./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 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_bd57fd54-b720-4975-99a6-9a0426728622/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd57fd54-b720-4975-99a6-9a0426728622/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_bd57fd54-b720-4975-99a6-9a0426728622/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd57fd54-b720-4975-99a6-9a0426728622/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd57fd54-b720-4975-99a6-9a0426728622/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_bd57fd54-b720-4975-99a6-9a0426728622/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 7769e2cb1241ce193327f3081ef594a62cf8a609eb0db6e89ed527de779b57ea --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:44:44,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:44:44,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd57fd54-b720-4975-99a6-9a0426728622/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:44:44,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:44:44,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:44:44,485 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:44:44,486 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:44:44,487 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:44:44,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:44:44,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:44:44,496 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:44:44,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:44:44,497 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:44:44,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:44:44,500 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:44:44,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:44:44,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:44:44,502 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:44:44,503 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:44:44,503 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:44:44,504 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:44:44,505 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:44:44,505 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:44:44,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:44:44,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:44,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:44:44,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:44:44,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:44:44,509 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:44:44,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:44:44,511 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:44:44,511 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_bd57fd54-b720-4975-99a6-9a0426728622/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd57fd54-b720-4975-99a6-9a0426728622/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7769e2cb1241ce193327f3081ef594a62cf8a609eb0db6e89ed527de779b57ea [2023-11-11 23:44:44,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:44:44,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:44:44,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:44:44,926 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:44:44,927 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:44:44,929 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd57fd54-b720-4975-99a6-9a0426728622/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i [2023-11-11 23:44:48,111 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:44:48,641 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:44:48,642 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd57fd54-b720-4975-99a6-9a0426728622/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_17_good.i [2023-11-11 23:44:48,676 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd57fd54-b720-4975-99a6-9a0426728622/bin/ukojak-verify-0OAaufAVZV/data/c8d20ead1/94d2e4e1fe3243d386aa1b592c1a2bdd/FLAGa5d5d4459 [2023-11-11 23:44:48,699 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd57fd54-b720-4975-99a6-9a0426728622/bin/ukojak-verify-0OAaufAVZV/data/c8d20ead1/94d2e4e1fe3243d386aa1b592c1a2bdd [2023-11-11 23:44:48,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:44:48,709 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:44:48,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:48,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:44:48,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:44:48,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:48" (1/1) ... [2023-11-11 23:44:48,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46f37dad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:48, skipping insertion in model container [2023-11-11 23:44:48,722 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:44:48" (1/1) ... [2023-11-11 23:44:48,812 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:44:49,297 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:44:50,003 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:50,015 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:44:50,041 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-11 23:44:50,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:44:50,302 WARN L672 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:50,302 WARN L672 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:50,303 WARN L672 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:50,303 WARN L672 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:50,303 WARN L672 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-11 23:44:50,311 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:44:50,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:50 WrapperNode [2023-11-11 23:44:50,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:44:50,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:50,313 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:44:50,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:44:50,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:50" (1/1) ... [2023-11-11 23:44:50,368 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:50" (1/1) ... [2023-11-11 23:44:50,410 INFO L138 Inliner]: procedures = 501, calls = 61, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 147 [2023-11-11 23:44:50,410 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:44:50,411 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:44:50,411 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:44:50,411 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:44:50,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:50" (1/1) ... [2023-11-11 23:44:50,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:50" (1/1) ... [2023-11-11 23:44:50,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:50" (1/1) ... [2023-11-11 23:44:50,433 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:50" (1/1) ... [2023-11-11 23:44:50,439 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:50" (1/1) ... [2023-11-11 23:44:50,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:50" (1/1) ... [2023-11-11 23:44:50,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:50" (1/1) ... [2023-11-11 23:44:50,447 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:50" (1/1) ... [2023-11-11 23:44:50,451 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:44:50,452 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:44:50,453 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:44:50,453 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:44:50,454 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:44:50" (1/1) ... [2023-11-11 23:44:50,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:44:50,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd57fd54-b720-4975-99a6-9a0426728622/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:44:50,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd57fd54-b720-4975-99a6-9a0426728622/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:44:50,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd57fd54-b720-4975-99a6-9a0426728622/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:44:50,535 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2023-11-11 23:44:50,536 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2023-11-11 23:44:50,536 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-11 23:44:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-11 23:44:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-11 23:44:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:44:50,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:44:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-11 23:44:50,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-11 23:44:50,715 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:44:50,717 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:44:50,988 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:44:51,254 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:44:51,254 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-11 23:44:51,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:51 BoogieIcfgContainer [2023-11-11 23:44:51,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:44:51,258 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:44:51,258 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:44:51,272 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:44:51,272 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:51" (1/1) ... [2023-11-11 23:44:51,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:44:51,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:51,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 45 states and 52 transitions. [2023-11-11 23:44:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2023-11-11 23:44:51,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:44:51,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:51,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:52,110 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 23:44:52,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:52,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 47 states and 55 transitions. [2023-11-11 23:44:52,240 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 55 transitions. [2023-11-11 23:44:52,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:44:52,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:52,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:52,441 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 23:44:52,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:52,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2023-11-11 23:44:52,475 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2023-11-11 23:44:52,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:44:52,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:52,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:52,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:52,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 44 states and 50 transitions. [2023-11-11 23:44:52,866 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2023-11-11 23:44:52,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:44:52,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:52,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:52,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:44:52,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:52,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 43 states and 49 transitions. [2023-11-11 23:44:52,996 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2023-11-11 23:44:52,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:44:52,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:52,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:53,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:44:53,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:53,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 44 states and 51 transitions. [2023-11-11 23:44:53,134 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 51 transitions. [2023-11-11 23:44:53,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:44:53,135 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:53,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:53,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:44:53,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:53,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2023-11-11 23:44:53,716 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2023-11-11 23:44:53,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:44:53,717 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:53,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:53,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:44:54,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:54,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 52 states and 64 transitions. [2023-11-11 23:44:54,009 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 64 transitions. [2023-11-11 23:44:54,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:44:54,011 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:54,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:54,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:54,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:44:54,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:54,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 53 states and 65 transitions. [2023-11-11 23:44:54,151 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 65 transitions. [2023-11-11 23:44:54,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:44:54,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:54,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:54,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:54,287 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:44:54,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:54,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 57 states and 70 transitions. [2023-11-11 23:44:54,467 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2023-11-11 23:44:54,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-11 23:44:54,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:54,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:54,662 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:44:54,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:54,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 59 states and 73 transitions. [2023-11-11 23:44:54,778 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 73 transitions. [2023-11-11 23:44:54,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:44:54,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:54,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:54,863 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-11 23:44:55,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:55,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 80 transitions. [2023-11-11 23:44:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2023-11-11 23:44:55,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-11 23:44:55,346 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:55,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:55,445 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:44:55,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:55,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 81 transitions. [2023-11-11 23:44:55,465 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2023-11-11 23:44:55,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:44:55,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:55,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:55,598 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:44:55,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:55,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 65 states and 82 transitions. [2023-11-11 23:44:55,831 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2023-11-11 23:44:55,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:44:55,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:55,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:55,961 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:44:56,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:56,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 61 states and 76 transitions. [2023-11-11 23:44:56,106 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2023-11-11 23:44:56,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:44:56,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:56,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:56,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:56,189 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:44:56,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:56,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 44 states and 49 transitions. [2023-11-11 23:44:56,381 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2023-11-11 23:44:56,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:44:56,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:56,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:56,494 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:44:56,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:56,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 46 states and 53 transitions. [2023-11-11 23:44:56,998 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 53 transitions. [2023-11-11 23:44:56,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:44:56,999 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:57,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:57,132 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:44:57,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:57,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 58 transitions. [2023-11-11 23:44:57,892 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2023-11-11 23:44:57,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:44:57,893 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:57,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:58,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:44:58,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:58,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 55 states and 68 transitions. [2023-11-11 23:44:58,822 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2023-11-11 23:44:58,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-11 23:44:58,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:58,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:58,934 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:44:58,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:58,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 56 states and 71 transitions. [2023-11-11 23:44:58,968 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 71 transitions. [2023-11-11 23:44:58,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-11 23:44:58,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:58,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:58,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:59,207 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:44:59,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:59,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 57 states and 72 transitions. [2023-11-11 23:44:59,525 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2023-11-11 23:44:59,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-11 23:44:59,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:59,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:59,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:59,621 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-11 23:44:59,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:44:59,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 58 states and 73 transitions. [2023-11-11 23:44:59,901 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 73 transitions. [2023-11-11 23:44:59,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-11 23:44:59,901 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:44:59,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:44:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:44:59,998 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-11 23:45:00,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:45:00,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 43 states and 49 transitions. [2023-11-11 23:45:00,358 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2023-11-11 23:45:00,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:45:00,359 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2023-11-11 23:45:00,370 INFO L753 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2023-11-11 23:45:00,511 INFO L560 CodeCheckObserver]: Invariant with dag size 10 [2023-11-11 23:45:00,522 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:45:00,523 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:45:00,523 INFO L560 CodeCheckObserver]: Invariant with dag size 12 [2023-11-11 23:45:00,526 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:45:00,528 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:45:00 ImpRootNode [2023-11-11 23:45:00,529 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:45:00,530 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:45:00,531 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:45:00,531 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:45:00,532 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:44:51" (3/4) ... [2023-11-11 23:45:00,534 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:45:00,538 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2023-11-11 23:45:00,539 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2023-11-11 23:45:00,552 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2023-11-11 23:45:00,553 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-11 23:45:00,553 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-11 23:45:00,554 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-11 23:45:00,738 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd57fd54-b720-4975-99a6-9a0426728622/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:45:00,739 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd57fd54-b720-4975-99a6-9a0426728622/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:45:00,740 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:45:00,741 INFO L158 Benchmark]: Toolchain (without parser) took 12032.54ms. Allocated memory was 184.5MB in the beginning and 268.4MB in the end (delta: 83.9MB). Free memory was 135.0MB in the beginning and 213.1MB in the end (delta: -78.1MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2023-11-11 23:45:00,742 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 130.0MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:45:00,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1599.11ms. Allocated memory is still 184.5MB. Free memory was 135.0MB in the beginning and 117.0MB in the end (delta: 18.1MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2023-11-11 23:45:00,744 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.33ms. Allocated memory is still 184.5MB. Free memory was 116.0MB in the beginning and 112.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:45:00,744 INFO L158 Benchmark]: Boogie Preprocessor took 40.15ms. Allocated memory is still 184.5MB. Free memory was 112.8MB in the beginning and 111.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:45:00,747 INFO L158 Benchmark]: RCFGBuilder took 805.04ms. Allocated memory is still 184.5MB. Free memory was 111.7MB in the beginning and 70.9MB in the end (delta: 40.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-11 23:45:00,747 INFO L158 Benchmark]: CodeCheck took 9270.50ms. Allocated memory was 184.5MB in the beginning and 268.4MB in the end (delta: 83.9MB). Free memory was 70.9MB in the beginning and 219.4MB in the end (delta: -148.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:45:00,748 INFO L158 Benchmark]: Witness Printer took 210.14ms. Allocated memory is still 268.4MB. Free memory was 219.4MB in the beginning and 213.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-11 23:45:00,752 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, 45 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 9.1s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1531 SdHoareTripleChecker+Valid, 7.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 634 mSDsluCounter, 638 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 148 mSDsCounter, 827 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3064 IncrementalHoareTripleChecker+Invalid, 3891 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 827 mSolverCounterUnsat, 490 mSDtfsCounter, 3064 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3257 GetRequests, 3142 SyntacticMatches, 1 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4385 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 463 NumberOfCodeBlocks, 463 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 441 ConstructedInterpolants, 0 QuantifiedInterpolants, 711 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 15 PerfectInterpolantSequences, 89/96 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1561]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1583]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1580]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (((1 <= i) && (data < 2147483648)) || (i == 0)) - InvariantResult [Line: 1599]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1580]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1576]: Loop Invariant Derived loop invariant: ((h == 0) || (((1 <= h) && ((data + 2) <= 0)) && (0 <= (data + 2)))) - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 130.0MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1599.11ms. Allocated memory is still 184.5MB. Free memory was 135.0MB in the beginning and 117.0MB in the end (delta: 18.1MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.33ms. Allocated memory is still 184.5MB. Free memory was 116.0MB in the beginning and 112.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.15ms. Allocated memory is still 184.5MB. Free memory was 112.8MB in the beginning and 111.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 805.04ms. Allocated memory is still 184.5MB. Free memory was 111.7MB in the beginning and 70.9MB in the end (delta: 40.8MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * CodeCheck took 9270.50ms. Allocated memory was 184.5MB in the beginning and 268.4MB in the end (delta: 83.9MB). Free memory was 70.9MB in the beginning and 219.4MB in the end (delta: -148.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 210.14ms. Allocated memory is still 268.4MB. Free memory was 219.4MB in the beginning and 213.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:45:00,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd57fd54-b720-4975-99a6-9a0426728622/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE