./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.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_3e2daab9-fac3-4e3d-bbef-05758ce0204b/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2daab9-fac3-4e3d-bbef-05758ce0204b/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_3e2daab9-fac3-4e3d-bbef-05758ce0204b/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2daab9-fac3-4e3d-bbef-05758ce0204b/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2daab9-fac3-4e3d-bbef-05758ce0204b/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_3e2daab9-fac3-4e3d-bbef-05758ce0204b/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 ff26d52d3dd6862aaa491849b175f59b72df2f5a860b195ac82ad5bea041e83f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:32,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:32,575 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2daab9-fac3-4e3d-bbef-05758ce0204b/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:56:32,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:32,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:32,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:32,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:32,613 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:32,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:32,615 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:32,616 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:32,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:32,617 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:32,618 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:32,618 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:32,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:32,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:32,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:32,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:32,621 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:32,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:32,623 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:32,623 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:32,624 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:32,624 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:32,625 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:32,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:32,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:32,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:32,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:32,628 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:32,629 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:32,629 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:32,630 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_3e2daab9-fac3-4e3d-bbef-05758ce0204b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2daab9-fac3-4e3d-bbef-05758ce0204b/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff26d52d3dd6862aaa491849b175f59b72df2f5a860b195ac82ad5bea041e83f [2023-11-19 02:56:32,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:32,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:32,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:32,951 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:32,952 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:32,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2daab9-fac3-4e3d-bbef-05758ce0204b/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.c [2023-11-19 02:56:36,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:37,492 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:37,494 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2daab9-fac3-4e3d-bbef-05758ce0204b/sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.c [2023-11-19 02:56:37,556 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2daab9-fac3-4e3d-bbef-05758ce0204b/bin/ukojak-verify-G8NBE6pJGL/data/72415d127/086e8a7da10d426eb8d8c0e19216b47b/FLAG51a7a16a4 [2023-11-19 02:56:37,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2daab9-fac3-4e3d-bbef-05758ce0204b/bin/ukojak-verify-G8NBE6pJGL/data/72415d127/086e8a7da10d426eb8d8c0e19216b47b [2023-11-19 02:56:37,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:37,589 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:37,594 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:37,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:37,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:37,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:37" (1/1) ... [2023-11-19 02:56:37,606 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a9f8ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:37, skipping insertion in model container [2023-11-19 02:56:37,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:37" (1/1) ... [2023-11-19 02:56:37,874 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:41,059 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_3e2daab9-fac3-4e3d-bbef-05758ce0204b/sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.c[382357,382370] [2023-11-19 02:56:41,088 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_3e2daab9-fac3-4e3d-bbef-05758ce0204b/sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.c[383339,383352] [2023-11-19 02:56:41,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:41,310 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:42,859 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_3e2daab9-fac3-4e3d-bbef-05758ce0204b/sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.c[382357,382370] [2023-11-19 02:56:42,867 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_3e2daab9-fac3-4e3d-bbef-05758ce0204b/sv-benchmarks/c/combinations/Problem05_label46+token_ring.02.cil-1.c[383339,383352] [2023-11-19 02:56:42,895 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:42,986 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:42,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:42 WrapperNode [2023-11-19 02:56:42,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:42,990 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:42,991 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:42,991 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:43,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:42" (1/1) ... [2023-11-19 02:56:43,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:42" (1/1) ... [2023-11-19 02:56:43,738 INFO L138 Inliner]: procedures = 48, calls = 47, calls flagged for inlining = 26, calls inlined = 26, statements flattened = 12628 [2023-11-19 02:56:43,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:43,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:43,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:43,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:43,759 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:42" (1/1) ... [2023-11-19 02:56:43,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:42" (1/1) ... [2023-11-19 02:56:43,914 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:42" (1/1) ... [2023-11-19 02:56:43,914 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:42" (1/1) ... [2023-11-19 02:56:44,412 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:42" (1/1) ... [2023-11-19 02:56:44,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:42" (1/1) ... [2023-11-19 02:56:44,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:42" (1/1) ... [2023-11-19 02:56:44,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:42" (1/1) ... [2023-11-19 02:56:44,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:44,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:44,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:44,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:44,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:42" (1/1) ... [2023-11-19 02:56:44,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:44,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2daab9-fac3-4e3d-bbef-05758ce0204b/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:44,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2daab9-fac3-4e3d-bbef-05758ce0204b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:44,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3e2daab9-fac3-4e3d-bbef-05758ce0204b/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-11-19 02:56:44,991 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-11-19 02:56:44,991 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-11-19 02:56:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-11-19 02:56:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-11-19 02:56:44,992 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-11-19 02:56:44,992 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-11-19 02:56:44,993 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-11-19 02:56:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-11-19 02:56:44,993 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-11-19 02:56:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:44,993 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-11-19 02:56:44,994 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-11-19 02:56:44,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:44,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:45,203 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:45,206 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:54,981 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:57,971 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:57,971 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-19 02:56:57,991 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:57 BoogieIcfgContainer [2023-11-19 02:56:57,991 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:57,992 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:57,993 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:58,003 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:58,004 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:57" (1/1) ... [2023-11-19 02:56:58,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:58,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:58,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3388 states to 1724 states and 3388 transitions. [2023-11-19 02:56:58,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1724 states and 3388 transitions. [2023-11-19 02:56:58,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:56:58,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:58,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:58,629 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 02:56:58,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:58,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 1732 states and 3402 transitions. [2023-11-19 02:56:58,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 3402 transitions. [2023-11-19 02:56:58,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:56:58,793 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:58,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:58,954 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 02:56:58,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:58,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 1733 states and 3402 transitions. [2023-11-19 02:56:58,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 3402 transitions. [2023-11-19 02:56:59,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:56:59,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:59,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:59,152 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 02:56:59,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:59,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3409 states to 1734 states and 3402 transitions. [2023-11-19 02:56:59,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1734 states and 3402 transitions. [2023-11-19 02:56:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:56:59,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:59,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:59,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:59,396 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 02:56:59,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:59,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3421 states to 1737 states and 3407 transitions. [2023-11-19 02:56:59,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1737 states and 3407 transitions. [2023-11-19 02:56:59,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-19 02:56:59,613 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:59,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:59,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:59,674 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 02:56:59,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:59,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3437 states to 1745 states and 3421 transitions. [2023-11-19 02:56:59,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 3421 transitions. [2023-11-19 02:56:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:56:59,741 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:59,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:59,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:00,045 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:57:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:01,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 1758 states and 3447 transitions. [2023-11-19 02:57:01,107 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 3447 transitions. [2023-11-19 02:57:01,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-19 02:57:01,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:01,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:01,286 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:57:02,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:02,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 1763 states and 3458 transitions. [2023-11-19 02:57:02,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 3458 transitions. [2023-11-19 02:57:02,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:57:02,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:02,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:02,349 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:57:02,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:02,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3495 states to 1764 states and 3459 transitions. [2023-11-19 02:57:02,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 3459 transitions. [2023-11-19 02:57:02,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 02:57:02,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:02,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:02,527 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 02:57:02,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3481 states to 1758 states and 3446 transitions. [2023-11-19 02:57:02,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1758 states and 3446 transitions. [2023-11-19 02:57:02,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:57:02,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:02,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:02,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:02,917 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:57:05,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3530 states to 1774 states and 3480 transitions. [2023-11-19 02:57:05,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 3480 transitions. [2023-11-19 02:57:05,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-19 02:57:05,253 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:05,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:05,346 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:57:06,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3544 states to 1779 states and 3492 transitions. [2023-11-19 02:57:06,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 3492 transitions. [2023-11-19 02:57:06,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:57:06,239 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:06,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:06,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:57:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 1780 states and 3493 transitions. [2023-11-19 02:57:06,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 3493 transitions. [2023-11-19 02:57:06,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 02:57:06,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:06,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:06,545 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:57:06,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:06,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3529 states to 1774 states and 3479 transitions. [2023-11-19 02:57:06,591 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 3479 transitions. [2023-11-19 02:57:06,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:57:06,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:06,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:07,098 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:57:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:11,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3587 states to 1793 states and 3519 transitions. [2023-11-19 02:57:11,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 3519 transitions. [2023-11-19 02:57:11,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2023-11-19 02:57:11,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:11,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:57:11,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 1797 states and 3530 transitions. [2023-11-19 02:57:11,983 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 3530 transitions. [2023-11-19 02:57:11,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:57:11,984 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:11,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:11,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:12,036 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:57:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:12,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3601 states to 1798 states and 3531 transitions. [2023-11-19 02:57:12,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 3531 transitions. [2023-11-19 02:57:12,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:57:12,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:12,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:12,255 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:57:12,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:12,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 1798 states and 3530 transitions. [2023-11-19 02:57:12,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 3530 transitions. [2023-11-19 02:57:12,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-19 02:57:12,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:12,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:12,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:57:12,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:12,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 1793 states and 3517 transitions. [2023-11-19 02:57:12,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 3517 transitions. [2023-11-19 02:57:12,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:57:12,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:12,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:57:12,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:12,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3588 states to 1795 states and 3521 transitions. [2023-11-19 02:57:12,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1795 states and 3521 transitions. [2023-11-19 02:57:12,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-19 02:57:12,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:12,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:12,954 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:57:13,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:13,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 1802 states and 3533 transitions. [2023-11-19 02:57:13,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 3533 transitions. [2023-11-19 02:57:13,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-19 02:57:13,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:13,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:13,675 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 02:57:15,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:15,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3622 states to 1813 states and 3552 transitions. [2023-11-19 02:57:15,328 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 3552 transitions. [2023-11-19 02:57:15,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:57:15,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:15,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:15,569 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:57:15,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:15,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3626 states to 1815 states and 3556 transitions. [2023-11-19 02:57:15,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 3556 transitions. [2023-11-19 02:57:15,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 02:57:15,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:15,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:15,724 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:57:15,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:57:15,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3629 states to 1817 states and 3559 transitions. [2023-11-19 02:57:15,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 3559 transitions. [2023-11-19 02:57:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 02:57:15,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:57:15,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:57:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:57:16,153 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.