./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b --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 32bit --witnessprinter.graph.data.programhash 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:19:15,866 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:19:15,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 22:19:15,923 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:19:15,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:19:15,942 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:19:15,943 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:19:15,943 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:19:15,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:19:15,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:19:15,944 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:19:15,944 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:19:15,944 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:19:15,944 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:19:15,944 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:19:15,944 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:19:15,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:19:15,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:19:15,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:19:15,944 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 22:19:15,945 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 22:19:15,945 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:19:15,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:19:15,945 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:19:15,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:19:15,945 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:19:15,945 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:19:15,945 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:19:15,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:19:15,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:19:15,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:19:15,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:19:15,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:19:15,946 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:19:15,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:19:15,946 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51aa0675891000edd5d1736f3584d06816ce7050b76c01d5b217260a35077c25 [2024-12-05 22:19:16,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:19:16,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:19:16,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:19:16,154 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:19:16,155 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:19:16,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2024-12-05 22:19:18,819 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/data/77e25bc6c/8acba5e8a67c40d1a749b4699dc6ad02/FLAG4ea7bca59 [2024-12-05 22:19:19,095 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:19:19,096 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/sv-benchmarks/c/array-memsafety/cstrncmp-alloca-1.i [2024-12-05 22:19:19,108 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/data/77e25bc6c/8acba5e8a67c40d1a749b4699dc6ad02/FLAG4ea7bca59 [2024-12-05 22:19:19,122 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/data/77e25bc6c/8acba5e8a67c40d1a749b4699dc6ad02 [2024-12-05 22:19:19,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:19:19,126 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:19:19,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:19:19,127 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:19:19,131 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:19:19,132 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:19:19" (1/1) ... [2024-12-05 22:19:19,133 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efc5bfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:19, skipping insertion in model container [2024-12-05 22:19:19,133 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:19:19" (1/1) ... [2024-12-05 22:19:19,158 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:19:19,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:19:19,403 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:19:19,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:19:19,465 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:19:19,465 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:19 WrapperNode [2024-12-05 22:19:19,465 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:19:19,466 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:19:19,466 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:19:19,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:19:19,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:19" (1/1) ... [2024-12-05 22:19:19,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:19" (1/1) ... [2024-12-05 22:19:19,497 INFO L138 Inliner]: procedures = 117, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 129 [2024-12-05 22:19:19,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:19:19,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:19:19,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:19:19,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:19:19,506 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:19" (1/1) ... [2024-12-05 22:19:19,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:19" (1/1) ... [2024-12-05 22:19:19,508 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:19" (1/1) ... [2024-12-05 22:19:19,508 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:19" (1/1) ... [2024-12-05 22:19:19,514 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:19" (1/1) ... [2024-12-05 22:19:19,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:19" (1/1) ... [2024-12-05 22:19:19,518 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:19" (1/1) ... [2024-12-05 22:19:19,519 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:19" (1/1) ... [2024-12-05 22:19:19,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:19" (1/1) ... [2024-12-05 22:19:19,522 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:19:19,522 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:19:19,523 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:19:19,523 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:19:19,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:19" (1/1) ... [2024-12-05 22:19:19,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:19:19,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:19:19,549 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:19:19,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:19:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 22:19:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 22:19:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 22:19:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 22:19:19,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:19:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:19:19,653 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:19:19,655 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:19:19,849 INFO L? ?]: Removed 47 outVars from TransFormulas that were not future-live. [2024-12-05 22:19:19,850 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:19:19,902 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:19:19,902 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-05 22:19:19,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:19:19 BoogieIcfgContainer [2024-12-05 22:19:19,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:19:19,903 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:19:19,903 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:19:19,913 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:19:19,913 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:19:19" (1/1) ... [2024-12-05 22:19:19,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:19:19,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:19,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 40 states and 47 transitions. [2024-12-05 22:19:19,967 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 47 transitions. [2024-12-05 22:19:19,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 22:19:19,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:19,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:20,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:20,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:20,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 41 states and 48 transitions. [2024-12-05 22:19:20,194 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2024-12-05 22:19:20,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 22:19:20,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:20,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:20,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:20,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:20,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 43 states and 51 transitions. [2024-12-05 22:19:20,333 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 51 transitions. [2024-12-05 22:19:20,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:19:20,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:20,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:20,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:20,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:20,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 47 states and 59 transitions. [2024-12-05 22:19:20,602 