./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label51.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_8e2f385d-ccd3-4941-84df-ed1d7043b07d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2f385d-ccd3-4941-84df-ed1d7043b07d/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2f385d-ccd3-4941-84df-ed1d7043b07d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2f385d-ccd3-4941-84df-ed1d7043b07d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2f385d-ccd3-4941-84df-ed1d7043b07d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2f385d-ccd3-4941-84df-ed1d7043b07d/bin/ukojak-verify-Qdu7aM0XO9 --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 b9188b0bb7d345bde8858a6e4085c80a345a783efac7d50b39494fde4a7e156f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:54:10,126 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:54:10,192 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2f385d-ccd3-4941-84df-ed1d7043b07d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:54:10,196 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:54:10,197 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:54:10,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:54:10,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:54:10,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:54:10,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:54:10,221 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:54:10,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:54:10,223 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:54:10,223 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:54:10,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:54:10,224 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:54:10,224 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:54:10,225 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:54:10,225 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:54:10,226 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:54:10,226 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:54:10,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:54:10,228 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:54:10,228 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:54:10,229 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:54:10,229 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:54:10,230 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:54:10,230 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:54:10,230 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:54:10,231 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:54:10,231 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:54:10,232 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:54:10,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:54:10,232 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:54:10,233 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_8e2f385d-ccd3-4941-84df-ed1d7043b07d/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2f385d-ccd3-4941-84df-ed1d7043b07d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9188b0bb7d345bde8858a6e4085c80a345a783efac7d50b39494fde4a7e156f [2023-12-03 01:54:10,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:54:10,478 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:54:10,481 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:54:10,482 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:54:10,482 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:54:10,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2f385d-ccd3-4941-84df-ed1d7043b07d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem14_label51.c [2023-12-03 01:54:13,284 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:54:13,528 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:54:13,529 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2f385d-ccd3-4941-84df-ed1d7043b07d/sv-benchmarks/c/eca-rers2012/Problem14_label51.c [2023-12-03 01:54:13,544 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2f385d-ccd3-4941-84df-ed1d7043b07d/bin/ukojak-verify-Qdu7aM0XO9/data/746e0ac11/00b5f47e38624145b4c2bb4f475a68a7/FLAG3f57997b7 [2023-12-03 01:54:13,558 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2f385d-ccd3-4941-84df-ed1d7043b07d/bin/ukojak-verify-Qdu7aM0XO9/data/746e0ac11/00b5f47e38624145b4c2bb4f475a68a7 [2023-12-03 01:54:13,560 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:54:13,562 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:54:13,563 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:54:13,563 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:54:13,568 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:54:13,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:54:13" (1/1) ... [2023-12-03 01:54:13,570 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cee7726 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:13, skipping insertion in model container [2023-12-03 01:54:13,570 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:54:13" (1/1) ... [2023-12-03 01:54:13,625 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:54:13,804 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_8e2f385d-ccd3-4941-84df-ed1d7043b07d/sv-benchmarks/c/eca-rers2012/Problem14_label51.c[3722,3735] [2023-12-03 01:54:13,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:54:13,985 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:54:14,008 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_8e2f385d-ccd3-4941-84df-ed1d7043b07d/sv-benchmarks/c/eca-rers2012/Problem14_label51.c[3722,3735] [2023-12-03 01:54:14,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:54:14,113 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:54:14,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:14 WrapperNode [2023-12-03 01:54:14,113 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:54:14,114 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:54:14,114 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:54:14,115 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:54:14,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:14" (1/1) ... [2023-12-03 01:54:14,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:14" (1/1) ... [2023-12-03 01:54:14,219 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 859 [2023-12-03 01:54:14,219 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:54:14,220 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:54:14,220 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:54:14,220 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:54:14,228 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:14" (1/1) ... [2023-12-03 01:54:14,229 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:14" (1/1) ... [2023-12-03 01:54:14,235 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:14" (1/1) ... [2023-12-03 01:54:14,235 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:14" (1/1) ... [2023-12-03 01:54:14,267 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:14" (1/1) ... [2023-12-03 01:54:14,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:14" (1/1) ... [2023-12-03 01:54:14,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:14" (1/1) ... [2023-12-03 01:54:14,291 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:14" (1/1) ... [2023-12-03 01:54:14,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:54:14,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:54:14,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:54:14,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:54:14,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:54:14" (1/1) ... [2023-12-03 01:54:14,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:54:14,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2f385d-ccd3-4941-84df-ed1d7043b07d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:54:14,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2f385d-ccd3-4941-84df-ed1d7043b07d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:54:14,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e2f385d-ccd3-4941-84df-ed1d7043b07d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:54:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:54:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:54:14,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:54:14,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:54:14,423 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:54:14,425 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:54:15,554 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:54:19,579 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:54:19,580 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:54:19,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:54:19 BoogieIcfgContainer [2023-12-03 01:54:19,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:54:19,583 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:54:19,583 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:54:19,593 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:54:19,593 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:54:19" (1/1) ... [2023-12-03 01:54:19,603 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:54:19,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:19,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-12-03 01:54:19,657 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-12-03 01:54:19,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 01:54:19,660 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:19,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:19,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:54:19,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:19,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2023-12-03 01:54:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2023-12-03 01:54:19,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 01:54:19,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:19,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:54:42,739 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:54:43,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:54:43,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2023-12-03 01:54:43,042 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2023-12-03 01:54:43,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 01:54:43,042 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:54:43,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:54:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:55:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:55:25,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:55:25,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 26 states and 39 transitions. [2023-12-03 01:55:25,092 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 39 transitions. [2023-12-03 01:55:25,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:55:25,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:55:25,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:55:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:56:45,489 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:56:47,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:56:47,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 36 states and 61 transitions. [2023-12-03 01:56:47,218 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 61 transitions. [2023-12-03 01:56:47,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-03 01:56:47,219 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:56:47,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:56:47,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:58:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 01:58:06,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:58:06,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2023-12-03 01:58:06,818 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2023-12-03 01:58:06,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 01:58:06,819 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:58:06,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:58:07,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:00:31,374 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:00:33,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:00:33,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2023-12-03 02:00:33,162 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2023-12-03 02:00:33,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-03 02:00:33,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:00:33,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:00:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:02:58,216 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:02:58,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:02:58,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 47 states and 85 transitions. [2023-12-03 02:02:58,771 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 85 transitions. [2023-12-03 02:02:58,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:02:58,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:02:58,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:02:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:07:51,901 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:07:55,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:07:55,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 59 states and 112 transitions. [2023-12-03 02:07:55,846 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 112 transitions. [2023-12-03 02:07:55,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 02:07:55,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:07:55,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:07:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat