./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1418b02b8b2f5990b796a4d39288b2acbdc5bc3cef26e1456ee8caff9c24da11 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:35:00,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:35:00,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:35:00,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:35:00,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:35:00,943 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:35:00,944 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:35:00,945 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:35:00,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:35:00,951 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:35:00,951 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:35:00,952 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:35:00,952 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:35:00,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:35:00,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:35:00,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:35:00,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:35:00,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:35:00,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:35:00,956 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:35:00,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:35:00,957 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:35:00,958 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:35:00,958 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:35:00,958 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:35:00,959 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:35:00,960 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:35:00,960 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:35:00,960 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:35:00,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:35:00,962 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:35:00,962 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:35:00,962 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:35:00,963 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_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1418b02b8b2f5990b796a4d39288b2acbdc5bc3cef26e1456ee8caff9c24da11 [2023-11-19 02:35:01,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:35:01,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:35:01,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:35:01,216 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:35:01,217 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:35:01,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem02_label03.c [2023-11-19 02:35:04,275 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:35:04,617 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:35:04,618 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/sv-benchmarks/c/eca-rers2012/Problem02_label03.c [2023-11-19 02:35:04,634 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/data/95e43cf5f/67cde9269be740ecb233128447305256/FLAG4c6e459d1 [2023-11-19 02:35:04,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/data/95e43cf5f/67cde9269be740ecb233128447305256 [2023-11-19 02:35:04,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:35:04,655 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:35:04,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:35:04,657 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:35:04,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:35:04,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:04" (1/1) ... [2023-11-19 02:35:04,665 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24ff10ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:04, skipping insertion in model container [2023-11-19 02:35:04,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:35:04" (1/1) ... [2023-11-19 02:35:04,731 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:35:05,136 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/sv-benchmarks/c/eca-rers2012/Problem02_label03.c[20079,20092] [2023-11-19 02:35:05,162 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:35:05,175 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:35:05,342 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/sv-benchmarks/c/eca-rers2012/Problem02_label03.c[20079,20092] [2023-11-19 02:35:05,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:35:05,373 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:35:05,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:05 WrapperNode [2023-11-19 02:35:05,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:35:05,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:35:05,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:35:05,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:35:05,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:05" (1/1) ... [2023-11-19 02:35:05,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:05" (1/1) ... [2023-11-19 02:35:05,491 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 669 [2023-11-19 02:35:05,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:35:05,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:35:05,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:35:05,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:35:05,513 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:05" (1/1) ... [2023-11-19 02:35:05,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:05" (1/1) ... [2023-11-19 02:35:05,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:05" (1/1) ... [2023-11-19 02:35:05,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:05" (1/1) ... [2023-11-19 02:35:05,560 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:05" (1/1) ... [2023-11-19 02:35:05,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:05" (1/1) ... [2023-11-19 02:35:05,580 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:05" (1/1) ... [2023-11-19 02:35:05,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:05" (1/1) ... [2023-11-19 02:35:05,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:35:05,599 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:35:05,600 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:35:05,600 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:35:05,601 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:35:05" (1/1) ... [2023-11-19 02:35:05,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:35:05,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:35:05,648 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:35:05,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:35:05,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:35:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:35:05,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:35:05,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:35:05,803 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:35:05,806 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:35:07,216 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:35:07,649 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:35:07,650 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:35:07,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:35:07 BoogieIcfgContainer [2023-11-19 02:35:07,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:35:07,662 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:35:07,662 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:35:07,675 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:35:07,676 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:35:07" (1/1) ... [2023-11-19 02:35:07,689 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:35:07,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:07,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2023-11-19 02:35:07,790 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2023-11-19 02:35:07,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 02:35:07,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:07,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:08,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:09,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:09,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2023-11-19 02:35:09,229 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2023-11-19 02:35:09,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 02:35:09,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:09,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:09,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:09,543 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:10,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:10,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 242 states and 332 transitions. [2023-11-19 02:35:10,574 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 332 transitions. [2023-11-19 02:35:10,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-19 02:35:10,585 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:10,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:10,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:10,842 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:11,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:11,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 251 states and 343 transitions. [2023-11-19 02:35:11,034 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 343 transitions. [2023-11-19 02:35:11,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-19 02:35:11,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:11,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:11,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:11,271 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:11,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:11,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 256 states and 348 transitions. [2023-11-19 02:35:11,366 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 348 transitions. [2023-11-19 02:35:11,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-19 02:35:11,373 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:11,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:11,537 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:11,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:11,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 270 states and 365 transitions. [2023-11-19 02:35:11,818 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 365 transitions. [2023-11-19 02:35:11,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-19 02:35:11,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:11,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:11,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:12,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:12,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 277 states and 372 transitions. [2023-11-19 02:35:12,004 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 372 transitions. [2023-11-19 02:35:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-19 02:35:12,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:12,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:12,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:12,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 291 states and 388 transitions. [2023-11-19 02:35:12,484 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 388 transitions. [2023-11-19 02:35:12,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-19 02:35:12,488 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:12,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:12,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:12,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 297 states and 394 transitions. [2023-11-19 02:35:12,703 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 394 transitions. [2023-11-19 02:35:12,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-19 02:35:12,705 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:12,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:12,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:12,878 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:13,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:13,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 321 states and 420 transitions. [2023-11-19 02:35:13,248 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 420 transitions. [2023-11-19 02:35:13,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-19 02:35:13,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:13,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:13,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:13,420 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:14,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:14,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 400 states and 504 transitions. [2023-11-19 02:35:14,404 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 504 transitions. [2023-11-19 02:35:14,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-19 02:35:14,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:14,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:14,503 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:14,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:14,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 410 states and 514 transitions. [2023-11-19 02:35:14,606 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 514 transitions. [2023-11-19 02:35:14,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-19 02:35:14,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:14,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:15,078 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 02:35:16,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:16,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 521 states and 631 transitions. [2023-11-19 02:35:16,937 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 631 transitions. [2023-11-19 02:35:16,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-19 02:35:16,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:16,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:17,102 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 528 states and 638 transitions. [2023-11-19 02:35:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 638 transitions. [2023-11-19 02:35:17,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-19 02:35:17,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:17,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:17,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 535 states and 645 transitions. [2023-11-19 02:35:17,440 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 645 transitions. [2023-11-19 02:35:17,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-19 02:35:17,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:17,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:17,548 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:35:17,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 541 states and 652 transitions. [2023-11-19 02:35:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 652 transitions. [2023-11-19 02:35:17,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-19 02:35:17,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:17,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:17,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:17,895 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 02:35:17,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:17,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 655 states to 544 states and 655 transitions. [2023-11-19 02:35:17,992 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 655 transitions. [2023-11-19 02:35:17,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-19 02:35:17,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:17,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:18,523 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:19,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:19,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 593 states and 714 transitions. [2023-11-19 02:35:19,852 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 714 transitions. [2023-11-19 02:35:19,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-19 02:35:19,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:19,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:19,993 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 02:35:20,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:20,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 602 states and 723 transitions. [2023-11-19 02:35:20,123 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 723 transitions. [2023-11-19 02:35:20,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-19 02:35:20,126 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:20,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:20,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:20,257 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 02:35:21,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:21,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 642 states and 768 transitions. [2023-11-19 02:35:21,285 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 768 transitions. [2023-11-19 02:35:21,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-19 02:35:21,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:21,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:21,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:22,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:22,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 677 states and 806 transitions. [2023-11-19 02:35:22,416 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 806 transitions. [2023-11-19 02:35:22,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-19 02:35:22,419 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:22,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:22,537 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:23,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:23,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 703 states and 839 transitions. [2023-11-19 02:35:23,563 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 839 transitions. [2023-11-19 02:35:23,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-19 02:35:23,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:23,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:24,088 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:25,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:25,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 873 states to 733 states and 873 transitions. [2023-11-19 02:35:25,212 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 873 transitions. [2023-11-19 02:35:25,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-19 02:35:25,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:25,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:25,416 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 02:35:25,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:25,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 755 states and 896 transitions. [2023-11-19 02:35:25,870 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 896 transitions. [2023-11-19 02:35:25,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 02:35:25,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:25,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:28,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:28,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 812 states and 956 transitions. [2023-11-19 02:35:28,540 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 956 transitions. [2023-11-19 02:35:28,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-11-19 02:35:28,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:28,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:28,677 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:35:29,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 857 states and 1009 transitions. [2023-11-19 02:35:29,895 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1009 transitions. [2023-11-19 02:35:29,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-11-19 02:35:29,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:29,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:30,057 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 02:35:30,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:30,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1031 states to 878 states and 1031 transitions. [2023-11-19 02:35:30,473 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1031 transitions. [2023-11-19 02:35:30,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-19 02:35:30,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:30,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:30,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:31,074 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 994 states and 1154 transitions. [2023-11-19 02:35:33,226 INFO L276 IsEmpty]: Start isEmpty. Operand 994 states and 1154 transitions. [2023-11-19 02:35:33,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-19 02:35:33,229 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:33,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:33,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:35:34,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:34,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 1042 states and 1211 transitions. [2023-11-19 02:35:34,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1211 transitions. [2023-11-19 02:35:34,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 02:35:34,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:34,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:35,044 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-19 02:35:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:35,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1044 states and 1215 transitions. [2023-11-19 02:35:35,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 1215 transitions. [2023-11-19 02:35:35,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 02:35:35,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:35,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:35,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:35,647 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-19 02:35:35,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:35,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1045 states and 1215 transitions. [2023-11-19 02:35:35,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1215 transitions. [2023-11-19 02:35:35,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-19 02:35:35,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:35,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:35,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 68 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:35:39,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:39,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1385 states to 1208 states and 1385 transitions. [2023-11-19 02:35:39,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1385 transitions. [2023-11-19 02:35:39,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-19 02:35:39,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:35:39,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:35:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:35:39,392 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-19 02:35:39,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:35:39,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1127 states and 1284 transitions. [2023-11-19 02:35:39,501 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1284 transitions. [2023-11-19 02:35:39,505 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 02:35:39,505 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2023-11-19 02:35:39,521 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 02:35:46,675 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2023-11-19 02:35:46,686 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2023-11-19 02:35:46,687 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 02:35:46,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:35:46 ImpRootNode [2023-11-19 02:35:46,688 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:35:46,689 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:35:46,689 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:35:46,689 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:35:46,690 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:35:07" (3/4) ... [2023-11-19 02:35:46,693 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 02:35:46,730 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2023-11-19 02:35:46,736 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-19 02:35:46,738 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-19 02:35:46,740 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 02:35:47,022 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 02:35:47,022 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 02:35:47,023 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:35:47,025 INFO L158 Benchmark]: Toolchain (without parser) took 42370.02ms. Allocated memory was 203.4MB in the beginning and 545.3MB in the end (delta: 341.8MB). Free memory was 154.9MB in the beginning and 251.2MB in the end (delta: -96.3MB). Peak memory consumption was 246.0MB. Max. memory is 16.1GB. [2023-11-19 02:35:47,025 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:35:47,026 INFO L158 Benchmark]: CACSL2BoogieTranslator took 718.09ms. Allocated memory is still 203.4MB. Free memory was 154.4MB in the beginning and 126.7MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 02:35:47,026 INFO L158 Benchmark]: Boogie Procedure Inliner took 116.33ms. Allocated memory is still 203.4MB. Free memory was 126.2MB in the beginning and 120.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 02:35:47,027 INFO L158 Benchmark]: Boogie Preprocessor took 105.84ms. Allocated memory is still 203.4MB. Free memory was 120.9MB in the beginning and 116.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:35:47,027 INFO L158 Benchmark]: RCFGBuilder took 2060.56ms. Allocated memory is still 203.4MB. Free memory was 116.6MB in the beginning and 157.3MB in the end (delta: -40.6MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. [2023-11-19 02:35:47,028 INFO L158 Benchmark]: CodeCheck took 39026.64ms. Allocated memory was 203.4MB in the beginning and 545.3MB in the end (delta: 341.8MB). Free memory was 157.3MB in the beginning and 264.9MB in the end (delta: -107.6MB). Peak memory consumption was 323.1MB. Max. memory is 16.1GB. [2023-11-19 02:35:47,028 INFO L158 Benchmark]: Witness Printer took 335.31ms. Allocated memory is still 545.3MB. Free memory was 264.9MB in the beginning and 251.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:35:47,031 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, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 31.8s, OverallIterations: 33, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 34736 SdHoareTripleChecker+Valid, 129.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34456 mSDsluCounter, 5005 SdHoareTripleChecker+Invalid, 107.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4163 mSDsCounter, 14037 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80522 IncrementalHoareTripleChecker+Invalid, 94559 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14037 mSolverCounterUnsat, 842 mSDtfsCounter, 80522 mSolverCounterSat, 1.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30529 GetRequests, 29826 SyntacticMatches, 441 SemanticMatches, 262 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34116 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 4088 NumberOfCodeBlocks, 4088 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 4056 ConstructedInterpolants, 0 QuantifiedInterpolants, 14684 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 26 PerfectInterpolantSequences, 1702/1800 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: 569]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((10 <= a28) || (((((a25 == 1) && !((a19 == 1))) && (a21 == 1)) && (7 == a17)) && (a28 == 9))) || ((((a17 == 8) && (a21 == 1)) && (a19 == 1)) && (a28 == 9))) || !((a11 == 1))) || (a28 <= 7)) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((10 <= a28) || (((((a25 == 1) && !((a19 == 1))) && (a21 == 1)) && (7 == a17)) && (a28 == 9))) || ((((a17 == 8) && (a21 == 1)) && (a19 == 1)) && (a28 == 9))) || !((a11 == 1))) || (a28 <= 7)) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 85.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 718.09ms. Allocated memory is still 203.4MB. Free memory was 154.4MB in the beginning and 126.7MB in the end (delta: 27.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 116.33ms. Allocated memory is still 203.4MB. Free memory was 126.2MB in the beginning and 120.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 105.84ms. Allocated memory is still 203.4MB. Free memory was 120.9MB in the beginning and 116.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2060.56ms. Allocated memory is still 203.4MB. Free memory was 116.6MB in the beginning and 157.3MB in the end (delta: -40.6MB). Peak memory consumption was 53.7MB. Max. memory is 16.1GB. * CodeCheck took 39026.64ms. Allocated memory was 203.4MB in the beginning and 545.3MB in the end (delta: 341.8MB). Free memory was 157.3MB in the beginning and 264.9MB in the end (delta: -107.6MB). Peak memory consumption was 323.1MB. Max. memory is 16.1GB. * Witness Printer took 335.31ms. Allocated memory is still 545.3MB. Free memory was 264.9MB in the beginning and 251.2MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-19 02:35:47,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03e082c-10f2-4f8c-ba7d-07894f9a57fe/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE