./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label55.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_28c4a42b-b7e0-4ffb-b34b-9d7098329138/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c4a42b-b7e0-4ffb-b34b-9d7098329138/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_28c4a42b-b7e0-4ffb-b34b-9d7098329138/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c4a42b-b7e0-4ffb-b34b-9d7098329138/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label55.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c4a42b-b7e0-4ffb-b34b-9d7098329138/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_28c4a42b-b7e0-4ffb-b34b-9d7098329138/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 aa468cdeacc2d7780833e7258ebf99c7e35f22152fb9ab283fc568491a2af1a1 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:08:12,020 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:08:12,140 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c4a42b-b7e0-4ffb-b34b-9d7098329138/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:08:12,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:08:12,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:08:12,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:08:12,207 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:08:12,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:08:12,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:08:12,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:08:12,218 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:08:12,218 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:08:12,218 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:08:12,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:08:12,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:08:12,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:08:12,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:08:12,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:08:12,222 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:08:12,222 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:08:12,222 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:08:12,223 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:08:12,223 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:08:12,224 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:08:12,224 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:08:12,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:08:12,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:12,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:08:12,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:08:12,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:08:12,228 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:08:12,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:08:12,228 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:08:12,228 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_28c4a42b-b7e0-4ffb-b34b-9d7098329138/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c4a42b-b7e0-4ffb-b34b-9d7098329138/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa468cdeacc2d7780833e7258ebf99c7e35f22152fb9ab283fc568491a2af1a1 [2023-11-19 03:08:12,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:08:12,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:08:12,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:08:12,588 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:08:12,588 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:08:12,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c4a42b-b7e0-4ffb-b34b-9d7098329138/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem04_label55.c [2023-11-19 03:08:15,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:08:16,213 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:08:16,214 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c4a42b-b7e0-4ffb-b34b-9d7098329138/sv-benchmarks/c/eca-rers2012/Problem04_label55.c [2023-11-19 03:08:16,257 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c4a42b-b7e0-4ffb-b34b-9d7098329138/bin/ukojak-verify-G8NBE6pJGL/data/557393822/c83778e92356407bb39191f949f737cd/FLAG8d371c847 [2023-11-19 03:08:16,274 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c4a42b-b7e0-4ffb-b34b-9d7098329138/bin/ukojak-verify-G8NBE6pJGL/data/557393822/c83778e92356407bb39191f949f737cd [2023-11-19 03:08:16,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:08:16,282 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:08:16,285 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:16,285 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:08:16,290 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:08:16,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:16" (1/1) ... [2023-11-19 03:08:16,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15be02e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:16, skipping insertion in model container [2023-11-19 03:08:16,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:08:16" (1/1) ... [2023-11-19 03:08:16,457 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:08:17,788 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_28c4a42b-b7e0-4ffb-b34b-9d7098329138/sv-benchmarks/c/eca-rers2012/Problem04_label55.c[178827,178840] [2023-11-19 03:08:17,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:17,826 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:08:18,527 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_28c4a42b-b7e0-4ffb-b34b-9d7098329138/sv-benchmarks/c/eca-rers2012/Problem04_label55.c[178827,178840] [2023-11-19 03:08:18,540 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:08:18,596 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:08:18,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:18 WrapperNode [2023-11-19 03:08:18,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:08:18,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:18,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:08:18,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:08:18,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:18" (1/1) ... [2023-11-19 03:08:18,752 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:18" (1/1) ... [2023-11-19 03:08:18,977 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-19 03:08:18,978 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:08:18,979 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:08:18,979 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:08:18,979 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:08:18,988 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:18" (1/1) ... [2023-11-19 03:08:18,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:18" (1/1) ... [2023-11-19 03:08:19,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:18" (1/1) ... [2023-11-19 03:08:19,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:18" (1/1) ... [2023-11-19 03:08:19,242 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:18" (1/1) ... [2023-11-19 03:08:19,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:18" (1/1) ... [2023-11-19 03:08:19,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:18" (1/1) ... [2023-11-19 03:08:19,335 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:18" (1/1) ... [2023-11-19 03:08:19,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:08:19,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:08:19,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:08:19,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:08:19,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:08:18" (1/1) ... [2023-11-19 03:08:19,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:08:19,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c4a42b-b7e0-4ffb-b34b-9d7098329138/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:08:19,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c4a42b-b7e0-4ffb-b34b-9d7098329138/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:08:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:08:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:08:19,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:08:19,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:08:19,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28c4a42b-b7e0-4ffb-b34b-9d7098329138/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:08:19,533 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:08:19,536 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:24,514 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:24,864 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:24,864 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:08:24,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:24 BoogieIcfgContainer [2023-11-19 03:08:24,875 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:24,876 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:24,876 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:24,885 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:24,886 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:24" (1/1) ... [2023-11-19 03:08:24,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:08:24,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:24,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-19 03:08:24,971 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-19 03:08:25,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-19 03:08:25,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:25,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:27,425 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 03:08:32,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:32,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 1516 states and 2376 transitions. [2023-11-19 03:08:32,681 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2376 transitions. [2023-11-19 03:08:32,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-19 03:08:32,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:32,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:34,901 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 03:08:35,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:35,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 1519 states and 2381 transitions. [2023-11-19 03:08:35,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2381 transitions. [2023-11-19 03:08:35,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2023-11-19 03:08:35,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:35,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:35,927 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 03:08:36,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:36,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 1523 states and 2388 transitions. [2023-11-19 03:08:36,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2388 transitions. [2023-11-19 03:08:36,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2023-11-19 03:08:36,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:36,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:36,806 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 03:08:37,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:37,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 1526 states and 2392 transitions. [2023-11-19 03:08:37,006 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 2392 transitions. [2023-11-19 03:08:37,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2023-11-19 03:08:37,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:37,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:37,695 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 03:08:38,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:38,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 1534 states and 2404 transitions. [2023-11-19 03:08:38,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2404 transitions. [2023-11-19 03:08:38,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2023-11-19 03:08:38,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:38,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:38,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:38,897 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 03:08:39,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:39,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 1543 states and 2418 transitions. [2023-11-19 03:08:39,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2418 transitions. [2023-11-19 03:08:39,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2023-11-19 03:08:39,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:39,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:40,477 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 03:08:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 1553 states and 2434 transitions. [2023-11-19 03:08:41,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2434 transitions. [2023-11-19 03:08:41,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2023-11-19 03:08:41,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:41,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:41,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:42,069 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 03:08:43,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:43,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 1564 states and 2452 transitions. [2023-11-19 03:08:43,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2452 transitions. [2023-11-19 03:08:43,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-19 03:08:43,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:43,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:44,281 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 03:08:45,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:45,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 1570 states and 2461 transitions. [2023-11-19 03:08:45,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2461 transitions. [2023-11-19 03:08:45,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-19 03:08:45,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:45,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:45,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:46,251 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 03:08:47,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:47,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 1571 states and 2464 transitions. [2023-11-19 03:08:47,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2464 transitions. [2023-11-19 03:08:47,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 772 [2023-11-19 03:08:47,498 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:47,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:48,269 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 03:08:48,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:48,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 1575 states and 2469 transitions. [2023-11-19 03:08:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2469 transitions. [2023-11-19 03:08:48,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2023-11-19 03:08:48,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:48,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:49,146 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 03:08:49,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:49,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 1588 states and 2486 transitions. [2023-11-19 03:08:49,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2486 transitions. [2023-11-19 03:08:49,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2023-11-19 03:08:49,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:49,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:51,187 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 03:08:51,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:51,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 1591 states and 2490 transitions. [2023-11-19 03:08:51,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2490 transitions. [2023-11-19 03:08:51,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-19 03:08:51,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:51,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:52,163 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 03:08:52,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:52,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 1602 states and 2506 transitions. [2023-11-19 03:08:52,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2506 transitions. [2023-11-19 03:08:53,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2023-11-19 03:08:53,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:53,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:53,524 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 03:08:53,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:53,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 1603 states and 2507 transitions. [2023-11-19 03:08:53,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2507 transitions. [2023-11-19 03:08:53,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2023-11-19 03:08:53,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:53,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:54,573 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 03:08:55,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:55,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 1604 states and 2508 transitions. [2023-11-19 03:08:55,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2508 transitions. [2023-11-19 03:08:55,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2023-11-19 03:08:55,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:55,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:08:56,136 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 03:08:57,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:57,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 1626 states and 2537 transitions. [2023-11-19 03:08:57,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2537 transitions. [2023-11-19 03:08:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-19 03:08:57,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:57,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:08:57,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat