./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem101_label18.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_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/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_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem101_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/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_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/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 bbe47816d21814cecc28edf41bcaee3da0605cb4347844a80c5eaf67e6d04efe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 00:28:45,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 00:28:45,610 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 00:28:45,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 00:28:45,615 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 00:28:45,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 00:28:45,639 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 00:28:45,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 00:28:45,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 00:28:45,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 00:28:45,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 00:28:45,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 00:28:45,643 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 00:28:45,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 00:28:45,644 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 00:28:45,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 00:28:45,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 00:28:45,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 00:28:45,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 00:28:45,646 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 00:28:45,647 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 00:28:45,648 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 00:28:45,648 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 00:28:45,649 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 00:28:45,649 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 00:28:45,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 00:28:45,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:28:45,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 00:28:45,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 00:28:45,651 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 00:28:45,652 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 00:28:45,652 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 00:28:45,653 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 00:28:45,653 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_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbe47816d21814cecc28edf41bcaee3da0605cb4347844a80c5eaf67e6d04efe [2023-12-03 00:28:45,879 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 00:28:45,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 00:28:45,903 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 00:28:45,904 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 00:28:45,905 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 00:28:45,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-programs/Problem101_label18.c [2023-12-03 00:28:48,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 00:28:50,099 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 00:28:50,099 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/sv-benchmarks/c/eca-programs/Problem101_label18.c [2023-12-03 00:28:50,267 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/bin/ukojak-verify-Qdu7aM0XO9/data/2957a38ba/9a944da3920e42de829173bf379078ad/FLAG195236efc [2023-12-03 00:28:50,280 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/bin/ukojak-verify-Qdu7aM0XO9/data/2957a38ba/9a944da3920e42de829173bf379078ad [2023-12-03 00:28:50,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 00:28:50,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 00:28:50,284 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 00:28:50,284 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 00:28:50,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 00:28:50,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:28:50" (1/1) ... [2023-12-03 00:28:50,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f4c3a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:28:50, skipping insertion in model container [2023-12-03 00:28:50,290 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 12:28:50" (1/1) ... [2023-12-03 00:28:51,123 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 00:29:01,850 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_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/sv-benchmarks/c/eca-programs/Problem101_label18.c[2768332,2768345] [2023-12-03 00:29:01,925 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:29:01,932 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 00:29:08,305 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_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/sv-benchmarks/c/eca-programs/Problem101_label18.c[2768332,2768345] [2023-12-03 00:29:08,317 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 00:29:09,094 INFO L206 MainTranslator]: Completed translation [2023-12-03 00:29:09,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:29:09 WrapperNode [2023-12-03 00:29:09,095 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 00:29:09,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 00:29:09,096 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 00:29:09,096 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 00:29:09,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:29:09" (1/1) ... [2023-12-03 00:29:09,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:29:09" (1/1) ... [2023-12-03 00:29:11,126 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83781 [2023-12-03 00:29:11,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 00:29:11,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 00:29:11,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 00:29:11,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 00:29:11,135 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:29:09" (1/1) ... [2023-12-03 00:29:11,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:29:09" (1/1) ... [2023-12-03 00:29:11,494 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:29:09" (1/1) ... [2023-12-03 00:29:11,494 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:29:09" (1/1) ... [2023-12-03 00:29:12,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:29:09" (1/1) ... [2023-12-03 00:29:12,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:29:09" (1/1) ... [2023-12-03 00:29:12,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:29:09" (1/1) ... [2023-12-03 00:29:12,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:29:09" (1/1) ... [2023-12-03 00:29:12,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 00:29:12,911 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 00:29:12,911 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 00:29:12,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 00:29:12,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 12:29:09" (1/1) ... [2023-12-03 00:29:12,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 00:29:12,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 00:29:12,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 00:29:12,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed72a6fe-c66c-45d1-9b95-eb89c8531e23/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 00:29:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 00:29:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 00:29:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 00:29:12,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 00:29:13,078 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 00:29:13,080 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 00:29:53,053 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 00:29:53,959 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 00:29:53,959 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 00:29:53,964 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:29:53 BoogieIcfgContainer [2023-12-03 00:29:53,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 00:29:53,966 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 00:29:53,966 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 00:29:53,973 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 00:29:53,973 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 12:29:53" (1/1) ... [2023-12-03 00:29:53,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 00:29:54,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:29:54,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2023-12-03 00:29:54,176 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2023-12-03 00:29:54,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2023-12-03 00:29:54,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:29:54,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:29:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:30:32,506 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 00:31:13,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:13,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31170 states to 20218 states and 31170 transitions. [2023-12-03 00:31:13,455 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 31170 transitions. [2023-12-03 00:31:14,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2023-12-03 00:31:14,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:14,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:31:38,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:31:40,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:31:40,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31175 states to 20221 states and 31175 transitions. [2023-12-03 00:31:40,135 INFO L276 IsEmpty]: Start isEmpty. Operand 20221 states and 31175 transitions. [2023-12-03 00:31:40,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10093 [2023-12-03 00:31:40,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:31:40,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:31:42,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:04,700 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:32:05,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:05,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31184 states to 20227 states and 31184 transitions. [2023-12-03 00:32:05,947 INFO L276 IsEmpty]: Start isEmpty. Operand 20227 states and 31184 transitions. [2023-12-03 00:32:06,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10102 [2023-12-03 00:32:06,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:06,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:07,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:29,463 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:32:30,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:30,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31197 states to 20239 states and 31197 transitions. [2023-12-03 00:32:30,450 INFO L276 IsEmpty]: Start isEmpty. Operand 20239 states and 31197 transitions. [2023-12-03 00:32:31,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10115 [2023-12-03 00:32:31,092 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:31,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:32:53,389 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:32:54,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:32:54,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31229 states to 20267 states and 31229 transitions. [2023-12-03 00:32:54,464 INFO L276 IsEmpty]: Start isEmpty. Operand 20267 states and 31229 transitions. [2023-12-03 00:32:55,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10117 [2023-12-03 00:32:55,068 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:32:55,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:32:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:17,968 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:33:18,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:18,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31255 states to 20291 states and 31255 transitions. [2023-12-03 00:33:18,872 INFO L276 IsEmpty]: Start isEmpty. Operand 20291 states and 31255 transitions. [2023-12-03 00:33:19,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10118 [2023-12-03 00:33:19,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:19,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:33:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:33:41,918 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:33:42,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:33:42,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31256 states to 20292 states and 31256 transitions. [2023-12-03 00:33:42,761 INFO L276 IsEmpty]: Start isEmpty. Operand 20292 states and 31256 transitions. [2023-12-03 00:33:43,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10119 [2023-12-03 00:33:43,440 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:33:43,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:33:44,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:05,059 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:05,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:05,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31257 states to 20293 states and 31257 transitions. [2023-12-03 00:34:05,866 INFO L276 IsEmpty]: Start isEmpty. Operand 20293 states and 31257 transitions. [2023-12-03 00:34:06,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10123 [2023-12-03 00:34:06,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:06,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:31,348 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:32,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:32,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31298 states to 20329 states and 31298 transitions. [2023-12-03 00:34:32,477 INFO L276 IsEmpty]: Start isEmpty. Operand 20329 states and 31298 transitions. [2023-12-03 00:34:32,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10124 [2023-12-03 00:34:32,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:32,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 00:34:54,968 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 00:34:55,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 00:34:55,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31304 states to 20334 states and 31304 transitions. [2023-12-03 00:34:55,830 INFO L276 IsEmpty]: Start isEmpty. Operand 20334 states and 31304 transitions. [2023-12-03 00:34:56,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10127 [2023-12-03 00:34:56,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 00:34:56,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 00:34:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat