./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV --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 56542e2c6eb76c8887d2541223feac6447670efff3cec9c0e3d78d962713e671 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:02:58,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:02:58,764 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:02:58,775 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:02:58,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:02:58,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:02:58,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:02:58,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:02:58,827 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:02:58,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:02:58,833 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:02:58,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:02:58,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:02:58,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:02:58,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:02:58,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:02:58,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:02:58,839 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:02:58,839 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:02:58,840 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:02:58,840 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:02:58,841 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:02:58,842 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:02:58,843 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:02:58,843 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:02:58,844 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:02:58,844 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:02:58,845 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:02:58,845 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:02:58,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:02:58,847 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:02:58,847 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_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56542e2c6eb76c8887d2541223feac6447670efff3cec9c0e3d78d962713e671 [2023-11-12 00:02:59,180 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:02:59,206 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:02:59,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:02:59,210 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:02:59,211 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:02:59,212 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_17_good.i [2023-11-12 00:03:02,483 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:03:02,918 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:03:02,918 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_17_good.i [2023-11-12 00:03:02,942 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/data/4e648c163/4176d99f80d1447489110198563e33c0/FLAG34d97491e [2023-11-12 00:03:02,959 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/data/4e648c163/4176d99f80d1447489110198563e33c0 [2023-11-12 00:03:02,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:03:02,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:03:02,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:02,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:03:02,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:03:02,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:02" (1/1) ... [2023-11-12 00:03:02,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@208a9eb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:02, skipping insertion in model container [2023-11-12 00:03:02,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:03:02" (1/1) ... [2023-11-12 00:03:03,069 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:03:03,510 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:03:04,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:04,192 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:03:04,223 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-12 00:03:04,308 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:03:04,503 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:04,504 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:04,504 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:04,504 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:04,504 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:04,504 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-12 00:03:04,513 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:03:04,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:04 WrapperNode [2023-11-12 00:03:04,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:03:04,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:04,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:03:04,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:03:04,523 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:04" (1/1) ... [2023-11-12 00:03:04,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:04" (1/1) ... [2023-11-12 00:03:04,624 INFO L138 Inliner]: procedures = 502, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 113 [2023-11-12 00:03:04,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:03:04,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:03:04,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:03:04,626 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:03:04,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:04" (1/1) ... [2023-11-12 00:03:04,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:04" (1/1) ... [2023-11-12 00:03:04,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:04" (1/1) ... [2023-11-12 00:03:04,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:04" (1/1) ... [2023-11-12 00:03:04,651 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:04" (1/1) ... [2023-11-12 00:03:04,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:04" (1/1) ... [2023-11-12 00:03:04,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:04" (1/1) ... [2023-11-12 00:03:04,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:04" (1/1) ... [2023-11-12 00:03:04,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:03:04,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:03:04,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:03:04,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:03:04,673 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:03:04" (1/1) ... [2023-11-12 00:03:04,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:03:04,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:03:04,708 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:03:04,749 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-12 00:03:04,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:03:04,750 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-12 00:03:04,750 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-12 00:03:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-12 00:03:04,751 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-12 00:03:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 00:03:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-12 00:03:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 00:03:04,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:03:04,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:03:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 00:03:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-12 00:03:04,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 00:03:04,925 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:03:04,927 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:03:05,174 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:03:05,249 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:03:05,249 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-12 00:03:05,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:05 BoogieIcfgContainer [2023-11-12 00:03:05,253 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:03:05,256 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:03:05,256 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:03:05,267 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:03:05,267 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:05" (1/1) ... [2023-11-12 00:03:05,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:03:05,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:05,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2023-11-12 00:03:05,331 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2023-11-12 00:03:05,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:03:05,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:05,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:05,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:05,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 49 states and 59 transitions. [2023-11-12 00:03:05,667 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2023-11-12 00:03:05,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 00:03:05,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:05,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:05,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:05,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:05,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2023-11-12 00:03:05,898 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2023-11-12 00:03:05,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 00:03:05,899 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:05,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:06,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:06,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:06,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2023-11-12 00:03:06,046 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2023-11-12 00:03:06,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-12 00:03:06,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:06,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-12 00:03:06,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:06,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 54 states and 66 transitions. [2023-11-12 00:03:06,213 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2023-11-12 00:03:06,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:03:06,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:06,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:06,349 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:06,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:06,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2023-11-12 00:03:06,687 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-12 00:03:06,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:03:06,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:06,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:06,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:03:06,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:06,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2023-11-12 00:03:06,908 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2023-11-12 00:03:06,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:03:06,909 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:06,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:06,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:07,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:03:07,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:07,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 81 transitions. [2023-11-12 00:03:07,195 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 81 transitions. [2023-11-12 00:03:07,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 00:03:07,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:07,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:07,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:03:07,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:07,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 62 states and 80 transitions. [2023-11-12 00:03:07,390 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 80 transitions. [2023-11-12 00:03:07,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:03:07,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:07,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:07,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:07,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:03:07,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:07,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 50 states and 61 transitions. [2023-11-12 00:03:07,738 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 61 transitions. [2023-11-12 00:03:07,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-12 00:03:07,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:07,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:07,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:07,816 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:03:07,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:07,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 54 states and 68 transitions. [2023-11-12 00:03:07,875 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-12 00:03:07,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 00:03:07,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:07,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:07,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:03:07,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:07,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 55 states and 70 transitions. [2023-11-12 00:03:07,944 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 70 transitions. [2023-11-12 00:03:07,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-12 00:03:07,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:07,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:07,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:07,996 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:03:08,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:08,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 59 states and 75 transitions. [2023-11-12 00:03:08,309 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 75 transitions. [2023-11-12 00:03:08,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:03:08,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:08,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:08,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:03:08,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:08,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 61 states and 78 transitions. [2023-11-12 00:03:08,568 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2023-11-12 00:03:08,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-12 00:03:08,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:08,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:08,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:08,666 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-12 00:03:08,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:08,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 62 states and 79 transitions. [2023-11-12 00:03:08,858 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2023-11-12 00:03:08,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:03:08,859 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:08,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:08,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:03:08,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:08,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 63 states and 80 transitions. [2023-11-12 00:03:08,937 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2023-11-12 00:03:08,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-12 00:03:08,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:08,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:09,072 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:03:09,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:09,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 59 states and 74 transitions. [2023-11-12 00:03:09,214 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 74 transitions. [2023-11-12 00:03:09,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 00:03:09,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:09,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:09,283 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:03:09,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:09,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 44 states and 51 transitions. [2023-11-12 00:03:09,477 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2023-11-12 00:03:09,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 00:03:09,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:09,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:09,642 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:03:10,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:10,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 46 states and 55 transitions. [2023-11-12 00:03:10,153 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2023-11-12 00:03:10,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-12 00:03:10,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:10,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:10,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-12 00:03:10,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:10,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 47 states and 56 transitions. [2023-11-12 00:03:10,228 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2023-11-12 00:03:10,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 00:03:10,228 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:10,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:10,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:10,386 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:03:10,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:10,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 53 states and 65 transitions. [2023-11-12 00:03:10,983 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2023-11-12 00:03:10,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-12 00:03:10,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:10,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:11,050 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:03:11,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:11,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 54 states and 67 transitions. [2023-11-12 00:03:11,071 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2023-11-12 00:03:11,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-12 00:03:11,072 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:11,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:11,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:11,199 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-12 00:03:11,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:11,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 68 transitions. [2023-11-12 00:03:11,485 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2023-11-12 00:03:11,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-12 00:03:11,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:03:11,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:03:11,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:03:11,580 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-12 00:03:11,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:03:11,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 42 states and 49 transitions. [2023-11-12 00:03:11,833 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 49 transitions. [2023-11-12 00:03:11,833 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 00:03:11,833 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 24 iterations. [2023-11-12 00:03:11,842 INFO L753 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2023-11-12 00:03:11,947 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-11-12 00:03:11,957 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:03:11,957 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:03:11,957 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:03:11,957 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-12 00:03:11,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 12.11 12:03:11 ImpRootNode [2023-11-12 00:03:11,959 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-12 00:03:11,960 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 00:03:11,960 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 00:03:11,961 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 00:03:11,961 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:03:05" (3/4) ... [2023-11-12 00:03:11,969 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 00:03:11,972 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-12 00:03:11,974 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-12 00:03:11,982 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 28 nodes and edges [2023-11-12 00:03:11,982 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2023-11-12 00:03:11,983 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 00:03:11,983 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 00:03:12,111 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-12 00:03:12,112 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-12 00:03:12,112 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 00:03:12,113 INFO L158 Benchmark]: Toolchain (without parser) took 9145.80ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 95.5MB in the beginning and 52.2MB in the end (delta: 43.3MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. [2023-11-12 00:03:12,113 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 00:03:12,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1542.94ms. Allocated memory is still 140.5MB. Free memory was 95.5MB in the beginning and 87.3MB in the end (delta: 8.2MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2023-11-12 00:03:12,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.16ms. Allocated memory is still 140.5MB. Free memory was 87.3MB in the beginning and 83.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:03:12,114 INFO L158 Benchmark]: Boogie Preprocessor took 45.47ms. Allocated memory is still 140.5MB. Free memory was 83.9MB in the beginning and 82.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 00:03:12,115 INFO L158 Benchmark]: RCFGBuilder took 581.22ms. Allocated memory is still 140.5MB. Free memory was 82.2MB in the beginning and 63.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 00:03:12,115 INFO L158 Benchmark]: CodeCheck took 6703.45ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 63.4MB in the beginning and 58.5MB in the end (delta: 4.9MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. [2023-11-12 00:03:12,116 INFO L158 Benchmark]: Witness Printer took 152.63ms. Allocated memory is still 180.4MB. Free memory was 58.5MB in the beginning and 52.2MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 00:03:12,118 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, 48 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 6.5s, OverallIterations: 24, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1809 SdHoareTripleChecker+Valid, 5.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 690 mSDsluCounter, 1067 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 328 mSDsCounter, 767 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2896 IncrementalHoareTripleChecker+Invalid, 3663 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 767 mSolverCounterUnsat, 739 mSDtfsCounter, 2896 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3668 GetRequests, 3555 SyntacticMatches, 7 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3795 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 484 NumberOfCodeBlocks, 484 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 461 ConstructedInterpolants, 0 QuantifiedInterpolants, 721 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 17 PerfectInterpolantSequences, 84/90 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: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1571]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1567]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1586]: Loop Invariant Derived loop invariant: (((1 <= h) && (data == 2)) || (h == 0)) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1567]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1609]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1590]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 109.1MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1542.94ms. Allocated memory is still 140.5MB. Free memory was 95.5MB in the beginning and 87.3MB in the end (delta: 8.2MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.16ms. Allocated memory is still 140.5MB. Free memory was 87.3MB in the beginning and 83.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.47ms. Allocated memory is still 140.5MB. Free memory was 83.9MB in the beginning and 82.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 581.22ms. Allocated memory is still 140.5MB. Free memory was 82.2MB in the beginning and 63.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 6703.45ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 63.4MB in the beginning and 58.5MB in the end (delta: 4.9MB). Peak memory consumption was 46.3MB. Max. memory is 16.1GB. * Witness Printer took 152.63ms. Allocated memory is still 180.4MB. Free memory was 58.5MB in the beginning and 52.2MB in the end (delta: 6.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-12 00:03:12,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6881849-2217-4d65-a358-754c11e8a667/bin/ukojak-verify-0OAaufAVZV/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