./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 759110158830039d647b02752c8b7047b00b5e6c24c5532ecb8623c821aa42ca --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:08:45,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:08:45,172 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 23:08:45,182 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:08:45,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:08:45,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:08:45,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:08:45,229 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:08:45,230 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:08:45,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:08:45,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:08:45,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:08:45,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:08:45,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:08:45,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:08:45,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:08:45,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:08:45,242 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 23:08:45,243 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 23:08:45,243 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:08:45,243 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:08:45,244 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:08:45,245 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:08:45,245 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:08:45,246 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:08:45,246 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:45,247 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:08:45,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:08:45,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:08:45,248 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:08:45,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:08:45,249 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:08:45,250 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_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 759110158830039d647b02752c8b7047b00b5e6c24c5532ecb8623c821aa42ca [2023-11-24 23:08:45,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:08:45,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:08:45,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:08:45,595 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:08:45,595 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:08:45,597 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_good.i [2023-11-24 23:08:48,808 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:08:49,294 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:08:49,296 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_10_good.i [2023-11-24 23:08:49,323 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/data/757530c68/661b30daf47b4d5ab942385f63ba04ba/FLAGaf914f3d4 [2023-11-24 23:08:49,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/data/757530c68/661b30daf47b4d5ab942385f63ba04ba [2023-11-24 23:08:49,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:08:49,347 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:08:49,352 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:49,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:08:49,358 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:08:49,358 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:49" (1/1) ... [2023-11-24 23:08:49,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f0348e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:49, skipping insertion in model container [2023-11-24 23:08:49,360 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:08:49" (1/1) ... [2023-11-24 23:08:49,432 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:08:50,752 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:50,769 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:08:50,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:08:51,160 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:51,160 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:51,160 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:51,161 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:51,161 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 23:08:51,169 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:08:51,170 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:51 WrapperNode [2023-11-24 23:08:51,170 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:08:51,173 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:51,173 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:08:51,173 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:08:51,180 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:51" (1/1) ... [2023-11-24 23:08:51,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:51" (1/1) ... [2023-11-24 23:08:51,254 INFO L138 Inliner]: procedures = 503, calls = 86, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2023-11-24 23:08:51,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:08:51,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:08:51,256 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:08:51,256 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:08:51,264 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:51" (1/1) ... [2023-11-24 23:08:51,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:51" (1/1) ... [2023-11-24 23:08:51,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:51" (1/1) ... [2023-11-24 23:08:51,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:51" (1/1) ... [2023-11-24 23:08:51,279 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:51" (1/1) ... [2023-11-24 23:08:51,282 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:51" (1/1) ... [2023-11-24 23:08:51,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:51" (1/1) ... [2023-11-24 23:08:51,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:51" (1/1) ... [2023-11-24 23:08:51,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:08:51,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:08:51,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:08:51,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:08:51,293 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:08:51" (1/1) ... [2023-11-24 23:08:51,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:08:51,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:08:51,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:08:51,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:08:51,384 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-24 23:08:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-24 23:08:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 23:08:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 23:08:51,385 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 23:08:51,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:08:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:08:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:08:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:08:51,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:08:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:08:51,386 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 23:08:51,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:08:51,560 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:08:51,563 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:08:51,798 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:08:51,871 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:08:51,872 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 23:08:51,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:51 BoogieIcfgContainer [2023-11-24 23:08:51,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:08:51,876 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:08:51,876 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:08:51,888 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:08:51,889 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:51" (1/1) ... [2023-11-24 23:08:51,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:08:51,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:51,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 63 states and 83 transitions. [2023-11-24 23:08:51,971 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 83 transitions. [2023-11-24 23:08:51,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:08:51,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:51,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:52,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:52,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:52,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 63 states and 82 transitions. [2023-11-24 23:08:52,416 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 23:08:52,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:08:52,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:52,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:52,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 81 transitions. [2023-11-24 23:08:52,648 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-11-24 23:08:52,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:08:52,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:52,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:52,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:52,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 67 states and 88 transitions. [2023-11-24 23:08:52,886 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-24 23:08:52,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:08:52,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:52,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:53,054 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:53,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:53,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 80 transitions. [2023-11-24 23:08:53,226 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 80 transitions. [2023-11-24 23:08:53,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:08:53,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:53,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:53,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:53,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:53,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 63 states and 82 transitions. [2023-11-24 23:08:53,818 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-24 23:08:53,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:08:53,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:53,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:53,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:54,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:54,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 70 states and 93 transitions. [2023-11-24 23:08:54,281 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2023-11-24 23:08:54,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:08:54,283 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:54,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:54,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:54,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:08:54,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:54,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 74 states and 97 transitions. [2023-11-24 23:08:54,562 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-24 23:08:54,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:08:54,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:54,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:54,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 73 states and 96 transitions. [2023-11-24 23:08:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-11-24 23:08:54,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:08:54,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:54,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:54,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:55,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:55,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 78 states and 104 transitions. [2023-11-24 23:08:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 104 transitions. [2023-11-24 23:08:55,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:08:55,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:55,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:55,051 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:55,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:55,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 74 states and 97 transitions. [2023-11-24 23:08:55,078 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 97 transitions. [2023-11-24 23:08:55,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:08:55,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:55,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:55,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:55,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:55,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 76 states and 99 transitions. [2023-11-24 23:08:55,307 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 99 transitions. [2023-11-24 23:08:55,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 23:08:55,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:55,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:55,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:55,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:55,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 74 states and 95 transitions. [2023-11-24 23:08:55,642 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 95 transitions. [2023-11-24 23:08:55,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:08:55,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:55,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:55,826 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:56,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 73 states and 93 transitions. [2023-11-24 23:08:56,062 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions. [2023-11-24 23:08:56,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-24 23:08:56,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:56,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:56,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:56,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:56,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 59 states and 75 transitions. [2023-11-24 23:08:56,123 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-11-24 23:08:56,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 23:08:56,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:56,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:56,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:56,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:56,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 57 states and 72 transitions. [2023-11-24 23:08:56,249 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2023-11-24 23:08:56,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 23:08:56,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:56,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:56,396 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:56,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:56,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 59 states and 76 transitions. [2023-11-24 23:08:56,532 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2023-11-24 23:08:56,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-24 23:08:56,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:56,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:56,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:56,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:56,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:56,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 62 states and 81 transitions. [2023-11-24 23:08:56,995 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 81 transitions. [2023-11-24 23:08:56,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-24 23:08:56,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:56,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:57,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 65 states and 86 transitions. [2023-11-24 23:08:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2023-11-24 23:08:57,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:08:57,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:57,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:08:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:58,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 75 states and 101 transitions. [2023-11-24 23:08:58,028 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2023-11-24 23:08:58,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-24 23:08:58,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:58,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:58,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 23:08:58,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:58,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 73 states and 97 transitions. [2023-11-24 23:08:58,484 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 97 transitions. [2023-11-24 23:08:58,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:08:58,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:58,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:58,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:58,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 70 states and 92 transitions. [2023-11-24 23:08:58,981 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2023-11-24 23:08:58,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-24 23:08:58,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:58,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:59,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:59,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:08:59,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:59,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 74 states and 96 transitions. [2023-11-24 23:08:59,488 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 96 transitions. [2023-11-24 23:08:59,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:08:59,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:59,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:08:59,599 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 23:08:59,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:08:59,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 72 states and 92 transitions. [2023-11-24 23:08:59,838 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2023-11-24 23:08:59,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-24 23:08:59,839 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:08:59,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:08:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:00,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:00,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 75 states and 98 transitions. [2023-11-24 23:09:00,746 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 98 transitions. [2023-11-24 23:09:00,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 23:09:00,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:00,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:09:01,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:01,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 78 states and 102 transitions. [2023-11-24 23:09:01,473 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 102 transitions. [2023-11-24 23:09:01,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-24 23:09:01,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:09:01,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:09:01,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:09:01,543 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:09:01,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:09:01,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 51 states and 63 transitions. [2023-11-24 23:09:01,577 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 63 transitions. [2023-11-24 23:09:01,578 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:09:01,579 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-11-24 23:09:01,591 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 23:09:01,956 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:09:01,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:09:01 ImpRootNode [2023-11-24 23:09:01,960 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:09:01,961 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:09:01,961 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:09:01,962 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:09:01,962 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:08:51" (3/4) ... [2023-11-24 23:09:01,964 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:09:01,968 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-24 23:09:01,969 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-24 23:09:01,975 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-24 23:09:01,976 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-24 23:09:01,976 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-24 23:09:01,977 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:09:01,977 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:09:02,106 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:09:02,107 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:09:02,107 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:09:02,108 INFO L158 Benchmark]: Toolchain (without parser) took 12760.34ms. Allocated memory was 127.9MB in the beginning and 272.6MB in the end (delta: 144.7MB). Free memory was 87.6MB in the beginning and 171.8MB in the end (delta: -84.2MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2023-11-24 23:09:02,108 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 127.9MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:09:02,109 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1819.78ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 87.4MB in the beginning and 125.0MB in the end (delta: -37.7MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. [2023-11-24 23:09:02,109 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.29ms. Allocated memory is still 188.7MB. Free memory was 125.0MB in the beginning and 121.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:09:02,109 INFO L158 Benchmark]: Boogie Preprocessor took 35.55ms. Allocated memory is still 188.7MB. Free memory was 121.1MB in the beginning and 119.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:09:02,110 INFO L158 Benchmark]: RCFGBuilder took 582.75ms. Allocated memory is still 188.7MB. Free memory was 119.9MB in the beginning and 99.9MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 23:09:02,111 INFO L158 Benchmark]: CodeCheck took 10084.97ms. Allocated memory was 188.7MB in the beginning and 272.6MB in the end (delta: 83.9MB). Free memory was 99.9MB in the beginning and 178.0MB in the end (delta: -78.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2023-11-24 23:09:02,112 INFO L158 Benchmark]: Witness Printer took 146.01ms. Allocated memory is still 272.6MB. Free memory was 178.0MB in the beginning and 171.8MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:09:02,116 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, 63 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 9.7s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4575 SdHoareTripleChecker+Valid, 8.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1888 mSDsluCounter, 4557 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1986 mSDsCounter, 1076 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4299 IncrementalHoareTripleChecker+Invalid, 5375 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1076 mSolverCounterUnsat, 2571 mSDtfsCounter, 4299 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6039 GetRequests, 5862 SyntacticMatches, 15 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12097 ImplicationChecksByTransitivity, 6.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 664 NumberOfCodeBlocks, 664 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 638 ConstructedInterpolants, 0 QuantifiedInterpolants, 1374 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 26 PerfectInterpolantSequences, 126/126 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: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1574]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1606]: 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: 1648]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1648]: 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: 1666]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 127.9MB. Free memory is still 77.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1819.78ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 87.4MB in the beginning and 125.0MB in the end (delta: -37.7MB). Peak memory consumption was 50.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.29ms. Allocated memory is still 188.7MB. Free memory was 125.0MB in the beginning and 121.1MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.55ms. Allocated memory is still 188.7MB. Free memory was 121.1MB in the beginning and 119.9MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.75ms. Allocated memory is still 188.7MB. Free memory was 119.9MB in the beginning and 99.9MB in the end (delta: 20.1MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 10084.97ms. Allocated memory was 188.7MB in the beginning and 272.6MB in the end (delta: 83.9MB). Free memory was 99.9MB in the beginning and 178.0MB in the end (delta: -78.1MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Witness Printer took 146.01ms. Allocated memory is still 272.6MB. Free memory was 178.0MB in the beginning and 171.8MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:09:02,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b83edc3d-4768-45c4-83a2-b96d6546e100/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE