./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_04_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_a0d0af99-b721-41b8-9e8e-84f7b476d51d/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0af99-b721-41b8-9e8e-84f7b476d51d/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_a0d0af99-b721-41b8-9e8e-84f7b476d51d/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0af99-b721-41b8-9e8e-84f7b476d51d/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0af99-b721-41b8-9e8e-84f7b476d51d/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_a0d0af99-b721-41b8-9e8e-84f7b476d51d/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 8d4a305149594eff1f42b32d8ace94496fc7321faccca31d695f0efbddd300a6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:55:28,731 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:55:28,858 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0af99-b721-41b8-9e8e-84f7b476d51d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:55:28,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:55:28,867 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:55:28,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:55:28,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:55:28,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:55:28,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:55:28,918 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:55:28,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:55:28,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:55:28,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:55:28,922 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:55:28,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:55:28,923 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:55:28,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:55:28,924 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:55:28,925 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:55:28,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:55:28,926 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:55:28,927 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:55:28,927 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:55:28,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:55:28,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:28,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:55:28,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:55:28,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:55:28,930 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:55:28,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:55:28,932 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:55:28,932 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_a0d0af99-b721-41b8-9e8e-84f7b476d51d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0af99-b721-41b8-9e8e-84f7b476d51d/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d4a305149594eff1f42b32d8ace94496fc7321faccca31d695f0efbddd300a6 [2023-11-11 23:55:29,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:55:29,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:55:29,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:55:29,262 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:55:29,262 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:55:29,264 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0af99-b721-41b8-9e8e-84f7b476d51d/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_04_good.i [2023-11-11 23:55:32,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:55:32,873 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:55:32,874 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0af99-b721-41b8-9e8e-84f7b476d51d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_04_good.i [2023-11-11 23:55:32,908 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0af99-b721-41b8-9e8e-84f7b476d51d/bin/ukojak-verify-0OAaufAVZV/data/ea0b75953/2153f11f1dbd4910b7b8aed09de9efee/FLAGd59e5d857 [2023-11-11 23:55:32,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0af99-b721-41b8-9e8e-84f7b476d51d/bin/ukojak-verify-0OAaufAVZV/data/ea0b75953/2153f11f1dbd4910b7b8aed09de9efee [2023-11-11 23:55:32,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:55:32,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:55:32,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:32,943 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:55:32,948 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:55:32,949 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:32" (1/1) ... [2023-11-11 23:55:32,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d0806e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:32, skipping insertion in model container [2023-11-11 23:55:32,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:55:32" (1/1) ... [2023-11-11 23:55:33,058 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:55:33,509 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:34,100 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:34,120 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:55:34,166 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:55:34,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:55:34,436 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:34,436 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:34,437 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:34,437 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:34,437 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:34,437 WARN L672 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:55:34,446 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:55:34,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34 WrapperNode [2023-11-11 23:55:34,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:55:34,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:34,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:55:34,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:55:34,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,495 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,551 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 126 [2023-11-11 23:55:34,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:55:34,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:55:34,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:55:34,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:55:34,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,589 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:55:34,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:55:34,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:55:34,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:55:34,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:55:34" (1/1) ... [2023-11-11 23:55:34,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:55:34,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0af99-b721-41b8-9e8e-84f7b476d51d/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:55:34,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0af99-b721-41b8-9e8e-84f7b476d51d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:55:34,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0af99-b721-41b8-9e8e-84f7b476d51d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:55:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:55:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:55:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-11 23:55:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:55:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:55:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:55:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-11 23:55:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:55:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:55:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:55:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-11 23:55:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:55:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:55:34,878 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:55:34,880 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:55:35,101 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:55:35,142 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:55:35,148 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-11 23:55:35,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:35 BoogieIcfgContainer [2023-11-11 23:55:35,151 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:55:35,153 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:55:35,153 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:55:35,163 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:55:35,163 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:35" (1/1) ... [2023-11-11 23:55:35,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:55:35,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:35,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2023-11-11 23:55:35,250 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-11 23:55:35,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:55:35,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:35,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:35,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:35,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:35,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 76 transitions. [2023-11-11 23:55:35,704 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-11 23:55:35,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:55:35,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:35,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:35,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 82 transitions. [2023-11-11 23:55:35,902 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-11 23:55:35,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:55:35,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:35,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:35,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:35,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:36,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:36,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 60 states and 81 transitions. [2023-11-11 23:55:36,048 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2023-11-11 23:55:36,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:55:36,049 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:36,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:36,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:36,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:36,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 74 transitions. [2023-11-11 23:55:36,306 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-11 23:55:36,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:55:36,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:36,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:36,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:36,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:36,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 57 states and 76 transitions. [2023-11-11 23:55:36,833 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-11 23:55:36,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:55:36,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:36,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:36,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:37,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:37,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 63 states and 86 transitions. [2023-11-11 23:55:37,313 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2023-11-11 23:55:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:55:37,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:37,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:37,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:37,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:37,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:37,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 80 transitions. [2023-11-11 23:55:37,406 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-11 23:55:37,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:55:37,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:37,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:37,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:37,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 64 states and 87 transitions. [2023-11-11 23:55:37,722 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-11-11 23:55:37,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:55:37,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:37,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:37,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:37,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:38,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:38,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 63 states and 84 transitions. [2023-11-11 23:55:38,038 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-11-11 23:55:38,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:55:38,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:38,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:38,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:55:38,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:38,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 88 transitions. [2023-11-11 23:55:38,369 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-11 23:55:38,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:55:38,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:38,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:38,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 87 transitions. [2023-11-11 23:55:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2023-11-11 23:55:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:55:38,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:38,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:38,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:38,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:38,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 89 transitions. [2023-11-11 23:55:38,802 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2023-11-11 23:55:38,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:55:38,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:38,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:38,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:39,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 67 states and 87 transitions. [2023-11-11 23:55:39,178 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2023-11-11 23:55:39,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:55:39,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:39,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:39,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:39,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:39,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 54 states and 70 transitions. [2023-11-11 23:55:39,248 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-11 23:55:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:55:39,249 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:39,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:39,307 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:39,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:39,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 52 states and 67 transitions. [2023-11-11 23:55:39,398 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-11 23:55:39,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:55:39,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:39,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:39,531 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:39,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 54 states and 71 transitions. [2023-11-11 23:55:39,646 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-11 23:55:39,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:55:39,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:39,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:39,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:39,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:39,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 55 states and 72 transitions. [2023-11-11 23:55:39,723 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-11-11 23:55:39,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:55:39,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:39,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:39,763 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:55:40,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:40,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 64 states and 86 transitions. [2023-11-11 23:55:40,612 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2023-11-11 23:55:40,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:55:40,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:40,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:40,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:41,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:41,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 67 states and 90 transitions. [2023-11-11 23:55:41,010 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2023-11-11 23:55:41,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:55:41,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:41,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:41,060 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-11 23:55:41,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:41,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 70 states and 94 transitions. [2023-11-11 23:55:41,444 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2023-11-11 23:55:41,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:55:41,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:41,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:41,516 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:41,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:41,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 63 states and 82 transitions. [2023-11-11 23:55:41,923 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-11 23:55:41,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:55:41,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:41,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:42,006 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:55:42,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:42,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 67 states and 88 transitions. [2023-11-11 23:55:42,397 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-11 23:55:42,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-11 23:55:42,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:42,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:42,444 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:42,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:42,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 71 states and 92 transitions. [2023-11-11 23:55:42,909 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2023-11-11 23:55:42,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:55:42,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:42,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:43,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:43,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 76 states and 100 transitions. [2023-11-11 23:55:43,481 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2023-11-11 23:55:43,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:55:43,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:43,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:43,523 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:43,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:43,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 70 states and 91 transitions. [2023-11-11 23:55:43,664 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2023-11-11 23:55:43,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:55:43,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:43,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:43,717 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-11 23:55:43,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:43,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 48 states and 60 transitions. [2023-11-11 23:55:43,773 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-11 23:55:43,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-11 23:55:43,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:55:43,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:55:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:55:43,852 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-11 23:55:43,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:55:43,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 47 states and 59 transitions. [2023-11-11 23:55:43,877 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-11 23:55:43,877 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:55:43,877 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2023-11-11 23:55:43,886 INFO L753 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-11 23:55:44,196 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:55:44,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:55:44 ImpRootNode [2023-11-11 23:55:44,201 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:55:44,202 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:55:44,202 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:55:44,202 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:55:44,203 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:55:35" (3/4) ... [2023-11-11 23:55:44,205 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:55:44,209 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:55:44,210 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:55:44,216 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2023-11-11 23:55:44,216 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-11 23:55:44,217 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-11 23:55:44,217 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:55:44,218 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:55:44,322 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0af99-b721-41b8-9e8e-84f7b476d51d/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:55:44,322 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0af99-b721-41b8-9e8e-84f7b476d51d/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:55:44,323 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:55:44,324 INFO L158 Benchmark]: Toolchain (without parser) took 11384.55ms. Allocated memory was 115.3MB in the beginning and 222.3MB in the end (delta: 107.0MB). Free memory was 67.1MB in the beginning and 136.3MB in the end (delta: -69.2MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2023-11-11 23:55:44,324 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:55:44,325 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1505.00ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 66.8MB in the beginning and 69.9MB in the end (delta: -3.1MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. [2023-11-11 23:55:44,325 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.44ms. Allocated memory is still 153.1MB. Free memory was 69.9MB in the beginning and 67.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:44,326 INFO L158 Benchmark]: Boogie Preprocessor took 67.58ms. Allocated memory is still 153.1MB. Free memory was 67.4MB in the beginning and 65.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:55:44,326 INFO L158 Benchmark]: RCFGBuilder took 528.55ms. Allocated memory is still 153.1MB. Free memory was 65.7MB in the beginning and 110.4MB in the end (delta: -44.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:55:44,327 INFO L158 Benchmark]: CodeCheck took 9048.35ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 110.4MB in the beginning and 142.5MB in the end (delta: -32.1MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2023-11-11 23:55:44,327 INFO L158 Benchmark]: Witness Printer took 121.18ms. Allocated memory is still 222.3MB. Free memory was 142.5MB in the beginning and 136.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:55:44,329 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: 8.7s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4192 SdHoareTripleChecker+Valid, 8.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1779 mSDsluCounter, 3884 SdHoareTripleChecker+Invalid, 7.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1513 mSDsCounter, 1228 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4890 IncrementalHoareTripleChecker+Invalid, 6118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1228 mSolverCounterUnsat, 2371 mSDtfsCounter, 4890 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6470 GetRequests, 6302 SyntacticMatches, 12 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11079 ImplicationChecksByTransitivity, 5.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 653 NumberOfCodeBlocks, 653 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 626 ConstructedInterpolants, 0 QuantifiedInterpolants, 1349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 132/132 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1608]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1650]: 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: 1668]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 115.3MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1505.00ms. Allocated memory was 115.3MB in the beginning and 153.1MB in the end (delta: 37.7MB). Free memory was 66.8MB in the beginning and 69.9MB in the end (delta: -3.1MB). Peak memory consumption was 36.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.44ms. Allocated memory is still 153.1MB. Free memory was 69.9MB in the beginning and 67.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.58ms. Allocated memory is still 153.1MB. Free memory was 67.4MB in the beginning and 65.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 528.55ms. Allocated memory is still 153.1MB. Free memory was 65.7MB in the beginning and 110.4MB in the end (delta: -44.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 9048.35ms. Allocated memory was 153.1MB in the beginning and 222.3MB in the end (delta: 69.2MB). Free memory was 110.4MB in the beginning and 142.5MB in the end (delta: -32.1MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. * Witness Printer took 121.18ms. Allocated memory is still 222.3MB. Free memory was 142.5MB in the beginning and 136.3MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:55:44,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0d0af99-b721-41b8-9e8e-84f7b476d51d/bin/ukojak-verify-0OAaufAVZV/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