./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem06_label03.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem06_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/bin/ukojak-verify-afCqCEvfdi --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 851d512a42d29fb9bd6dcf3cbefad9f00e24dde2c718020e42d3a122db0e4a02 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:29,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:29,984 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:13:29,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:29,994 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:13:30,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:30,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:30,055 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:30,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:30,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:30,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:30,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:30,058 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:13:30,059 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:30,059 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:13:30,060 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:30,061 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:30,061 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:30,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:30,062 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:13:30,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:30,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:30,064 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:30,065 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:30,065 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:30,066 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:30,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:30,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:30,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:30,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:30,068 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:13:30,069 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:30,069 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:30,070 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_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 851d512a42d29fb9bd6dcf3cbefad9f00e24dde2c718020e42d3a122db0e4a02 [2023-11-24 23:13:30,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:30,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:30,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:30,395 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:30,395 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:30,397 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem06_label03.c [2023-11-24 23:13:33,425 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:34,264 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:34,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/sv-benchmarks/c/eca-rers2012/Problem06_label03.c [2023-11-24 23:13:34,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/bin/ukojak-verify-afCqCEvfdi/data/76a4aa5cc/de7dcf2909344c28bfeb5d45cdbaab30/FLAG85b44430d [2023-11-24 23:13:34,343 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/bin/ukojak-verify-afCqCEvfdi/data/76a4aa5cc/de7dcf2909344c28bfeb5d45cdbaab30 [2023-11-24 23:13:34,351 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:34,353 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:34,357 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:34,357 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:34,363 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:34,364 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:34" (1/1) ... [2023-11-24 23:13:34,366 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ee99fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:34, skipping insertion in model container [2023-11-24 23:13:34,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:34" (1/1) ... [2023-11-24 23:13:34,598 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:36,897 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_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/sv-benchmarks/c/eca-rers2012/Problem06_label03.c[334796,334809] [2023-11-24 23:13:36,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:36,936 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:38,103 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_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/sv-benchmarks/c/eca-rers2012/Problem06_label03.c[334796,334809] [2023-11-24 23:13:38,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:38,166 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:38,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38 WrapperNode [2023-11-24 23:13:38,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:38,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:38,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:38,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:38,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,302 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,766 INFO L138 Inliner]: procedures = 18, calls = 12, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 10174 [2023-11-24 23:13:38,766 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:38,768 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:38,768 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:38,768 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:38,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,850 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,851 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:39,099 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:39,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:39,166 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:39,187 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:39,240 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:39,241 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:39,242 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:39,242 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:39,243 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:39,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:39,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:39,274 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:39,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f11015b-8804-4cd1-bf47-0e42d58ac1b6/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:39,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:39,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:39,424 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:39,427 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:47,747 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:49,147 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:49,147 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:13:49,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:49 BoogieIcfgContainer [2023-11-24 23:13:49,150 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:49,151 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:49,151 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:49,161 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:49,162 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:49" (1/1) ... [2023-11-24 23:13:49,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:49,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:49,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1864 states to 938 states and 1864 transitions. [2023-11-24 23:13:49,272 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 1864 transitions. [2023-11-24 23:13:49,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 930 [2023-11-24 23:13:49,325 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:49,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:52,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:59,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:59,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3208 states to 1865 states and 3208 transitions. [2023-11-24 23:13:59,651 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3208 transitions. [2023-11-24 23:13:59,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 934 [2023-11-24 23:13:59,691 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:59,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:01,797 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:02,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:02,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 1868 states and 3213 transitions. [2023-11-24 23:14:02,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3213 transitions. [2023-11-24 23:14:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 935 [2023-11-24 23:14:02,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:02,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:03,661 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:03,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:03,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3220 states to 1872 states and 3220 transitions. [2023-11-24 23:14:03,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 3220 transitions. [2023-11-24 23:14:03,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 938 [2023-11-24 23:14:03,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:03,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:04,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:06,098 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:06,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:06,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3231 states to 1879 states and 3231 transitions. [2023-11-24 23:14:06,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3231 transitions. [2023-11-24 23:14:06,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 939 [2023-11-24 23:14:06,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:06,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:09,161 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:09,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 1887 states and 3244 transitions. [2023-11-24 23:14:09,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 3244 transitions. [2023-11-24 23:14:09,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 940 [2023-11-24 23:14:09,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:09,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:11,428 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:12,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:12,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3259 states to 1896 states and 3259 transitions. [2023-11-24 23:14:12,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 3259 transitions. [2023-11-24 23:14:12,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 941 [2023-11-24 23:14:12,277 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:12,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:12,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:13,511 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:13,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:13,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3268 states to 1902 states and 3268 transitions. [2023-11-24 23:14:13,942 INFO L276 IsEmpty]: Start isEmpty. Operand 1902 states and 3268 transitions. [2023-11-24 23:14:13,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 943 [2023-11-24 23:14:13,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:13,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.