./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_09_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_09_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL --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 7d6be2f630bd3caa5e142e467ea79906f7b98c50afc6c846fb475bfdf0fb5aae --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:06:25,251 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:06:25,322 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:06:25,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:06:25,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:06:25,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:06:25,377 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:06:25,377 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:06:25,378 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:06:25,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:06:25,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:06:25,380 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:06:25,381 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:06:25,381 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:06:25,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:06:25,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:06:25,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:06:25,384 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:06:25,384 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:06:25,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:06:25,385 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:06:25,386 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:06:25,386 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:06:25,387 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:06:25,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:06:25,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:25,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:06:25,389 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:06:25,389 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:06:25,390 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:06:25,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:06:25,390 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:06:25,391 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_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d6be2f630bd3caa5e142e467ea79906f7b98c50afc6c846fb475bfdf0fb5aae [2023-11-19 03:06:25,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:06:25,736 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:06:25,739 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:06:25,740 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:06:25,741 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:06:25,742 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_09_good.i [2023-11-19 03:06:28,799 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:06:29,274 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:06:29,278 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_sub_09_good.i [2023-11-19 03:06:29,317 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/data/2a5370fc1/f5f1898cf2d04b009e9a15849243db31/FLAG81ae206ec [2023-11-19 03:06:29,341 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/data/2a5370fc1/f5f1898cf2d04b009e9a15849243db31 [2023-11-19 03:06:29,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:06:29,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:06:29,354 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:29,355 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:06:29,359 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:06:29,362 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:29" (1/1) ... [2023-11-19 03:06:29,363 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de790d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:29, skipping insertion in model container [2023-11-19 03:06:29,364 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:06:29" (1/1) ... [2023-11-19 03:06:29,435 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:06:29,852 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:06:30,350 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:30,362 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:06:30,385 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:06:30,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:06:30,657 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:30,657 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:30,657 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:30,658 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:30,658 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:30,658 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:06:30,666 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:06:30,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30 WrapperNode [2023-11-19 03:06:30,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:06:30,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:30,668 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:06:30,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:06:30,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,755 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2023-11-19 03:06:30,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:06:30,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:06:30,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:06:30,759 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:06:30,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,791 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,791 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,798 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,836 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,840 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,843 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:06:30,844 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:06:30,844 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:06:30,844 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:06:30,845 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:06:30" (1/1) ... [2023-11-19 03:06:30,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:06:30,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:06:30,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:06:30,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:06:30,930 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-19 03:06:30,930 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-19 03:06:30,930 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:06:30,930 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:06:30,930 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:06:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:06:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:06:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:06:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:06:30,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:06:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:06:30,931 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:06:30,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:06:31,091 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:06:31,093 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:06:31,293 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:06:31,337 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:06:31,337 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:06:31,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:31 BoogieIcfgContainer [2023-11-19 03:06:31,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:06:31,344 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:06:31,344 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:06:31,354 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:06:31,355 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:31" (1/1) ... [2023-11-19 03:06:31,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:06:31,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2023-11-19 03:06:31,420 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-19 03:06:31,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:06:31,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:31,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:31,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:31,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 76 transitions. [2023-11-19 03:06:31,783 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-19 03:06:31,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 03:06:31,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:31,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:31,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:31,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:31,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 56 states and 75 transitions. [2023-11-19 03:06:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 75 transitions. [2023-11-19 03:06:31,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:06:31,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:31,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:32,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:32,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:32,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 82 transitions. [2023-11-19 03:06:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-19 03:06:32,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 03:06:32,109 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:32,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:32,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:32,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:32,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 55 states and 74 transitions. [2023-11-19 03:06:32,285 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-19 03:06:32,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:06:32,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:32,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:32,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:32,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 57 states and 76 transitions. [2023-11-19 03:06:32,715 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-19 03:06:32,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:06:32,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:32,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:33,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:33,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 63 states and 86 transitions. [2023-11-19 03:06:33,110 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2023-11-19 03:06:33,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:06:33,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:33,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:33,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:33,196 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 60 states and 80 transitions. [2023-11-19 03:06:33,225 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-19 03:06:33,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:06:33,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:33,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:33,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:33,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:33,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:33,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 59 states and 79 transitions. [2023-11-19 03:06:33,382 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 79 transitions. [2023-11-19 03:06:33,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:06:33,383 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:33,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:33,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:33,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:33,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 64 states and 87 transitions. [2023-11-19 03:06:33,611 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-11-19 03:06:33,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:06:33,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:33,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:33,663 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:33,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:33,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 63 states and 84 transitions. [2023-11-19 03:06:33,901 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-11-19 03:06:33,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:06:33,902 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:33,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:33,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:06:34,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:34,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 67 states and 88 transitions. [2023-11-19 03:06:34,072 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-19 03:06:34,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:06:34,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:34,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:34,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:34,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 69 states and 90 transitions. [2023-11-19 03:06:34,232 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2023-11-19 03:06:34,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:06:34,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:34,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:34,323 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:34,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:34,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 68 states and 88 transitions. [2023-11-19 03:06:34,483 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2023-11-19 03:06:34,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:06:34,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:34,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:34,539 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:34,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:34,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 67 states and 86 transitions. [2023-11-19 03:06:34,601 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2023-11-19 03:06:34,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:06:34,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:34,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:34,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:34,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:34,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 52 states and 67 transitions. [2023-11-19 03:06:34,681 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-19 03:06:34,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-19 03:06:34,682 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:34,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:34,782 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:34,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:34,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 54 states and 71 transitions. [2023-11-19 03:06:34,839 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-19 03:06:34,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 03:06:34,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:34,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:34,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:34,944 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:35,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:35,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 57 states and 76 transitions. [2023-11-19 03:06:35,064 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-19 03:06:35,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:06:35,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:35,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:35,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:35,117 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:06:35,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:35,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 66 states and 90 transitions. [2023-11-19 03:06:35,762 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2023-11-19 03:06:35,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:06:35,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:35,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:35,816 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:36,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:36,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 69 states and 94 transitions. [2023-11-19 03:06:36,114 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions. [2023-11-19 03:06:36,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:06:36,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:36,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:36,175 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 03:06:36,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:36,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 72 states and 98 transitions. [2023-11-19 03:06:36,494 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 98 transitions. [2023-11-19 03:06:36,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:06:36,495 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:36,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:36,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:36,558 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:36,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:36,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 65 states and 86 transitions. [2023-11-19 03:06:36,756 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 86 transitions. [2023-11-19 03:06:36,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:06:36,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:36,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:36,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:06:37,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:37,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 69 states and 92 transitions. [2023-11-19 03:06:37,005 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 92 transitions. [2023-11-19 03:06:37,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:06:37,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:37,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:37,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:37,050 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:37,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:37,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 73 states and 96 transitions. [2023-11-19 03:06:37,246 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 96 transitions. [2023-11-19 03:06:37,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:06:37,246 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:37,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:37,363 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:37,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:37,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 76 states and 102 transitions. [2023-11-19 03:06:37,606 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 102 transitions. [2023-11-19 03:06:37,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:06:37,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:37,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:37,652 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:06:37,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:37,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 48 states and 60 transitions. [2023-11-19 03:06:37,996 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-19 03:06:37,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:06:37,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:06:37,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:06:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:06:38,112 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:06:38,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:06:38,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 47 states and 59 transitions. [2023-11-19 03:06:38,274 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-19 03:06:38,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 03:06:38,275 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2023-11-19 03:06:38,283 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-19 03:06:38,599 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 03:06:38,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:06:38 ImpRootNode [2023-11-19 03:06:38,605 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:06:38,605 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:06:38,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:06:38,606 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:06:38,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:06:31" (3/4) ... [2023-11-19 03:06:38,610 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 03:06:38,619 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-19 03:06:38,620 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-19 03:06:38,628 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-19 03:06:38,629 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 03:06:38,629 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 03:06:38,630 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:06:38,630 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 03:06:38,760 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 03:06:38,760 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 03:06:38,761 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:06:38,762 INFO L158 Benchmark]: Toolchain (without parser) took 9411.72ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 147.8MB in the beginning and 84.9MB in the end (delta: 62.9MB). Peak memory consumption was 100.4MB. Max. memory is 16.1GB. [2023-11-19 03:06:38,762 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:06:38,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1313.21ms. Allocated memory is still 180.4MB. Free memory was 147.8MB in the beginning and 82.7MB in the end (delta: 65.2MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-19 03:06:38,763 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.04ms. Allocated memory is still 180.4MB. Free memory was 82.7MB in the beginning and 145.4MB in the end (delta: -62.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:06:38,763 INFO L158 Benchmark]: Boogie Preprocessor took 84.13ms. Allocated memory is still 180.4MB. Free memory was 145.4MB in the beginning and 144.1MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:06:38,764 INFO L158 Benchmark]: RCFGBuilder took 499.38ms. Allocated memory is still 180.4MB. Free memory was 144.1MB in the beginning and 124.4MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 03:06:38,764 INFO L158 Benchmark]: CodeCheck took 7260.98ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 124.4MB in the beginning and 90.2MB in the end (delta: 34.2MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. [2023-11-19 03:06:38,765 INFO L158 Benchmark]: Witness Printer took 155.62ms. Allocated memory is still 218.1MB. Free memory was 90.2MB in the beginning and 84.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 03:06:38,767 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: 6.9s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4182 SdHoareTripleChecker+Valid, 6.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1749 mSDsluCounter, 3768 SdHoareTripleChecker+Invalid, 5.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1494 mSDsCounter, 1058 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4501 IncrementalHoareTripleChecker+Invalid, 5559 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1058 mSolverCounterUnsat, 2274 mSDtfsCounter, 4501 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6196 GetRequests, 6040 SyntacticMatches, 14 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9624 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 624 NumberOfCodeBlocks, 624 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 598 ConstructedInterpolants, 0 QuantifiedInterpolants, 1276 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: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1645]: 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: 1662]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1313.21ms. Allocated memory is still 180.4MB. Free memory was 147.8MB in the beginning and 82.7MB in the end (delta: 65.2MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.04ms. Allocated memory is still 180.4MB. Free memory was 82.7MB in the beginning and 145.4MB in the end (delta: -62.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.13ms. Allocated memory is still 180.4MB. Free memory was 145.4MB in the beginning and 144.1MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 499.38ms. Allocated memory is still 180.4MB. Free memory was 144.1MB in the beginning and 124.4MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 7260.98ms. Allocated memory was 180.4MB in the beginning and 218.1MB in the end (delta: 37.7MB). Free memory was 124.4MB in the beginning and 90.2MB in the end (delta: 34.2MB). Peak memory consumption was 74.1MB. Max. memory is 16.1GB. * Witness Printer took 155.62ms. Allocated memory is still 218.1MB. Free memory was 90.2MB in the beginning and 84.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 03:06:38,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9be0f88a-c65a-4b03-8434-4106392e5ca4/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE