./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label58.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/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_3913d327-0d44-45b0-9f18-af96aaf0c394/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label58.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/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_3913d327-0d44-45b0-9f18-af96aaf0c394/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 f1330b945796eafb52f5218ec9db61ab9afcd58365b089a50d0fc568630d62cc --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:34,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:34,919 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:08:34,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:34,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:34,950 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:34,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:34,952 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:34,953 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:34,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:34,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:34,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:34,956 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:08:34,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:34,957 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:08:34,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:34,958 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:34,958 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:34,959 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:34,960 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:08:34,960 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:34,961 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:34,961 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:34,962 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:34,962 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:34,963 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:34,963 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:34,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:34,964 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:34,965 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:34,965 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:34,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:34,966 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:34,966 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_3913d327-0d44-45b0-9f18-af96aaf0c394/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1330b945796eafb52f5218ec9db61ab9afcd58365b089a50d0fc568630d62cc [2023-11-19 04:08:35,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:35,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:35,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:35,272 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:35,273 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:35,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem02_label58.c [2023-11-19 04:08:38,563 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:39,101 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:39,102 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/sv-benchmarks/c/eca-rers2012/Problem02_label58.c [2023-11-19 04:08:39,117 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/bin/ukojak-verify-G8NBE6pJGL/data/71838b268/d52de4e74439468cb197ba907d7b0948/FLAG64a5205c5 [2023-11-19 04:08:39,141 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/bin/ukojak-verify-G8NBE6pJGL/data/71838b268/d52de4e74439468cb197ba907d7b0948 [2023-11-19 04:08:39,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:39,149 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:39,150 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:39,150 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:39,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:39,156 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:39" (1/1) ... [2023-11-19 04:08:39,157 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@429628e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:39, skipping insertion in model container [2023-11-19 04:08:39,158 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:39" (1/1) ... [2023-11-19 04:08:39,217 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:39,711 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_3913d327-0d44-45b0-9f18-af96aaf0c394/sv-benchmarks/c/eca-rers2012/Problem02_label58.c[17130,17143] [2023-11-19 04:08:39,744 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:39,757 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:39,835 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_3913d327-0d44-45b0-9f18-af96aaf0c394/sv-benchmarks/c/eca-rers2012/Problem02_label58.c[17130,17143] [2023-11-19 04:08:39,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:39,869 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:39,869 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:39 WrapperNode [2023-11-19 04:08:39,870 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:39,871 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:39,871 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:39,873 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:39,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:39" (1/1) ... [2023-11-19 04:08:39,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:39" (1/1) ... [2023-11-19 04:08:39,963 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 669 [2023-11-19 04:08:39,964 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:39,965 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:39,965 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:39,965 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:39,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:39" (1/1) ... [2023-11-19 04:08:39,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:39" (1/1) ... [2023-11-19 04:08:39,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:39" (1/1) ... [2023-11-19 04:08:39,982 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:39" (1/1) ... [2023-11-19 04:08:40,009 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:39" (1/1) ... [2023-11-19 04:08:40,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:39" (1/1) ... [2023-11-19 04:08:40,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:39" (1/1) ... [2023-11-19 04:08:40,032 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:39" (1/1) ... [2023-11-19 04:08:40,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:40,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:40,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:40,042 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:40,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:39" (1/1) ... [2023-11-19 04:08:40,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:40,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:40,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:40,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:40,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:40,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:40,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:40,230 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:40,233 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:41,543 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:42,032 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:42,032 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:08:42,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:42 BoogieIcfgContainer [2023-11-19 04:08:42,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:42,046 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:42,047 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:42,058 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:42,059 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:42" (1/1) ... [2023-11-19 04:08:42,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:42,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:42,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2023-11-19 04:08:42,165 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2023-11-19 04:08:42,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-19 04:08:42,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:42,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:42,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:42,943 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 04:08:43,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:43,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2023-11-19 04:08:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2023-11-19 04:08:43,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-19 04:08:43,729 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:43,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:44,013 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 04:08:44,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:44,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 242 states and 336 transitions. [2023-11-19 04:08:44,975 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 336 transitions. [2023-11-19 04:08:44,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-19 04:08:44,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:44,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:45,115 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:45,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:45,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 321 states and 422 transitions. [2023-11-19 04:08:45,599 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 422 transitions. [2023-11-19 04:08:45,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-19 04:08:45,609 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:45,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:45,779 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:45,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:45,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 339 states and 442 transitions. [2023-11-19 04:08:45,956 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 442 transitions. [2023-11-19 04:08:45,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-19 04:08:45,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:45,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:46,148 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:08:46,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:46,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 358 states and 463 transitions. [2023-11-19 04:08:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 463 transitions. [2023-11-19 04:08:46,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-19 04:08:46,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:46,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:46,960 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 75 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:48,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:48,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 433 states and 546 transitions. [2023-11-19 04:08:48,144 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 546 transitions. [2023-11-19 04:08:48,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 04:08:48,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:48,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:48,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 04:08:48,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:48,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 437 states and 552 transitions. [2023-11-19 04:08:48,932 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 552 transitions. [2023-11-19 04:08:48,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 04:08:48,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:48,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:49,167 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 04:08:49,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:49,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 438 states and 555 transitions. [2023-11-19 04:08:49,326 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 555 transitions. [2023-11-19 04:08:49,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-19 04:08:49,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:49,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:49,456 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 04:08:49,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 447 states and 568 transitions. [2023-11-19 04:08:49,781 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 568 transitions. [2023-11-19 04:08:49,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-19 04:08:49,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:49,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:49,972 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 04:08:50,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:50,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 450 states and 572 transitions. [2023-11-19 04:08:50,234 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 572 transitions. [2023-11-19 04:08:50,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-19 04:08:50,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:50,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:50,440 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 04:08:50,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:50,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 451 states and 572 transitions. [2023-11-19 04:08:50,606 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 572 transitions. [2023-11-19 04:08:50,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-19 04:08:50,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:50,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:50,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:50,748 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-19 04:08:51,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:51,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 461 states and 586 transitions. [2023-11-19 04:08:51,304 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 586 transitions. [2023-11-19 04:08:51,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 04:08:51,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:51,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:51,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:51,420 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-19 04:08:51,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:51,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 464 states and 589 transitions. [2023-11-19 04:08:51,491 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 589 transitions. [2023-11-19 04:08:51,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-11-19 04:08:51,494 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:51,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:51,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:51,719 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-19 04:08:51,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:51,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 465 states and 589 transitions. [2023-11-19 04:08:51,786 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 589 transitions. [2023-11-19 04:08:51,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 04:08:51,789 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:51,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:51,889 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-19 04:08:51,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:51,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 470 states and 594 transitions. [2023-11-19 04:08:51,967 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 594 transitions. [2023-11-19 04:08:51,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 04:08:51,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:51,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:52,082 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 04:08:52,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:52,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 477 states and 602 transitions. [2023-11-19 04:08:52,309 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 602 transitions. [2023-11-19 04:08:52,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-19 04:08:52,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:52,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:52,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:52,420 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-19 04:08:52,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:52,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 487 states and 616 transitions. [2023-11-19 04:08:52,912 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 616 transitions. [2023-11-19 04:08:52,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-19 04:08:52,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:52,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:53,029 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2023-11-19 04:08:53,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:53,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 489 states and 619 transitions. [2023-11-19 04:08:53,192 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 619 transitions. [2023-11-19 04:08:53,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-19 04:08:53,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:53,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:53,307 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-19 04:08:53,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:53,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 494 states and 625 transitions. [2023-11-19 04:08:53,533 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 625 transitions. [2023-11-19 04:08:53,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-19 04:08:53,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:53,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:53,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-19 04:08:53,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:53,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 627 states to 496 states and 627 transitions. [2023-11-19 04:08:53,708 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 627 transitions. [2023-11-19 04:08:53,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-19 04:08:53,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:53,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:53,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:53,927 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 04:08:54,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:54,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 567 states and 704 transitions. [2023-11-19 04:08:54,816 INFO L276 IsEmpty]: Start isEmpty. Operand 567 states and 704 transitions. [2023-11-19 04:08:54,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-19 04:08:54,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:54,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:54,936 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2023-11-19 04:08:55,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:55,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 572 states and 709 transitions. [2023-11-19 04:08:55,007 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 709 transitions. [2023-11-19 04:08:55,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-19 04:08:55,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:55,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:55,224 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-19 04:08:55,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:55,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 633 states and 770 transitions. [2023-11-19 04:08:55,665 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 770 transitions. [2023-11-19 04:08:55,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-19 04:08:55,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:55,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:55,788 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-19 04:08:55,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:55,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 775 states to 638 states and 775 transitions. [2023-11-19 04:08:55,868 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 775 transitions. [2023-11-19 04:08:55,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-19 04:08:55,871 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:55,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:55,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-19 04:08:56,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:56,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 639 states and 776 transitions. [2023-11-19 04:08:56,056 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 776 transitions. [2023-11-19 04:08:56,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-19 04:08:56,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:56,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:56,222 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-19 04:08:56,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:56,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 700 states and 838 transitions. [2023-11-19 04:08:56,837 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 838 transitions. [2023-11-19 04:08:56,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-19 04:08:56,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:56,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:57,005 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-11-19 04:08:57,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:57,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 752 states and 889 transitions. [2023-11-19 04:08:57,506 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 889 transitions. [2023-11-19 04:08:57,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-19 04:08:57,510 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:57,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:58,197 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 167 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-19 04:08:59,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:59,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 779 states and 924 transitions. [2023-11-19 04:08:59,259 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 924 transitions. [2023-11-19 04:08:59,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-19 04:08:59,265 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:59,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:59,452 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 04:08:59,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:59,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 931 states to 787 states and 931 transitions. [2023-11-19 04:08:59,681 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 931 transitions. [2023-11-19 04:08:59,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-11-19 04:08:59,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:59,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:59,945 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-11-19 04:09:00,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:00,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 486 states and 592 transitions. [2023-11-19 04:09:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 592 transitions. [2023-11-19 04:09:00,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:09:00,228 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2023-11-19 04:09:00,239 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 04:09:02,741 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-11-19 04:09:02,749 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-11-19 04:09:02,749 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:09:02,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:09:02 ImpRootNode [2023-11-19 04:09:02,750 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:09:02,751 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:09:02,751 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:09:02,751 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:09:02,752 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:42" (3/4) ... [2023-11-19 04:09:02,754 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:09:02,774 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2023-11-19 04:09:02,776 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-19 04:09:02,778 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 04:09:02,779 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:09:02,984 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:09:02,984 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:09:02,984 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:09:02,985 INFO L158 Benchmark]: Toolchain (without parser) took 23836.34ms. Allocated memory was 127.9MB in the beginning and 446.7MB in the end (delta: 318.8MB). Free memory was 95.1MB in the beginning and 375.0MB in the end (delta: -279.9MB). Peak memory consumption was 39.3MB. Max. memory is 16.1GB. [2023-11-19 04:09:02,986 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 127.9MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:02,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 720.13ms. Allocated memory is still 127.9MB. Free memory was 94.7MB in the beginning and 67.9MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 04:09:02,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.04ms. Allocated memory is still 127.9MB. Free memory was 67.9MB in the beginning and 62.5MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:09:02,987 INFO L158 Benchmark]: Boogie Preprocessor took 75.76ms. Allocated memory is still 127.9MB. Free memory was 62.5MB in the beginning and 58.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:09:02,987 INFO L158 Benchmark]: RCFGBuilder took 2003.40ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 58.3MB in the beginning and 79.6MB in the end (delta: -21.4MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. [2023-11-19 04:09:02,988 INFO L158 Benchmark]: CodeCheck took 20703.82ms. Allocated memory was 176.2MB in the beginning and 446.7MB in the end (delta: 270.5MB). Free memory was 79.6MB in the beginning and 388.6MB in the end (delta: -309.0MB). Peak memory consumption was 204.7MB. Max. memory is 16.1GB. [2023-11-19 04:09:02,995 INFO L158 Benchmark]: Witness Printer took 233.93ms. Allocated memory is still 446.7MB. Free memory was 388.6MB in the beginning and 375.0MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:09:03,000 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: 18.1s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26726 SdHoareTripleChecker+Valid, 98.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26494 mSDsluCounter, 3964 SdHoareTripleChecker+Invalid, 81.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3272 mSDsCounter, 14488 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 65346 IncrementalHoareTripleChecker+Invalid, 79834 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14488 mSolverCounterUnsat, 692 mSDtfsCounter, 65346 mSolverCounterSat, 1.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 33206 GetRequests, 32286 SyntacticMatches, 774 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9587 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 4866 NumberOfCodeBlocks, 4866 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 4836 ConstructedInterpolants, 0 QuantifiedInterpolants, 10011 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 28 PerfectInterpolantSequences, 3091/3111 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: 491]: 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: (((a25 == 1) && (10 < a28)) || ((a17 <= 8) && (a28 <= 10))) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((a25 == 1) && (10 < a28)) || ((a17 <= 8) && (a28 <= 10))) - 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 0.37ms. Allocated memory is still 127.9MB. Free memory is still 74.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 720.13ms. Allocated memory is still 127.9MB. Free memory was 94.7MB in the beginning and 67.9MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.04ms. Allocated memory is still 127.9MB. Free memory was 67.9MB in the beginning and 62.5MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.76ms. Allocated memory is still 127.9MB. Free memory was 62.5MB in the beginning and 58.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2003.40ms. Allocated memory was 127.9MB in the beginning and 176.2MB in the end (delta: 48.2MB). Free memory was 58.3MB in the beginning and 79.6MB in the end (delta: -21.4MB). Peak memory consumption was 34.8MB. Max. memory is 16.1GB. * CodeCheck took 20703.82ms. Allocated memory was 176.2MB in the beginning and 446.7MB in the end (delta: 270.5MB). Free memory was 79.6MB in the beginning and 388.6MB in the end (delta: -309.0MB). Peak memory consumption was 204.7MB. Max. memory is 16.1GB. * Witness Printer took 233.93ms. Allocated memory is still 446.7MB. Free memory was 388.6MB in the beginning and 375.0MB 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 04:09:03,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3913d327-0d44-45b0-9f18-af96aaf0c394/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