./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC --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 d1d89b0a6f308c0835417eb3fd4c3f2dd7dabee0c4466c9a1bf03d4a4c2a2e75 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:17:46,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:17:46,593 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:17:46,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:17:46,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:17:46,640 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:17:46,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:17:46,643 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:17:46,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:17:46,649 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:17:46,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:17:46,651 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:17:46,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:17:46,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:17:46,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:17:46,654 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:17:46,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:17:46,655 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:17:46,656 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:17:46,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:17:46,657 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:17:46,658 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:17:46,658 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:17:46,659 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:17:46,659 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:17:46,660 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:46,660 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:17:46,661 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:17:46,661 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:17:46,662 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:17:46,663 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:17:46,663 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:17:46,664 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_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d1d89b0a6f308c0835417eb3fd4c3f2dd7dabee0c4466c9a1bf03d4a4c2a2e75 [2023-11-23 20:17:46,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:17:47,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:17:47,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:17:47,015 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:17:47,016 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:17:47,017 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_good.i [2023-11-23 20:17:50,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:17:50,507 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:17:50,508 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_04_good.i [2023-11-23 20:17:50,548 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/data/e01063c89/72876de1192f4155adde40955554fd25/FLAGdea2192ed [2023-11-23 20:17:50,566 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/data/e01063c89/72876de1192f4155adde40955554fd25 [2023-11-23 20:17:50,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:17:50,571 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:17:50,578 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:50,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:17:50,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:17:50,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:50" (1/1) ... [2023-11-23 20:17:50,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143ee8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:50, skipping insertion in model container [2023-11-23 20:17:50,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:17:50" (1/1) ... [2023-11-23 20:17:50,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:17:51,088 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:17:51,804 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:51,817 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:17:51,841 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:17:51,927 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:17:52,119 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:52,119 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:52,119 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:52,119 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:52,120 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:52,120 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:17:52,131 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:17:52,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:52 WrapperNode [2023-11-23 20:17:52,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:17:52,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:52,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:17:52,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:17:52,143 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:52" (1/1) ... [2023-11-23 20:17:52,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:52" (1/1) ... [2023-11-23 20:17:52,249 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2023-11-23 20:17:52,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:17:52,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:17:52,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:17:52,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:17:52,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:52" (1/1) ... [2023-11-23 20:17:52,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:52" (1/1) ... [2023-11-23 20:17:52,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:52" (1/1) ... [2023-11-23 20:17:52,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:52" (1/1) ... [2023-11-23 20:17:52,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:52" (1/1) ... [2023-11-23 20:17:52,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:52" (1/1) ... [2023-11-23 20:17:52,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:52" (1/1) ... [2023-11-23 20:17:52,283 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:52" (1/1) ... [2023-11-23 20:17:52,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:17:52,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:17:52,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:17:52,288 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:17:52,289 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:17:52" (1/1) ... [2023-11-23 20:17:52,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:17:52,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:17:52,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:17:52,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:17:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-23 20:17:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-23 20:17:52,376 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:17:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:17:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:17:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:17:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:17:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:17:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:17:52,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:17:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:17:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:17:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:17:52,575 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:17:52,577 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:17:52,808 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:17:52,865 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:17:52,865 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 20:17:52,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:52 BoogieIcfgContainer [2023-11-23 20:17:52,867 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:17:52,873 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:17:52,873 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:17:52,884 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:17:52,885 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:52" (1/1) ... [2023-11-23 20:17:52,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:17:52,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:52,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2023-11-23 20:17:52,963 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-23 20:17:52,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:17:52,968 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:52,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:53,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:53,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:53,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 76 transitions. [2023-11-23 20:17:53,400 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-23 20:17:53,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:17:53,401 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:53,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:53,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:53,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:53,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 82 transitions. [2023-11-23 20:17:53,595 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-23 20:17:53,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:17:53,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:53,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:53,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:53,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 60 states and 81 transitions. [2023-11-23 20:17:53,790 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2023-11-23 20:17:53,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:17:53,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:53,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:53,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:54,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:54,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 74 transitions. [2023-11-23 20:17:54,077 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-23 20:17:54,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:17:54,080 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:54,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:54,183 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:54,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:54,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 57 states and 76 transitions. [2023-11-23 20:17:54,586 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-23 20:17:54,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:17:54,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:54,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:54,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:54,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 63 states and 86 transitions. [2023-11-23 20:17:54,989 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2023-11-23 20:17:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:17:54,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:54,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:55,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:55,029 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:55,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:55,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 80 transitions. [2023-11-23 20:17:55,060 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-23 20:17:55,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:17:55,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:55,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:55,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:55,163 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:55,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:55,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 64 states and 87 transitions. [2023-11-23 20:17:55,216 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-11-23 20:17:55,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:17:55,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:55,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:55,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:55,260 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:55,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 63 states and 84 transitions. [2023-11-23 20:17:55,472 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-11-23 20:17:55,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:17:55,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:55,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:55,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:55,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:17:55,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:55,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 88 transitions. [2023-11-23 20:17:55,740 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-23 20:17:55,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:17:55,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:55,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:55,816 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:55,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:55,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 87 transitions. [2023-11-23 20:17:55,911 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2023-11-23 20:17:55,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:17:55,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:55,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:55,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:56,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:56,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 89 transitions. [2023-11-23 20:17:56,082 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2023-11-23 20:17:56,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:17:56,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:56,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:56,198 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:56,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:56,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 67 states and 87 transitions. [2023-11-23 20:17:56,387 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2023-11-23 20:17:56,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:17:56,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:56,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:56,431 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:56,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:56,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 54 states and 70 transitions. [2023-11-23 20:17:56,454 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-23 20:17:56,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:17:56,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:56,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:56,546 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:56,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:56,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 52 states and 67 transitions. [2023-11-23 20:17:56,621 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-23 20:17:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:17:56,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:56,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:56,721 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:56,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:56,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 54 states and 71 transitions. [2023-11-23 20:17:56,779 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-23 20:17:56,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:17:56,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:56,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:56,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:56,861 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:56,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:56,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 55 states and 72 transitions. [2023-11-23 20:17:56,885 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-11-23 20:17:56,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:17:56,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:56,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:56,967 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:17:57,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:57,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 64 states and 86 transitions. [2023-11-23 20:17:57,640 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2023-11-23 20:17:57,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:17:57,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:57,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:57,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:57,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:57,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 67 states and 90 transitions. [2023-11-23 20:17:57,970 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2023-11-23 20:17:57,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:17:57,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:57,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:58,021 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:17:58,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:58,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 70 states and 94 transitions. [2023-11-23 20:17:58,308 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2023-11-23 20:17:58,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:17:58,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:58,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:58,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:58,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:58,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 63 states and 82 transitions. [2023-11-23 20:17:58,705 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-23 20:17:58,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:17:58,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:58,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:58,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:17:59,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:59,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 67 states and 88 transitions. [2023-11-23 20:17:59,065 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-23 20:17:59,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-23 20:17:59,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:59,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:59,108 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:59,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:59,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 71 states and 92 transitions. [2023-11-23 20:17:59,441 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2023-11-23 20:17:59,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:17:59,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:59,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:59,589 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:59,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:59,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 76 states and 100 transitions. [2023-11-23 20:17:59,670 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2023-11-23 20:17:59,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-23 20:17:59,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:59,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:59,712 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:59,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:59,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 70 states and 91 transitions. [2023-11-23 20:17:59,802 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2023-11-23 20:17:59,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:17:59,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:59,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:59,845 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:17:59,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:59,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 48 states and 60 transitions. [2023-11-23 20:17:59,869 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-23 20:17:59,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-23 20:17:59,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:17:59,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:17:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:17:59,958 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:17:59,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:17:59,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 47 states and 59 transitions. [2023-11-23 20:17:59,985 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-23 20:17:59,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:17:59,988 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2023-11-23 20:18:00,001 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-23 20:18:00,305 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:18:00,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:18:00 ImpRootNode [2023-11-23 20:18:00,310 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:18:00,311 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:18:00,311 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:18:00,311 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:18:00,312 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:17:52" (3/4) ... [2023-11-23 20:18:00,314 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:18:00,318 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-23 20:18:00,318 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-23 20:18:00,324 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-23 20:18:00,325 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-23 20:18:00,325 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-23 20:18:00,326 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:18:00,326 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:18:00,466 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:18:00,467 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:18:00,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:18:00,468 INFO L158 Benchmark]: Toolchain (without parser) took 9897.13ms. Allocated memory was 151.0MB in the beginning and 220.2MB in the end (delta: 69.2MB). Free memory was 114.8MB in the beginning and 83.8MB in the end (delta: 31.0MB). Peak memory consumption was 100.5MB. Max. memory is 16.1GB. [2023-11-23 20:18:00,468 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:18:00,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1554.12ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 114.2MB in the beginning and 142.2MB in the end (delta: -28.0MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2023-11-23 20:18:00,469 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.92ms. Allocated memory is still 182.5MB. Free memory was 142.2MB in the beginning and 139.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:00,469 INFO L158 Benchmark]: Boogie Preprocessor took 36.17ms. Allocated memory is still 182.5MB. Free memory was 139.9MB in the beginning and 137.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:18:00,470 INFO L158 Benchmark]: RCFGBuilder took 579.71ms. Allocated memory is still 182.5MB. Free memory was 137.9MB in the beginning and 118.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-23 20:18:00,470 INFO L158 Benchmark]: CodeCheck took 7437.48ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 118.0MB in the beginning and 90.1MB in the end (delta: 27.9MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2023-11-23 20:18:00,470 INFO L158 Benchmark]: Witness Printer took 156.11ms. Allocated memory is still 220.2MB. Free memory was 90.1MB in the beginning and 83.8MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 20:18:00,473 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 7.1s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4316 SdHoareTripleChecker+Valid, 8.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1903 mSDsluCounter, 3948 SdHoareTripleChecker+Invalid, 6.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1545 mSDsCounter, 1104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4826 IncrementalHoareTripleChecker+Invalid, 5930 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1104 mSolverCounterUnsat, 2403 mSDtfsCounter, 4826 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6461 GetRequests, 6309 SyntacticMatches, 12 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9481 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 653 NumberOfCodeBlocks, 653 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 626 ConstructedInterpolants, 0 QuantifiedInterpolants, 1349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 132/132 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1664]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 151.0MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1554.12ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 114.2MB in the beginning and 142.2MB in the end (delta: -28.0MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.92ms. Allocated memory is still 182.5MB. Free memory was 142.2MB in the beginning and 139.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.17ms. Allocated memory is still 182.5MB. Free memory was 139.9MB in the beginning and 137.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 579.71ms. Allocated memory is still 182.5MB. Free memory was 137.9MB in the beginning and 118.0MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 7437.48ms. Allocated memory was 182.5MB in the beginning and 220.2MB in the end (delta: 37.7MB). Free memory was 118.0MB in the beginning and 90.1MB in the end (delta: 27.9MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. * Witness Printer took 156.11ms. Allocated memory is still 220.2MB. Free memory was 90.1MB in the beginning and 83.8MB 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! [2023-11-23 20:18:00,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9edd07a2-9408-44dd-b990-e4b66a63f032/bin/ukojak-verify-1t5iHCbJaC/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