./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label57.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_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/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_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label57.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/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_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/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 38aa25e947c9aeec3b3f3e35d3468f9ff877b07f2e274d39775d21c39593400d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:50,943 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:51,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:07:51,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:51,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:51,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:51,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:51,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:51,071 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:51,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:51,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:51,073 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:51,073 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:51,074 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:51,074 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:51,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:51,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:51,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:51,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:51,082 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:51,086 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:51,088 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:51,088 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:51,089 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:51,089 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:51,090 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:51,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:51,091 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:51,091 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:51,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:51,093 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:51,093 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:51,093 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:51,094 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_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38aa25e947c9aeec3b3f3e35d3468f9ff877b07f2e274d39775d21c39593400d [2023-11-19 03:07:51,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:51,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:51,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:51,406 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:51,406 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:51,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem04_label57.c [2023-11-19 03:07:54,529 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:55,087 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:55,087 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/sv-benchmarks/c/eca-rers2012/Problem04_label57.c [2023-11-19 03:07:55,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/bin/ukojak-verify-G8NBE6pJGL/data/9d0281001/38f41d481b9344ff8ee6386135a7b5c6/FLAG3925b66e6 [2023-11-19 03:07:55,148 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/bin/ukojak-verify-G8NBE6pJGL/data/9d0281001/38f41d481b9344ff8ee6386135a7b5c6 [2023-11-19 03:07:55,153 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:55,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:55,161 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:55,161 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:55,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:55,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:55" (1/1) ... [2023-11-19 03:07:55,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7076362a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:55, skipping insertion in model container [2023-11-19 03:07:55,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:55" (1/1) ... [2023-11-19 03:07:55,329 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:56,790 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_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/sv-benchmarks/c/eca-rers2012/Problem04_label57.c[181554,181567] [2023-11-19 03:07:56,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:56,826 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:57,512 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_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/sv-benchmarks/c/eca-rers2012/Problem04_label57.c[181554,181567] [2023-11-19 03:07:57,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:57,551 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:57,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57 WrapperNode [2023-11-19 03:07:57,553 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:57,554 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:57,554 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:57,554 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:57,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,628 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,796 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-19 03:07:57,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:57,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:57,799 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:57,799 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:57,808 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:57,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:58,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:58,139 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:58,157 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:58,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:58,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:58,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:58,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:58,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:58,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:57" (1/1) ... [2023-11-19 03:07:58,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:58,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:58,231 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:58,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d3e9cbf-5f17-4e91-9256-6a02bfb9f554/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:07:58,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:58,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:58,356 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:58,358 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:03,163 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:03,640 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:03,640 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:08:03,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:03 BoogieIcfgContainer [2023-11-19 03:08:03,656 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:03,657 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:03,658 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:03,667 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:03,668 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:03" (1/1) ... [2023-11-19 03:08:03,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:08:03,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:03,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-19 03:08:03,761 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-19 03:08:03,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-19 03:08:03,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:03,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:04,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:06,122 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 03:08:11,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:11,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 1516 states and 2376 transitions. [2023-11-19 03:08:11,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2376 transitions. [2023-11-19 03:08:11,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-19 03:08:11,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:11,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:11,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:13,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:13,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 1519 states and 2381 transitions. [2023-11-19 03:08:13,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2381 transitions. [2023-11-19 03:08:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2023-11-19 03:08:13,411 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:13,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:14,401 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 03:08:14,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:14,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 1523 states and 2388 transitions. [2023-11-19 03:08:14,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2388 transitions. [2023-11-19 03:08:14,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2023-11-19 03:08:14,645 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:14,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:15,317 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:15,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:15,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 1526 states and 2392 transitions. [2023-11-19 03:08:15,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 2392 transitions. [2023-11-19 03:08:15,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2023-11-19 03:08:15,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:15,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:16,119 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 03:08:16,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:16,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 1534 states and 2404 transitions. [2023-11-19 03:08:16,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2404 transitions. [2023-11-19 03:08:16,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2023-11-19 03:08:16,461 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:16,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:17,300 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:17,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:17,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 1543 states and 2418 transitions. [2023-11-19 03:08:17,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2418 transitions. [2023-11-19 03:08:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2023-11-19 03:08:17,865 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:17,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:18,717 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:19,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:19,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 1553 states and 2434 transitions. [2023-11-19 03:08:19,387 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2434 transitions. [2023-11-19 03:08:19,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2023-11-19 03:08:19,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:19,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:20,140 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:21,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:21,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 1564 states and 2452 transitions. [2023-11-19 03:08:21,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2452 transitions. [2023-11-19 03:08:21,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-19 03:08:21,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:21,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:22,278 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:22,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:22,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 1570 states and 2461 transitions. [2023-11-19 03:08:22,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2461 transitions. [2023-11-19 03:08:23,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-19 03:08:23,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:23,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:23,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:24,123 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:25,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:25,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 1571 states and 2464 transitions. [2023-11-19 03:08:25,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2464 transitions. [2023-11-19 03:08:25,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 772 [2023-11-19 03:08:25,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:25,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:25,710 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:25,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:25,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 1575 states and 2469 transitions. [2023-11-19 03:08:25,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2469 transitions. [2023-11-19 03:08:26,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2023-11-19 03:08:26,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:26,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:26,612 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:27,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:27,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 1588 states and 2486 transitions. [2023-11-19 03:08:27,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2486 transitions. [2023-11-19 03:08:27,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2023-11-19 03:08:27,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:27,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:28,218 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:28,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:28,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 1591 states and 2490 transitions. [2023-11-19 03:08:28,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2490 transitions. [2023-11-19 03:08:28,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-19 03:08:28,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:28,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:29,073 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:29,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 1602 states and 2506 transitions. [2023-11-19 03:08:29,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2506 transitions. [2023-11-19 03:08:29,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2023-11-19 03:08:29,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:29,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:30,150 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:08:30,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:30,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 1603 states and 2507 transitions. [2023-11-19 03:08:30,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2507 transitions. [2023-11-19 03:08:30,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2023-11-19 03:08:30,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:30,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:31,069 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 03:08:31,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:31,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 1604 states and 2508 transitions. [2023-11-19 03:08:31,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2508 transitions. [2023-11-19 03:08:31,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2023-11-19 03:08:31,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:31,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:32,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:32,437 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:33,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:33,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 1626 states and 2537 transitions. [2023-11-19 03:08:33,469 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2537 transitions. [2023-11-19 03:08:33,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-19 03:08:33,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:33,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:33,950 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:08:34,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:34,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 1631 states and 2547 transitions. [2023-11-19 03:08:34,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2547 transitions. [2023-11-19 03:08:34,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-19 03:08:34,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:34,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:34,871 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 03:08:35,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 1636 states and 2554 transitions. [2023-11-19 03:08:35,221 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2554 transitions. [2023-11-19 03:08:35,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2023-11-19 03:08:35,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:35,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:35,662 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:08:36,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:36,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 1646 states and 2567 transitions. [2023-11-19 03:08:36,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2567 transitions. [2023-11-19 03:08:36,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2023-11-19 03:08:36,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:36,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:36,738 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:37,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:37,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 1655 states and 2579 transitions. [2023-11-19 03:08:37,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2579 transitions. [2023-11-19 03:08:37,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 03:08:37,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:37,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:08:38,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:38,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 1659 states and 2593 transitions. [2023-11-19 03:08:38,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2593 transitions. [2023-11-19 03:08:38,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 783 [2023-11-19 03:08:38,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:38,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms