-59c3-443e-98e4-e73e90fce043/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