./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.11.c --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_29f3097e-4cbe-480d-979e-f4487e3a7c1b/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f3097e-4cbe-480d-979e-f4487e3a7c1b/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_29f3097e-4cbe-480d-979e-f4487e3a7c1b/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f3097e-4cbe-480d-979e-f4487e3a7c1b/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f3097e-4cbe-480d-979e-f4487e3a7c1b/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_29f3097e-4cbe-480d-979e-f4487e3a7c1b/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 5b4c99d0b33a566b40cf4365ddd1611945e8961cf9631a2c233f1ae25de30e8d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:49:21,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:49:21,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f3097e-4cbe-480d-979e-f4487e3a7c1b/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:49:21,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:49:21,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:49:21,396 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:49:21,398 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:49:21,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:49:21,400 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:49:21,401 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:49:21,402 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:49:21,403 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:49:21,403 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:49:21,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:49:21,407 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:49:21,408 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:49:21,409 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:49:21,413 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:49:21,414 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:49:21,414 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:49:21,415 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:49:21,416 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:49:21,416 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:49:21,416 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:49:21,417 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:21,418 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:49:21,418 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:49:21,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:49:21,419 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:49:21,420 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:49:21,421 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:49:21,422 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_29f3097e-4cbe-480d-979e-f4487e3a7c1b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f3097e-4cbe-480d-979e-f4487e3a7c1b/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b4c99d0b33a566b40cf4365ddd1611945e8961cf9631a2c233f1ae25de30e8d [2023-11-11 23:49:21,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:49:21,802 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:49:21,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:49:21,807 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:49:21,808 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:49:21,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f3097e-4cbe-480d-979e-f4487e3a7c1b/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-restricted-15/b.11.c [2023-11-11 23:49:25,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:49:25,693 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:49:25,693 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f3097e-4cbe-480d-979e-f4487e3a7c1b/sv-benchmarks/c/termination-restricted-15/b.11.c [2023-11-11 23:49:25,700 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f3097e-4cbe-480d-979e-f4487e3a7c1b/bin/ukojak-verify-0OAaufAVZV/data/b748d5fcb/ec7b2b8685fa487d924e96874757aaf0/FLAGce1eb4676 [2023-11-11 23:49:26,016 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f3097e-4cbe-480d-979e-f4487e3a7c1b/bin/ukojak-verify-0OAaufAVZV/data/b748d5fcb/ec7b2b8685fa487d924e96874757aaf0 [2023-11-11 23:49:26,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:49:26,021 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:49:26,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:26,023 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:49:26,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:49:26,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@124e9bff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26, skipping insertion in model container [2023-11-11 23:49:26,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,056 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:49:26,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:26,230 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:49:26,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:49:26,254 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:49:26,255 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26 WrapperNode [2023-11-11 23:49:26,255 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:49:26,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:26,257 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:49:26,257 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:49:26,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,267 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,286 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 57 [2023-11-11 23:49:26,287 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:49:26,288 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:49:26,288 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:49:26,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:49:26,295 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,296 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,297 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,306 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,307 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,308 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:49:26,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:49:26,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:49:26,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:49:26,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:49:26,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f3097e-4cbe-480d-979e-f4487e3a7c1b/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:49:26,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f3097e-4cbe-480d-979e-f4487e3a7c1b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:49:26,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f3097e-4cbe-480d-979e-f4487e3a7c1b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:49:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:49:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:49:26,516 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:49:26,518 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:49:26,756 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:49:26,783 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:49:26,793 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:49:26,797 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:26 BoogieIcfgContainer [2023-11-11 23:49:26,797 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:49:26,798 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:49:26,799 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:49:26,814 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:49:26,816 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:26" (1/1) ... [2023-11-11 23:49:26,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:49:26,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:26,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 38 states and 45 transitions. [2023-11-11 23:49:26,921 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2023-11-11 23:49:26,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:49:26,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:26,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:27,156 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 23:49:27,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:27,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 41 states and 49 transitions. [2023-11-11 23:49:27,262 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2023-11-11 23:49:27,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:49:27,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:27,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:27,412 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 23:49:27,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:27,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 40 states and 48 transitions. [2023-11-11 23:49:27,554 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 48 transitions. [2023-11-11 23:49:27,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:49:27,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:27,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:27,594 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 23:49:27,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 44 states and 55 transitions. [2023-11-11 23:49:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2023-11-11 23:49:27,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:49:27,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:27,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:27,701 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 23:49:28,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:28,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 46 states and 57 transitions. [2023-11-11 23:49:28,018 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-11 23:49:28,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:49:28,019 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:28,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:28,080 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 23:49:28,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:28,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2023-11-11 23:49:28,585 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2023-11-11 23:49:28,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:49:28,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:28,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:28,645 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 23:49:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:28,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 54 states and 68 transitions. [2023-11-11 23:49:28,673 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 68 transitions. [2023-11-11 23:49:28,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:49:28,674 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:28,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:28,784 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 23:49:29,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:29,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 57 states and 70 transitions. [2023-11-11 23:49:29,532 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 70 transitions. [2023-11-11 23:49:29,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:49:29,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:29,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:29,724 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 23:49:30,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:30,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 66 states and 86 transitions. [2023-11-11 23:49:30,966 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 86 transitions. [2023-11-11 23:49:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:49:30,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:30,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:31,264 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 23:49:31,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:31,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 70 states and 93 transitions. [2023-11-11 23:49:31,980 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2023-11-11 23:49:31,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:49:31,983 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:31,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:32,334 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 23:49:33,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:33,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 72 states and 94 transitions. [2023-11-11 23:49:33,053 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 94 transitions. [2023-11-11 23:49:33,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:49:33,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:33,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:33,135 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 23:49:33,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 73 states and 95 transitions. [2023-11-11 23:49:33,226 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 95 transitions. [2023-11-11 23:49:33,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:49:33,227 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:33,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:33,401 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 23:49:35,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:35,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 81 states and 110 transitions. [2023-11-11 23:49:35,819 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 110 transitions. [2023-11-11 23:49:35,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:49:35,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:35,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:35,891 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 23:49:36,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:36,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 84 states and 112 transitions. [2023-11-11 23:49:36,587 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 112 transitions. [2023-11-11 23:49:36,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:49:36,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:36,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:36,638 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 23:49:38,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:38,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 91 states and 124 transitions. [2023-11-11 23:49:38,316 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 124 transitions. [2023-11-11 23:49:38,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:49:38,319 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:38,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:38,341 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 23:49:39,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:39,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 99 states and 139 transitions. [2023-11-11 23:49:39,266 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 139 transitions. [2023-11-11 23:49:39,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:49:39,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:39,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:39,507 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 23:49:40,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:40,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 101 states and 143 transitions. [2023-11-11 23:49:40,334 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 143 transitions. [2023-11-11 23:49:40,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:49:40,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:40,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:40,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:40,358 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 23:49:40,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:40,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 103 states and 146 transitions. [2023-11-11 23:49:40,640 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 146 transitions. [2023-11-11 23:49:40,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:40,641 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:40,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:40,879 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 23:49:44,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:44,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 117 states and 170 transitions. [2023-11-11 23:49:44,689 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 170 transitions. [2023-11-11 23:49:44,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:44,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:44,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:44,723 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 23:49:45,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:45,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 120 states and 173 transitions. [2023-11-11 23:49:45,847 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 173 transitions. [2023-11-11 23:49:45,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:45,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:45,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:45,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:45,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:47,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:47,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 125 states and 182 transitions. [2023-11-11 23:49:47,328 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 182 transitions. [2023-11-11 23:49:47,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-11 23:49:47,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:47,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:47,350 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 23:49:47,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:47,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 127 states and 186 transitions. [2023-11-11 23:49:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 186 transitions. [2023-11-11 23:49:47,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:49:47,532 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:47,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:47,570 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 23:49:48,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:48,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 129 states and 188 transitions. [2023-11-11 23:49:48,052 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 188 transitions. [2023-11-11 23:49:48,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:49:48,053 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:48,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:48,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:48,090 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 23:49:48,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:48,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 131 states and 191 transitions. [2023-11-11 23:49:48,697 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 191 transitions. [2023-11-11 23:49:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:49:48,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:48,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:48,732 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 23:49:49,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:49,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 134 states and 193 transitions. [2023-11-11 23:49:49,827 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 193 transitions. [2023-11-11 23:49:49,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:49:49,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:49,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:49,856 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 23:49:50,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:50,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 135 states and 194 transitions. [2023-11-11 23:49:50,385 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 194 transitions. [2023-11-11 23:49:50,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-11 23:49:50,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:50,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:50,531 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:50,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:50,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 136 states and 197 transitions. [2023-11-11 23:49:50,686 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 197 transitions. [2023-11-11 23:49:50,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:49:50,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:50,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:50,711 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 23:49:51,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:51,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 138 states and 200 transitions. [2023-11-11 23:49:51,544 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 200 transitions. [2023-11-11 23:49:51,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-11 23:49:51,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:51,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:51,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:51,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:51,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 139 states and 203 transitions. [2023-11-11 23:49:51,625 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 203 transitions. [2023-11-11 23:49:51,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:49:51,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:51,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:51,780 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:52,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:52,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 139 states and 202 transitions. [2023-11-11 23:49:52,121 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 202 transitions. [2023-11-11 23:49:52,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-11 23:49:52,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:52,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:52,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:52,166 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:49:53,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:53,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 145 states and 209 transitions. [2023-11-11 23:49:53,502 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 209 transitions. [2023-11-11 23:49:53,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:49:53,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:53,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:53,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:53,528 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:53,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 145 states and 208 transitions. [2023-11-11 23:49:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 208 transitions. [2023-11-11 23:49:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:49:53,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:53,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:54,087 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:56,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:56,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 147 states and 211 transitions. [2023-11-11 23:49:56,081 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 211 transitions. [2023-11-11 23:49:56,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-11 23:49:56,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:56,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:56,107 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:49:56,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:56,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 147 states and 210 transitions. [2023-11-11 23:49:56,153 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 210 transitions. [2023-11-11 23:49:56,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-11 23:49:56,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:56,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:56,302 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:58,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:58,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 150 states and 215 transitions. [2023-11-11 23:49:58,285 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 215 transitions. [2023-11-11 23:49:58,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:49:58,286 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:58,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:58,316 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:49:59,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:59,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 153 states and 219 transitions. [2023-11-11 23:49:59,678 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 219 transitions. [2023-11-11 23:49:59,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-11 23:49:59,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:59,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:59,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:59,721 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:59,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 153 states and 218 transitions. [2023-11-11 23:49:59,775 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 218 transitions. [2023-11-11 23:49:59,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-11 23:49:59,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:59,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:59,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:49:59,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:49:59,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 153 states and 217 transitions. [2023-11-11 23:49:59,915 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 217 transitions. [2023-11-11 23:49:59,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-11 23:49:59,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:49:59,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:49:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:49:59,958 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:50:00,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:00,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 154 states and 218 transitions. [2023-11-11 23:50:00,412 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 218 transitions. [2023-11-11 23:50:00,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-11 23:50:00,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:50:00,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:50:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:50:00,457 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:50:00,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:50:00,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 62 states and 84 transitions. [2023-11-11 23:50:00,509 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2023-11-11 23:50:00,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-11 23:50:00,509 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 40 iterations. [2023-11-11 23:50:00,520 INFO L753 CodeCheckObserver]: All specifications hold 12 specifications checked. All of them hold [2023-11-11 23:50:01,189 INFO L560 CodeCheckObserver]: Invariant with dag size 21 [2023-11-11 23:50:01,199 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-11 23:50:01,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:50:01 ImpRootNode [2023-11-11 23:50:01,200 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:50:01,201 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:50:01,201 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:50:01,201 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:50:01,202 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:49:26" (3/4) ... [2023-11-11 23:50:01,203 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-11 23:50:01,211 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-11 23:50:01,211 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-11 23:50:01,212 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-11 23:50:01,317 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f3097e-4cbe-480d-979e-f4487e3a7c1b/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:50:01,318 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f3097e-4cbe-480d-979e-f4487e3a7c1b/bin/ukojak-verify-0OAaufAVZV/witness.yml [2023-11-11 23:50:01,318 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:50:01,319 INFO L158 Benchmark]: Toolchain (without parser) took 35297.62ms. Allocated memory was 134.2MB in the beginning and 237.0MB in the end (delta: 102.8MB). Free memory was 100.1MB in the beginning and 72.2MB in the end (delta: 28.0MB). Peak memory consumption was 132.5MB. Max. memory is 16.1GB. [2023-11-11 23:50:01,319 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 134.2MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:01,320 INFO L158 Benchmark]: CACSL2BoogieTranslator took 232.99ms. Allocated memory is still 134.2MB. Free memory was 100.1MB in the beginning and 90.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:50:01,320 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.88ms. Allocated memory is still 134.2MB. Free memory was 90.5MB in the beginning and 88.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:01,321 INFO L158 Benchmark]: Boogie Preprocessor took 20.77ms. Allocated memory is still 134.2MB. Free memory was 88.9MB in the beginning and 88.0MB in the end (delta: 882.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:50:01,321 INFO L158 Benchmark]: RCFGBuilder took 488.09ms. Allocated memory is still 134.2MB. Free memory was 88.0MB in the beginning and 76.3MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-11 23:50:01,322 INFO L158 Benchmark]: CodeCheck took 34402.03ms. Allocated memory was 134.2MB in the beginning and 237.0MB in the end (delta: 102.8MB). Free memory was 76.3MB in the beginning and 76.4MB in the end (delta: -86.4kB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. [2023-11-11 23:50:01,322 INFO L158 Benchmark]: Witness Printer took 117.04ms. Allocated memory is still 237.0MB. Free memory was 76.4MB in the beginning and 72.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:50:01,325 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 1 procedures, 38 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 33.7s, OverallIterations: 40, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7498 SdHoareTripleChecker+Valid, 34.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6456 mSDsluCounter, 3086 SdHoareTripleChecker+Invalid, 27.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1978 mSDsCounter, 2866 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16500 IncrementalHoareTripleChecker+Invalid, 19366 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2866 mSolverCounterUnsat, 1108 mSDtfsCounter, 16500 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5866 GetRequests, 5115 SyntacticMatches, 373 SemanticMatches, 378 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70452 ImplicationChecksByTransitivity, 29.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 674 NumberOfCodeBlocks, 674 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 635 ConstructedInterpolants, 0 QuantifiedInterpolants, 2289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 39 InterpolantComputations, 31 PerfectInterpolantSequences, 60/110 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: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 16]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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: 11]: Loop Invariant Derived loop invariant: ((((((y + 2147483648) < 0) && (0 <= (x + 1))) && ((x + 1) <= 0)) || ((((x + 1) < 0) && (0 <= (x + 2147483648))) && ((y + 2147483648) < 0))) || ((((x <= 2147483647) && (0 <= (x + 2147483648))) && (0 <= (y + 2147483648))) && (y <= 2147483647))) - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42ms. Allocated memory is still 134.2MB. Free memory is still 106.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 232.99ms. Allocated memory is still 134.2MB. Free memory was 100.1MB in the beginning and 90.5MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.88ms. Allocated memory is still 134.2MB. Free memory was 90.5MB in the beginning and 88.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.77ms. Allocated memory is still 134.2MB. Free memory was 88.9MB in the beginning and 88.0MB in the end (delta: 882.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 488.09ms. Allocated memory is still 134.2MB. Free memory was 88.0MB in the beginning and 76.3MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 34402.03ms. Allocated memory was 134.2MB in the beginning and 237.0MB in the end (delta: 102.8MB). Free memory was 76.3MB in the beginning and 76.4MB in the end (delta: -86.4kB). Peak memory consumption was 103.1MB. Max. memory is 16.1GB. * Witness Printer took 117.04ms. Allocated memory is still 237.0MB. Free memory was 76.4MB in the beginning and 72.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-11 23:50:01,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_29f3097e-4cbe-480d-979e-f4487e3a7c1b/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE