./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2 --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 7de30c44d0602994b810982ba2c9a74ab800acce8c1e9199f770e3b9f4cae0fd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:30:31,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:30:31,408 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:30:31,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:30:31,417 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:30:31,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:30:31,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:30:31,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:30:31,463 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:30:31,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:30:31,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:30:31,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:30:31,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:30:31,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:30:31,473 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:30:31,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:30:31,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:30:31,474 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:30:31,475 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:30:31,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:30:31,476 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:30:31,477 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:30:31,478 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:30:31,478 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:30:31,479 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:30:31,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:31,480 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:30:31,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:30:31,481 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:30:31,482 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:30:31,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:30:31,484 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:30:31,484 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_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7de30c44d0602994b810982ba2c9a74ab800acce8c1e9199f770e3b9f4cae0fd [2023-11-21 18:30:31,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:30:31,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:30:31,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:30:31,839 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:30:31,840 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:30:31,841 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_good.i [2023-11-21 18:30:35,518 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:30:36,031 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:30:36,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_05_good.i [2023-11-21 18:30:36,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/data/635bc861a/1dc80ee18ede43c68d444a3d6cc21ebb/FLAGb94ec5113 [2023-11-21 18:30:36,081 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/data/635bc861a/1dc80ee18ede43c68d444a3d6cc21ebb [2023-11-21 18:30:36,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:30:36,087 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:30:36,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:36,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:30:36,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:30:36,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:36" (1/1) ... [2023-11-21 18:30:36,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc77b81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:36, skipping insertion in model container [2023-11-21 18:30:36,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:36" (1/1) ... [2023-11-21 18:30:36,217 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:36,685 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:30:37,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:37,588 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:30:37,629 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:30:37,724 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:37,928 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:37,929 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:37,929 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:37,929 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:37,930 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:37,930 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:30:37,940 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:30:37,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37 WrapperNode [2023-11-21 18:30:37,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:37,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:37,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:30:37,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:30:37,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:38,024 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:38,086 INFO L138 Inliner]: procedures = 504, calls = 87, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 113 [2023-11-21 18:30:38,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:38,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:30:38,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:30:38,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:30:38,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:38,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:38,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:38,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:38,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:38,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:38,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:38,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:38,174 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:30:38,177 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:30:38,177 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:30:38,178 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:30:38,180 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:37" (1/1) ... [2023-11-21 18:30:38,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:38,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:30:38,225 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:30:38,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:30:38,274 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-21 18:30:38,274 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-21 18:30:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:30:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:30:38,275 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:30:38,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:30:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:30:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:30:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:30:38,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:30:38,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:30:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:30:38,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:30:38,593 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:30:38,596 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:30:38,890 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:30:38,951 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:30:38,951 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:30:38,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:38 BoogieIcfgContainer [2023-11-21 18:30:38,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:30:38,955 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:30:38,956 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:30:38,968 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:30:38,969 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:38" (1/1) ... [2023-11-21 18:30:38,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:30:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:39,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 57 states and 77 transitions. [2023-11-21 18:30:39,066 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 77 transitions. [2023-11-21 18:30:39,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:30:39,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:39,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:39,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:39,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 57 states and 76 transitions. [2023-11-21 18:30:39,544 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-21 18:30:39,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:30:39,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:39,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:39,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:39,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 61 states and 82 transitions. [2023-11-21 18:30:39,765 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 82 transitions. [2023-11-21 18:30:39,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:30:39,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:39,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:39,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:39,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:39,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 60 states and 81 transitions. [2023-11-21 18:30:39,940 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 81 transitions. [2023-11-21 18:30:39,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:30:39,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:39,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:40,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:30:40,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:40,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 55 states and 74 transitions. [2023-11-21 18:30:40,293 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 74 transitions. [2023-11-21 18:30:40,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:30:40,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:40,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:30:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:40,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 57 states and 76 transitions. [2023-11-21 18:30:40,963 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2023-11-21 18:30:40,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:30:40,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:40,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:41,110 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:30:41,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:41,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 63 states and 86 transitions. [2023-11-21 18:30:41,513 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2023-11-21 18:30:41,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:30:41,517 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:41,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:41,610 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:41,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:41,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 60 states and 80 transitions. [2023-11-21 18:30:41,647 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 80 transitions. [2023-11-21 18:30:41,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:30:41,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:41,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:41,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:30:41,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:41,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 64 states and 87 transitions. [2023-11-21 18:30:41,908 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 87 transitions. [2023-11-21 18:30:41,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:30:41,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:41,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:41,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:41,992 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:42,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:42,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 63 states and 84 transitions. [2023-11-21 18:30:42,250 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-11-21 18:30:42,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:30:42,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:42,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:42,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:42,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 67 states and 88 transitions. [2023-11-21 18:30:42,628 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-21 18:30:42,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:30:42,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:42,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:42,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:30:42,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:42,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 66 states and 87 transitions. [2023-11-21 18:30:42,836 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2023-11-21 18:30:42,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:30:42,838 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:42,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:42,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:30:43,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:43,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 68 states and 89 transitions. [2023-11-21 18:30:43,062 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 89 transitions. [2023-11-21 18:30:43,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:30:43,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:43,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:43,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:43,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:43,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 67 states and 87 transitions. [2023-11-21 18:30:43,415 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 87 transitions. [2023-11-21 18:30:43,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:30:43,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:43,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:43,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:30:43,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:43,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 54 states and 70 transitions. [2023-11-21 18:30:43,497 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2023-11-21 18:30:43,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:30:43,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:43,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:43,593 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:43,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 52 states and 67 transitions. [2023-11-21 18:30:43,691 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 67 transitions. [2023-11-21 18:30:43,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:30:43,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:43,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:43,809 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:43,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:43,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 54 states and 71 transitions. [2023-11-21 18:30:43,881 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2023-11-21 18:30:43,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:30:43,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:43,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:44,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:44,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:44,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 55 states and 72 transitions. [2023-11-21 18:30:44,060 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2023-11-21 18:30:44,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:30:44,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:44,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:44,133 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:44,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:44,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 64 states and 86 transitions. [2023-11-21 18:30:44,970 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2023-11-21 18:30:44,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:30:44,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:44,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:45,025 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:45,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:45,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 67 states and 90 transitions. [2023-11-21 18:30:45,383 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 90 transitions. [2023-11-21 18:30:45,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:30:45,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:45,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:45,449 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:30:45,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:45,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 70 states and 94 transitions. [2023-11-21 18:30:45,880 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 94 transitions. [2023-11-21 18:30:45,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:30:45,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:45,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:45,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:45,941 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:46,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:46,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 63 states and 82 transitions. [2023-11-21 18:30:46,365 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2023-11-21 18:30:46,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:30:46,366 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:46,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:46,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:46,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:30:46,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:46,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 67 states and 88 transitions. [2023-11-21 18:30:46,817 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 88 transitions. [2023-11-21 18:30:46,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:30:46,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:46,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:46,874 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:47,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:47,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 71 states and 92 transitions. [2023-11-21 18:30:47,291 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 92 transitions. [2023-11-21 18:30:47,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:30:47,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:47,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:47,440 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:47,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:47,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 76 states and 100 transitions. [2023-11-21 18:30:47,603 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 100 transitions. [2023-11-21 18:30:47,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:30:47,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:47,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:47,704 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:47,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 70 states and 91 transitions. [2023-11-21 18:30:47,834 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2023-11-21 18:30:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:30:47,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:47,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:47,900 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:30:47,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:47,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 48 states and 60 transitions. [2023-11-21 18:30:47,937 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 60 transitions. [2023-11-21 18:30:47,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-21 18:30:47,938 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:47,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:47,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:48,060 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:30:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:48,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 47 states and 59 transitions. [2023-11-21 18:30:48,095 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2023-11-21 18:30:48,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-21 18:30:48,098 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 28 iterations. [2023-11-21 18:30:48,113 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-21 18:30:48,543 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-21 18:30:48,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:30:48 ImpRootNode [2023-11-21 18:30:48,549 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:30:48,550 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:30:48,550 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:30:48,550 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:30:48,551 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:38" (3/4) ... [2023-11-21 18:30:48,553 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-21 18:30:48,557 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-21 18:30:48,558 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-21 18:30:48,565 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2023-11-21 18:30:48,566 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-21 18:30:48,566 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-21 18:30:48,567 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:30:48,567 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-21 18:30:48,707 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/witness.graphml [2023-11-21 18:30:48,707 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/witness.yml [2023-11-21 18:30:48,708 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:30:48,708 INFO L158 Benchmark]: Toolchain (without parser) took 12621.47ms. Allocated memory was 203.4MB in the beginning and 249.6MB in the end (delta: 46.1MB). Free memory was 151.8MB in the beginning and 119.1MB in the end (delta: 32.7MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2023-11-21 18:30:48,709 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 146.8MB. Free memory was 94.3MB in the beginning and 94.1MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:30:48,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1853.49ms. Allocated memory is still 203.4MB. Free memory was 151.8MB in the beginning and 86.8MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2023-11-21 18:30:48,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.89ms. Allocated memory is still 203.4MB. Free memory was 86.8MB in the beginning and 84.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:30:48,710 INFO L158 Benchmark]: Boogie Preprocessor took 88.59ms. Allocated memory is still 203.4MB. Free memory was 84.1MB in the beginning and 81.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:30:48,711 INFO L158 Benchmark]: RCFGBuilder took 777.49ms. Allocated memory is still 203.4MB. Free memory was 81.9MB in the beginning and 155.6MB in the end (delta: -73.7MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-11-21 18:30:48,711 INFO L158 Benchmark]: CodeCheck took 9593.73ms. Allocated memory was 203.4MB in the beginning and 249.6MB in the end (delta: 46.1MB). Free memory was 155.6MB in the beginning and 125.3MB in the end (delta: 30.3MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. [2023-11-21 18:30:48,712 INFO L158 Benchmark]: Witness Printer took 158.01ms. Allocated memory is still 249.6MB. Free memory was 125.3MB in the beginning and 119.1MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-21 18:30:48,714 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: 9.1s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4316 SdHoareTripleChecker+Valid, 10.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1903 mSDsluCounter, 3948 SdHoareTripleChecker+Invalid, 8.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1545 mSDsCounter, 1104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4826 IncrementalHoareTripleChecker+Invalid, 5930 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1104 mSolverCounterUnsat, 2403 mSDtfsCounter, 4826 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6461 GetRequests, 6309 SyntacticMatches, 12 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9481 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 653 NumberOfCodeBlocks, 653 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 626 ConstructedInterpolants, 0 QuantifiedInterpolants, 1349 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 27 PerfectInterpolantSequences, 132/132 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1631]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1647]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1664]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 146.8MB. Free memory was 94.3MB in the beginning and 94.1MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1853.49ms. Allocated memory is still 203.4MB. Free memory was 151.8MB in the beginning and 86.8MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 142.89ms. Allocated memory is still 203.4MB. Free memory was 86.8MB in the beginning and 84.1MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.59ms. Allocated memory is still 203.4MB. Free memory was 84.1MB in the beginning and 81.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 777.49ms. Allocated memory is still 203.4MB. Free memory was 81.9MB in the beginning and 155.6MB in the end (delta: -73.7MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * CodeCheck took 9593.73ms. Allocated memory was 203.4MB in the beginning and 249.6MB in the end (delta: 46.1MB). Free memory was 155.6MB in the beginning and 125.3MB in the end (delta: 30.3MB). Peak memory consumption was 76.3MB. Max. memory is 16.1GB. * Witness Printer took 158.01ms. Allocated memory is still 249.6MB. Free memory was 125.3MB in the beginning and 119.1MB 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! [2023-11-21 18:30:48,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ed7b0a4-1aef-4e77-bfde-d4fa18a1b721/bin/ukojak-verify-i0I2FZA1j2/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