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 59 transitions. [2024-12-05 22:19:20,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:19:20,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:20,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:20,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:20,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:20,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:20,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 48 states and 63 transitions. [2024-12-05 22:19:20,730 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2024-12-05 22:19:20,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 22:19:20,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:20,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:20,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:21,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:21,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 53 states and 73 transitions. [2024-12-05 22:19:21,077 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 73 transitions. [2024-12-05 22:19:21,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:19:21,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:21,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:21,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:21,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:21,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 55 states and 76 transitions. [2024-12-05 22:19:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 76 transitions. [2024-12-05 22:19:21,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:19:21,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:21,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:21,561 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:21,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:21,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 61 states and 88 transitions. [2024-12-05 22:19:21,969 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 88 transitions. [2024-12-05 22:19:21,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 22:19:21,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:21,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:21,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:22,014 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:22,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:22,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 65 states and 95 transitions. [2024-12-05 22:19:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 95 transitions. [2024-12-05 22:19:22,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:19:22,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:22,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:22,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:22,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 69 states and 103 transitions. [2024-12-05 22:19:22,817 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 103 transitions. [2024-12-05 22:19:22,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:19:22,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:22,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:22,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:23,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:23,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 74 states and 114 transitions. [2024-12-05 22:19:23,319 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2024-12-05 22:19:23,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:19:23,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:23,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:23,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:23,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:23,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 75 states and 114 transitions. [2024-12-05 22:19:23,529 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 114 transitions. [2024-12-05 22:19:23,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:19:23,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:23,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:23,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:23,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:23,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 59 states and 77 transitions. [2024-12-05 22:19:23,732 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2024-12-05 22:19:23,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:19:23,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:23,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:23,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:24,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:24,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 65 states and 88 transitions. [2024-12-05 22:19:24,321 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 88 transitions. [2024-12-05 22:19:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:19:24,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:24,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:24,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:24,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:24,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 66 states and 91 transitions. [2024-12-05 22:19:24,367 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 91 transitions. [2024-12-05 22:19:24,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:19:24,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:24,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:24,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:25,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:25,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 71 states and 106 transitions. [2024-12-05 22:19:25,015 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 106 transitions. [2024-12-05 22:19:25,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:19:25,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:25,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:25,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:25,074 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:19:25,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:25,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 74 states and 114 transitions. [2024-12-05 22:19:25,629 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 114 transitions. [2024-12-05 22:19:25,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:19:25,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:25,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:25,678 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 76 states and 115 transitions. [2024-12-05 22:19:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 115 transitions. [2024-12-05 22:19:25,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:19:25,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:25,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:19:26,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:26,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 76 states and 114 transitions. [2024-12-05 22:19:26,069 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions. [2024-12-05 22:19:26,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:19:26,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:26,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:26,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:26,109 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:26,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 77 states and 114 transitions. [2024-12-05 22:19:26,316 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 114 transitions. [2024-12-05 22:19:26,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:19:26,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:26,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:26,345 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:19:26,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 77 states and 113 transitions. [2024-12-05 22:19:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 113 transitions. [2024-12-05 22:19:26,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:19:26,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:26,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:26,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:27,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:27,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 84 states and 125 transitions. [2024-12-05 22:19:27,401 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 125 transitions. [2024-12-05 22:19:27,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 22:19:27,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:27,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:27,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:27,473 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:28,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:28,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 85 states and 127 transitions. [2024-12-05 22:19:28,090 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 127 transitions. [2024-12-05 22:19:28,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:19:28,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:28,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 22:19:28,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:28,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 85 states and 125 transitions. [2024-12-05 22:19:28,534 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 125 transitions. [2024-12-05 22:19:28,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:19:28,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:28,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:28,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:28,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:19:29,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:29,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 87 states and 129 transitions. [2024-12-05 22:19:29,284 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 129 transitions. [2024-12-05 22:19:29,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:19:29,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:29,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:29,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:19:29,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:29,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 87 states and 128 transitions. [2024-12-05 22:19:29,549 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 128 transitions. [2024-12-05 22:19:29,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:19:29,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:29,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:19:30,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:30,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 90 states and 133 transitions. [2024-12-05 22:19:30,476 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 133 transitions. [2024-12-05 22:19:30,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:19:30,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:30,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:30,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:30,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:30,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 94 states and 137 transitions. [2024-12-05 22:19:30,930 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 137 transitions. [2024-12-05 22:19:30,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 22:19:30,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:30,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:31,009 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:31,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:31,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 96 states and 140 transitions. [2024-12-05 22:19:31,428 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 140 transitions. [2024-12-05 22:19:31,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:19:31,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:31,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:31,445 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 22:19:31,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:31,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 98 states and 143 transitions. [2024-12-05 22:19:31,935 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 143 transitions. [2024-12-05 22:19:31,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:19:31,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:31,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:31,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:31,953 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-05 22:19:32,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:32,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 98 states and 142 transitions. [2024-12-05 22:19:32,180 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 142 transitions. [2024-12-05 22:19:32,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:19:32,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:32,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:32,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 103 states and 147 transitions. [2024-12-05 22:19:32,868 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 147 transitions. [2024-12-05 22:19:32,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:19:32,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:32,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:32,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:19:33,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:33,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 105 states and 149 transitions. [2024-12-05 22:19:33,154 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 149 transitions. [2024-12-05 22:19:33,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:19:33,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:33,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:34,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:34,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 109 states and 160 transitions. [2024-12-05 22:19:34,124 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 160 transitions. [2024-12-05 22:19:34,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:19:34,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:34,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:34,148 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:34,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:34,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 110 states and 161 transitions. [2024-12-05 22:19:34,417 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 161 transitions. [2024-12-05 22:19:34,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 22:19:34,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:34,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:34,447 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:34,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:34,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 112 states and 163 transitions. [2024-12-05 22:19:34,725 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 163 transitions. [2024-12-05 22:19:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:19:34,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:34,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:34,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 22:19:35,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:35,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 115 states and 167 transitions. [2024-12-05 22:19:35,222 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 167 transitions. [2024-12-05 22:19:35,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:19:35,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:35,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:35,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:19:36,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:36,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 120 states and 177 transitions. [2024-12-05 22:19:36,105 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 177 transitions. [2024-12-05 22:19:36,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:19:36,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:36,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:36,331 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:37,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:37,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 125 states and 194 transitions. [2024-12-05 22:19:37,562 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 194 transitions. [2024-12-05 22:19:37,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:19:37,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:37,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:19:37,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:37,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 127 states and 197 transitions. [2024-12-05 22:19:37,867 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 197 transitions. [2024-12-05 22:19:37,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:19:37,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:37,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:37,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:37,889 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:38,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:38,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 128 states and 197 transitions. [2024-12-05 22:19:38,191 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 197 transitions. [2024-12-05 22:19:38,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:19:38,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:38,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:38,201 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-05 22:19:38,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:38,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 129 states and 197 transitions. [2024-12-05 22:19:38,473 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 197 transitions. [2024-12-05 22:19:38,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 22:19:38,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:38,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:38,494 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:38,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:38,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 131 states and 198 transitions. [2024-12-05 22:19:38,821 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 198 transitions. [2024-12-05 22:19:38,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:19:38,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:38,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:39,035 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:39,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:39,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 136 states and 215 transitions. [2024-12-05 22:19:39,696 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 215 transitions. [2024-12-05 22:19:39,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:19:39,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:39,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:39,721 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-05 22:19:40,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:40,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 138 states and 218 transitions. [2024-12-05 22:19:40,058 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 218 transitions. [2024-12-05 22:19:40,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:19:40,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:40,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:40,076 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-05 22:19:40,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:40,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 141 states and 225 transitions. [2024-12-05 22:19:40,879 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 225 transitions. [2024-12-05 22:19:40,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:19:40,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:40,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:40,910 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:41,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:41,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 143 states and 227 transitions. [2024-12-05 22:19:41,553 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 227 transitions. [2024-12-05 22:19:41,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:19:41,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:41,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:41,569 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-12-05 22:19:41,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:41,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 145 states and 228 transitions. [2024-12-05 22:19:41,893 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 228 transitions. [2024-12-05 22:19:41,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:19:41,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:41,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:42,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:42,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 146 states and 228 transitions. [2024-12-05 22:19:42,262 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 228 transitions. [2024-12-05 22:19:42,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:19:42,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:42,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:42,271 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 22:19:42,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:42,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 149 states and 232 transitions. [2024-12-05 22:19:42,868 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 232 transitions. [2024-12-05 22:19:42,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:19:42,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:42,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:19:42,881 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:19:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:19:42,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:19:42,933 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:19:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:19:42,960 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 50 iterations. [2024-12-05 22:19:42,990 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:19:42 ImpRootNode [2024-12-05 22:19:42,990 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:19:42,991 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:19:42,991 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:19:42,991 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:19:42,992 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:19:19" (3/4) ... [2024-12-05 22:19:42,992 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-12-05 22:19:43,031 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 7. [2024-12-05 22:19:43,071 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:19:43,072 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:19:43,072 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:19:43,073 INFO L158 Benchmark]: Toolchain (without parser) took 23947.08ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 116.7MB in the beginning and 105.4MB in the end (delta: 11.3MB). Peak memory consumption was 154.5MB. Max. memory is 16.1GB. [2024-12-05 22:19:43,073 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:19:43,073 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.10ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 99.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:19:43,073 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.44ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 97.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:19:43,073 INFO L158 Benchmark]: Boogie Preprocessor took 23.66ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:19:43,074 INFO L158 Benchmark]: RCFGBuilder took 379.98ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 77.2MB in the end (delta: 19.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 22:19:43,074 INFO L158 Benchmark]: CodeCheck took 23087.54ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 77.2MB in the beginning and 110.0MB in the end (delta: -32.8MB). Peak memory consumption was 104.2MB. Max. memory is 16.1GB. [2024-12-05 22:19:43,074 INFO L158 Benchmark]: Witness Printer took 80.85ms. Allocated memory is still 285.2MB. Free memory was 110.0MB in the beginning and 105.4MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:19:43,076 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, 40 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 23.0s, OverallIterations: 50, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8245 SdHoareTripleChecker+Valid, 26.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7710 mSDsluCounter, 1306 SdHoareTripleChecker+Invalid, 22.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1142 mSDsCounter, 5088 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 26154 IncrementalHoareTripleChecker+Invalid, 31242 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5088 mSolverCounterUnsat, 164 mSDtfsCounter, 26154 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5536 GetRequests, 4865 SyntacticMatches, 231 SemanticMatches, 440 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100256 ImplicationChecksByTransitivity, 19.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 591 NumberOfCodeBlocks, 591 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 526 ConstructedInterpolants, 0 QuantifiedInterpolants, 1590 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 49 InterpolantComputations, 34 PerfectInterpolantSequences, 100/199 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 519]: integer overflow possible integer overflow possible We found a FailurePath: [L530] int length1 = __VERIFIER_nondet_int(); [L531] int length2 = __VERIFIER_nondet_int(); [L532] COND FALSE !(length1 < 1) [L535] COND TRUE length2 < 1 [L536] length2 = 1 [L538] char* nondetString1 = (char*) __builtin_alloca (length1 * sizeof(char)); [L539] char* nondetString2 = (char*) __builtin_alloca (length2 * sizeof(char)); [L541] int i = 0; VAL [i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L541] EXPR length1 - 1 VAL [i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L541] COND FALSE !(i < length1 - 1) VAL [length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L546] int i = 0; VAL [i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L546] EXPR length2 - 1 VAL [i=0, length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L546] COND FALSE !(i < length2 - 1) VAL [length1=1, length2=1, nondetString1={3:0}, nondetString2={2:0}] [L551] EXPR length1-1 [L551] nondetString1[length1-1] = '\0' VAL [length2=1, nondetString1={3:0}, nondetString2={2:0}] [L552] EXPR length2-1 [L552] nondetString2[length2-1] = '\0' [L553] CALL cstrncmp(nondetString1,nondetString2,__VERIFIER_nondet_int()) [L516] unsigned char uc1, uc2; VAL [n=-2147483648, s1={3:0}, s2={2:0}] [L517] COND FALSE !(n == 0) VAL [n=-2147483648, s1={3:0}, s2={2:0}] [L519] n-- VAL [s1={3:0}, s2={2:0}] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.10ms. Allocated memory is still 142.6MB. Free memory was 116.7MB in the beginning and 99.7MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.44ms. Allocated memory is still 142.6MB. Free memory was 99.5MB in the beginning and 97.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.66ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 96.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 379.98ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 77.2MB in the end (delta: 19.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 23087.54ms. Allocated memory was 142.6MB in the beginning and 285.2MB in the end (delta: 142.6MB). Free memory was 77.2MB in the beginning and 110.0MB in the end (delta: -32.8MB). Peak memory consumption was 104.2MB. Max. memory is 16.1GB. * Witness Printer took 80.85ms. Allocated memory is still 285.2MB. Free memory was 110.0MB in the beginning and 105.4MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-12-05 22:19:43,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_293fae0b-8a31-4ece-b130-09cf127cf587/bin/ukojak-verify-CZk0znPC7b/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)